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Design of a micro-opto-electro-mechanical-system-based near-infrared hyperspectral imagerEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present the development of an imaging spectrometer for the near infrared (NIR) using a micro-opto-electromechanical system. A diffraction grating has been etched into the surface of a micromechanical scanning mirror made of silicon and is used to scan the object space and to disperse the NIR ... (Source: Applied Optics)
Source: Applied Optics - November 20, 2009 Category: Physics Authors: Thomas EgloffJens KnobbeStefan SinzingerHeinrich Grüger Source Type: journals

Experimental study on the 1550 nm all fiber heterodyne laser range finderEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In this paper, a 1550 nm all fiber monostatic laser range finder system based on linear chirp modulation and heterodyne detection is presented. The fiber end face signal is used as a range starting indicator. The transmitted laser power is 5 mW with a laser pulse length of 131 μs and a linear ... (Source: Applied Optics)
Source: Applied Optics - November 20, 2009 Category: Physics Authors: Fu YangYan HeJianhua ShangWeibiao Chen Source Type: journals

Optimizing the spatial resolution of photonic crystal label-free imagingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A theory is derived to describe the relationship between photonic crystal (PC) label-free imaging resolution and PC resonance spectral linewidth and location. PCs are fabricated and patterned with a resolution standard photomask in order to verify this relationship experimentally. Two distinct ... (Source: Applied Optics)
Source: Applied Optics - November 20, 2009 Category: Physics Authors: Ian D. BlockPatrick C. MathiasSarah I. JonesLila O. VodkinBrian T. Cunningham Source Type: journals

Feasibility study on twisted nematic liquid-crystal cell with two cross-embedded wire-grid polarizers as alignment and electrode for projection displaysEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
For this study, twisted nematic liquid crystals (TN-LCs) are sandwiched between two cross-embedded wire-grid polarizers (WGPs) as alignment and electrodes for projection displays. In the proposed device, the WGPs replace not only the sheet polarizers in a conventional TN-LC cell, but also the front ... (Source: Applied Optics)
Source: Applied Optics - November 20, 2009 Category: Physics Authors: Chin-Yu Chen Yu-Lung Lo Source Type: journals

Control of optical mode properties in cross-slot waveguidesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A cross-slot waveguide geometry provides high confinement of the mode field of both fundamental quasi-TE and quasi-TM modes in geometrically perpendicular slots. A unique possibility to tailor optical mode characteristics such as effective index and confinement factor quite independently for the ... (Source: Applied Optics)
Source: Applied Optics - November 20, 2009 Category: Physics Authors: Amit KhannaAntti SäynätjokiAri TervonenSeppo Honkanen Source Type: journals

Study of reflection gratings recorded in polyvinyl alcohol/acrylamide-based photopolymerEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
High-spatial-frequency fringes associated with reflection holographic optical elements are difficult to obtain with currently available recording materials. In this work, holographic reflection gratings were stored in a polyvinyl alcohol/acrylamide photopolymer. This material is formed of ... (Source: Applied Optics)
Source: Applied Optics - November 19, 2009 Category: Physics Authors: Rosa FuentesElena FernándezCelia GarcíaAugusto BeléndezInmaculada Pascual Source Type: journals

Simultaneous composition and thickness measurement of paper using terahertz time-domain spectroscopyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a noncontact method for quantitative composition and thickness monitoring of flat sheet products using terahertz time-domain spectroscopy. We apply the method to obtain simultaneous measurement of thickness and moisture content of paper sheets. The paper is modeled as an effective medium ... (Source: Applied Optics)
Source: Applied Optics - November 18, 2009 Category: Physics Authors: Payam MousaviFrank HaranDavid JezFadil SantosaJohn Steven Dodge Source Type: journals

Stereoscopic imaging and display for a 3-D mobile phoneEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
There is growing interest in imaging and display of stereoscopic images on a mobile phone. Mobile phone users can capture a stereo image pair by taking two pictures, one after another, with a single camera at the left and right eye positions. Such a handheld setup makes it difficult to take the ... (Source: Applied Optics)
Source: Applied Optics - November 17, 2009 Category: Physics Authors: Min-Chul ParkSang Ju ParkJung-Young Son Source Type: journals

Phase error analysis of incoherent triangular holographyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We derive the phase error of a hologram that is due to the imperfection of a wave plate, the azimuth angle error of a wave plate, and the azimuth angle error of a linear polarizer and analyze the effect of the phase error with a modified triangular interferometer of the three-dimensional image ... (Source: Applied Optics)
Source: Applied Optics - November 17, 2009 Category: Physics Authors: Soo-Gil Kim Jeongduk Ryeom Source Type: journals

Parallel phase-shifting color digital holography using two phase shiftsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We propose parallel phase-shifting color digital holography using two phase shifts. This technique enables the instantaneous acquisition of three-dimensional information of a moving color object. The interference fringe image that contains six holograms with two phase shifts for three wavelengths ... (Source: Applied Optics)
Source: Applied Optics - November 17, 2009 Category: Physics Authors: Takashi KakueTatsuki TaharaKenichi ItoYuki ShimozatoYasuhiro AwatsujiKenzo NishioShogo UraToshihiro KubotaOsamu Matoba Source Type: journals

High-diffraction-efficiency holographic gratings in C_60-doped nematicsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Holographic gratings were recorded in C_60-doped nematic liquid crystals (NLCs) by two-beam coupling. The asymmetric energy transfer dependence on the polarity of the applied voltage and multiple diffractions in two-beam coupling indicated that the gratings were photorefractive and worked in the ... (Source: Applied Optics)
Source: Applied Optics - November 16, 2009 Category: Physics Authors: Yong ZhangFengfeng YaoYanbo PeiXiudong Sun Source Type: journals

Probability density of aperture-averaged irradiance fluctuations for long range free space optical communication linksEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The probability density function (PDF) of aperture-averaged irradiance fluctuations is calculated from wave-optics simulations of a laser after propagating through atmospheric turbulence to investigate the evolution of the distribution as the aperture diameter is increased. The simulation data ... (Source: Applied Optics)
Source: Applied Optics - November 16, 2009 Category: Physics Authors: Stephen D. LykeDavid G. VoelzMichael C. Roggemann Source Type: journals

Application of the surface free energy minimization principle to modify the indentation of a polymer mirror structureEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This paper successfully used inclined exposure technology to fabricate 45° polymer optical grade micromirrors (~1.4 mm thick) while applying the surface free energy minimization principle to improve sidewall indentation. This paper tests the effect of the reflow process on the surface ... (Source: Applied Optics)
Source: Applied Optics - November 16, 2009 Category: Physics Authors: Kuo-Yung Hung Pin-Hsien Wu Source Type: journals

Coherent beam combination of a hexagonal distributed high power fiber amplifier arrayEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We demonstrate the coherent beam combination of a hexagonal distributed high power fiber amplifier array. Six polarization-maintained fiber amplifiers are tiled into a hexagonal array by use of a novel beam combiner. The phase control signal for fiber amplifiers is generated by running a stochastic ... (Source: Applied Optics)
Source: Applied Optics - November 16, 2009 Category: Physics Authors: Pu ZhouYanxing MaXiaolin WangHaotong MaJianhua WangXiaojun XuZejin Liu Source Type: journals

Two-color-absorption sensor for time-resolved measurements of gasoline concentration and temperatureEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A midinfrared absorption sensor for crank-angle-resolved in-cylinder measurements of gasoline concentration and gas temperature for spark-ignition internal-combustion engines is reported, and design considerations and validation testing in the controlled environments of a heated cell and ... (Source: Applied Optics)
Source: Applied Optics - November 13, 2009 Category: Physics Authors: Sung Hyun PyunJason M. PorterJay B. JeffriesRonald K. HansonJuan C. MontoyaMark G. AllenKevin R. Sholes Source Type: journals

Two-channel snapshot Mueller matrix polarimeterEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We describe a new setup for a snapshot Mueller matrix polarimeter (SMMP). It relies on the separation and orthogonal polarization of two light beams by a Wollaston prism located at the setup output. The simultaneous treatment of the two spectra allows an enhancement of accuracy for real-time ... (Source: Applied Optics)
Source: Applied Optics - November 13, 2009 Category: Physics Authors: Matthieu DubreuilSylvain RivetBernard Le JeuneJack Cariou Source Type: journals

Structural and optical properties of wood and wood finishes studied using optical coherence tomography: application to an 18th century Italian violinEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Optical coherence tomography (OCT) is especially attractive for the study of cultural heritage artifacts because it is noninvasive and nondestructive. We have developed an original full-field time-domain OCT system dedicated to the investigation of varnished and painted artifacts: an ... (Source: Applied Optics)
Source: Applied Optics - November 13, 2009 Category: Physics Authors: Gaël LatourJean-Philippe EchardBalthazar SoulierIsabelle EmondStéphane VaiedelichMady Elias Source Type: journals

Subdivision and direction recognition of λ/16 of orthogonal fringes for nanometric measurementEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Subdivision is one of the essential methods to improve the measurement resolution of optical instruments. A new method is proposed to solve λ/16 bidirectional subdivision and direction recognition for orthogonal interference signals by constructing two sets of reference signals and using ... (Source: Applied Optics)
Source: Applied Optics - November 13, 2009 Category: Physics Authors: Haijiang HuXiaoqian QiuJing WangAisong JuYunbo Zhang Source Type: journals

Quantum noise limited tunable single-frequency Nd:YLF/LBO laser at 526.5 nmEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We describe continuous wave single-frequency operation of an intracavity frequency-doubled Nd:YLF ring laser end-pumped by a fiber-coupled laser diode. Output power of 770 mW has been achieved at 526.5 nm. The amplitude noise of the laser reaches the quantum noise limit for frequencies above 5 MHz, ... (Source: Applied Optics)
Source: Applied Optics - November 12, 2009 Category: Physics Authors: Xiaomin GuoXuyang WangYongmin LiKuanshou Zhang Source Type: journals

Chemical corrosion protection of optical components using atomic layer depositionEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Very thin films deposited using atomic layer deposition (ALD) on aluminum mirrors showed extraordinary resistance toward concentrated alkali solutions, various chemical etchants, and solvents. Aluminum mirrors with no surface protection dissolved immediately in 24% aqueous KOH. Mirrors protected ... (Source: Applied Optics)
Source: Applied Optics - November 12, 2009 Category: Physics Authors: Xiaohua DuKevin ZhangKathy HollandThomas TomblerMartin Moskovits Source Type: journals

Miniature high-sensitivity high-temperature fiber sensor with a dispersion compensation fiber-based interferometerEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A miniature high-sensitivity, high-temperature fiber sensor with an interferometer based on a bare small-core-diameter dispersion compensation fiber (DCF) is reported. The sensing head is a single-mode-fiber (SMF) DCF configuration formed by a 4 mm long bare DCF with one end connected to the SMF by ... (Source: Applied Optics)
Source: Applied Optics - November 11, 2009 Category: Physics Authors: Bo DongLi WeiDa-Peng Zhou Source Type: journals

Measurement of buried undercut structures in microfluidic devices by laser fluorescent confocal microscopyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Measuring buried, undercut microstructures is a challenging task in metrology. These structures are usually characterized by measuring their cross sections after physically cutting the samples. This method is destructive and the obtained information is incomplete. The distortion due to cutting also ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Shiguang LiJing LiuNam-Trung NguyenZhong Ping FangSoon Fatt Yoon Source Type: journals

Fabrication and propagation characterization of As_2S_8 chalcogenide channel waveguide made by UV irradiation annealingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Changes in the refractive index of amorphous chalcogenide A_2S_8 films upon ultraviolet (UV) exposure and annealing at different temperatures are investigated in detail, indicating an index contrast of the order of 10^−2 in the A_2S_8 channel waveguide. An As_2S_8 channel waveguide is ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Lin Er ZouBao Xue ChenHe San LinHiromi HamanakaMamoru Iso Source Type: journals

Transmission and fluorescence angular domain optical projection tomography of turbid mediaEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
When imaging through turbid media, objects are often blurred by scattered light. An optical collimator (i.e., an angular filter array) improves images by accepting only photons propagating within a narrow solid angle about the direction of the incident light. These photons are expected to ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Fartash VasefiEldon NgBozena KaminskaGlenn H. ChapmanKevin JordanJeffery J. L. Carson Source Type: journals

Differential modal Zernike wavefront sensor employing a computer-generated hologram: a proposalEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The process of Zernike mode detection with a Shack-Hartmann wavefront sensor is computationally extensive. A holographic modal wavefront sensor has therefore evolved to process the data optically by use of the concept of equal and opposite phase bias. Recently, a multiplexed computer-generated ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Sanjay K. MishraRahul BhattDevendra MohanArun Kumar GuptaAnurag Sharma Source Type: journals

Fast computation method for a Fresnel hologram using three-dimensional affine transformations in real spaceEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Calculating computer-generated holograms takes a tremendous amount of computation time. We propose a fast method for calculating object lights for Fresnel holograms without the use of a Fourier transform. This method generates object lights of variously shaped patches from a basic object light for ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Hironobu Sakata Yuji Sakamoto Source Type: journals

Laser-induced breakdown spectroscopy with laser irradiation resonant with vibrational transitionsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
An investigation of laser-induced breakdown spectroscopy (LIBS) of polymers, both in bulk form and spin coated on Si wafers, with laser irradiation in the mid-infrared spectral region is presented. Of particular interest is whether the LIBS signals are enhanced when the laser wavelength is resonant ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Ani Khachatrian Paul J. Dagdigian Source Type: journals

Particle image identification and correlation analysis in microscopic holographic particle image velocimetryEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This paper discusses the different analysis methods used in holographic particle image velocimetry to measure particle displacement and compares their relative performance. A digital holographic microscope is described and is used to record the light scattered by particles deposited on cover slides ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: S. Andrew Wormald Jeremy Coupland Source Type: journals

Fluorescence tomographic imaging using a handheld-probe-based optical imager: extensive phantom studiesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Handheld-probe-based optical imagers are a popular approach toward breast imaging because of their potential portability and maximum patient comfort. A novel handheld-probe-based optical imager has been developed and its feasibility for three-dimensional fluorescence tomographic imaging ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Jiajia GeSarah J. EricksonAnuradha Godavarty Source Type: journals

Broadened phase-matching bandwidth in waveguide-frequency-doubling devicesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Second harmonic generation in optical planar waveguides is the most promising mechanism for frequency doubling of laser emission since light can be highly confined to the nonlinear waveguide medium. However, this advantage is achievable only by precise phase matching between the fundamental wave ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Rabi Rabady Source Type: journals

Adaptive correction method of inhomogeneous light intensity for digital speckle interferometry by subtractionEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In digital speckle interferometry, subtracted fringe patterns are always influenced by inhomogeneous light that is reflected from the tested object and received by the CCD. In this paper, by analyzing speckle's statistic property, we propose a numerical processing method to correct this nonuniform ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Bin GuDexing YangDongsheng HeShuai GuoZhichun YangZhiqiang Fang Source Type: journals

Computer generated hologram with characteristics of reflection: reflectance distributions and reflected imagesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This paper proposes a new computer generated hologram (CGH) method that considers the reflectance distribution on object surfaces and reflected images. The reflectance distributions are generated from phase differences determined by the shape of the object surface, which is constructed by using the ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Kazuhiro Yamaguchi Yuji Sakamoto Source Type: journals

Focusing surface waves with an inhomogeneous metamaterial lensEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We propose a new type of surface wave lens that is made of a circular in-plane inhomogeneous metamaterial slab and numerically demonstrate its capability to focus surface waves at optical frequencies. This approach can achieve a smaller focal spot size than the previously demonstrated Ag plasmonic ... (Source: Applied Optics)
Source: Applied Optics - November 10, 2009 Category: Physics Authors: Marco A. EscobarMatthieu BerthoméChangbao MaZhaowei Liu Source Type: journals

Measured turbulent mixing in a small-scale circuit breaker modelEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The performance of high voltage gas circuit breakers depends on the temperature distribution of hot gas or plasma from the arc zone mixed with cold gas that is present, for example, in the exhausts and mixing volume. Understanding the details of the mixing process is imperative to estimate the ... (Source: Applied Optics)
Source: Applied Optics - November 7, 2009 Category: Physics Authors: N. P. T. BasseR. BiniM. Seeger Source Type: journals

Regular effective hologram regions for computer generated holographyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
An effective hologram region (EHR) based approach is presented to speed up the computation of computer generated holograms (CGHs). The object space is predivided into subspaces, and an EHR for each subspace is predefined according to the maximum spatial frequency of interference fringes, light ... (Source: Applied Optics)
Source: Applied Optics - November 7, 2009 Category: Physics Authors: Shuhong XuFarzam FarbizSanjeev SolankiXinan LiangYuechao PanXuewu Xu Source Type: journals

Suppression of the zero-order term in off-axis digital holography through nonlinear filteringEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present experimental validation of a new reconstruction method for off-axis digital holographic microscopy (DHM). This method effectively suppresses the object autocorrelation, namely, the zero-order term, from holographic data, thereby improving the reconstruction bandwidth of complex ... (Source: Applied Optics)
Source: Applied Optics - November 7, 2009 Category: Physics Authors: Nicolas PavillonChandra Sekhar SeelamantulaJonas KühnMichael UnserChristian Depeursinge Source Type: journals

Active hexagonally segmented mirror to investigate new optical phasing technologies for segmented telescopesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The primary mirror of the future European Extremely Large Telescope will be equipped with 984 hexagonal segments. The alignment of the segments in piston, tip, and tilt within a few nanometers requires an optical phasing sensor. A test bench has been designed to study four different optical phasing ... (Source: Applied Optics)
Source: Applied Optics - November 6, 2009 Category: Physics Authors: Frédéric GontéChristophe DupuyBruno LuongChristoph FrankRolBrastBaback Sedghi Source Type: journals

Comparative study on the intracavity frequency-doubling 532 nm laser based on gray-tracking-resistant KTP and conventional KTPEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A comparative study of a frequency-doubling 532 nm laser based on gray-tracking-resistant KTP (GTR-KTP) and conventional KTP is presented. The intracavity GTR-KTP was proved to have better temperature characteristics than that of conventional KTP. Within the normalized output power variation range ... (Source: Applied Optics)
Source: Applied Optics - November 6, 2009 Category: Physics Authors: H.-T. HuangG. QiuB.-T. ZhangJ.-L. HeJ.-F. YangJ.-L. Xu Source Type: journals

Real-time polarization-sensitive optical coherence tomography data processing with parallel computingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
With the increase of the A-line speed of optical coherence tomography (OCT) systems, real-time processing of acquired data has become a bottleneck. The shared-memory parallel computing technique is used to process OCT data in real time. The real-time processing power of a quad-core personal ... (Source: Applied Optics)
Source: Applied Optics - November 6, 2009 Category: Physics Authors: Gangjun LiuJun ZhangLingfeng YuTuqiang XieZhongping Chen Source Type: journals

Hybrid robust and fast algorithm for three-dimensional phase unwrappingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a hybrid three-dimensional (3D) unwrapping algorithm that combines the strengths of two other fast and robust existing techniques. In particular, a branch-cut surface algorithm and a path-following method have been integrated in a symbiotic way, still keeping execution times within a ... (Source: Applied Optics)
Source: Applied Optics - November 6, 2009 Category: Physics Authors: Miguel Arevalillo-HerráezMunther A. GdeisatDavid R. Burton Source Type: journals

Systematic errors analysis for a large dynamic range aberrometer based on aberration theoryEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In Ref. 1, it was demonstrated that the significant systematic errors of a type of large dynamic range aberrometer are strongly related to the power error (defocus) in the input wavefront. In this paper, a generalized theoretical analysis based on vector aberration theory is presented, and local ... (Source: Applied Optics)
Source: Applied Optics - November 5, 2009 Category: Physics Authors: Peng WuSheng LiuEdward DeHoogJim Schwiegerling Source Type: journals

Determination of cell elasticity through hybrid ray optics and continuum mechanics modeling of cell deformation in the optical stretcherEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The optical stretcher is a dual-beam trap capable of stretching individual cells. Previous studies have used either ray- or wave-optical models to compute the optical pressure on the surface of a spherical cell. We have extended the ray-optics model to account for focusing by the spherical ... (Source: Applied Optics)
Source: Applied Optics - November 5, 2009 Category: Physics Authors: Andrew E. EkpenyongCarolyn L. PoseyJoy L. ChaputAnya K. BurkartMeg M. MarquardtTimothy J. SmithMichael G. Nichols Source Type: journals

Comparison of line-peak and line-scanning excitation in two-color laser-induced-fluorescence thermometry of OHEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Two-line laser-induced-fluorescence (LIF) thermometry is commonly employed to generate instantaneous planar maps of temperature in unsteady flames. The use of line scanning to extract the ratio of integrated intensities is less common because it precludes instantaneous measurements. Recent advances ... (Source: Applied Optics)
Source: Applied Optics - November 5, 2009 Category: Physics Authors: Stanislav KostkaSukesh RoyPatrick J. LakustaTerrence R. MeyerMichael W. RenfroJames R. GordRichard Branam Source Type: journals

Optimal dark hole generation via two deformable mirrors with stroke minimizationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The past decade has seen a significant growth in research targeted at space-based observatories for imaging exosolar planets. The challenge is in designing an imaging system for high contrast. Even with a perfect coronagraph that modifies the point spread function to achieve high contrast, ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Laurent PueyoJason KayN. Jeremy KasdinTyler GroffMichael McElwainAmir Give'onRuslan Belikov Source Type: journals

Edge enhancement for in-phase focal modulation microscopeEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In-phase focal modulation microscopy (IPFMM) with single photon excited fluorescence is presented. Optical transfer functions and images of thin and thick fluorescent edges in IPFMM are investigated. The results show that, compared with confocal microscopy, using IPFMM can result in a sharper image ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Ke SiWei GongNanguang ChenColin J.R. Sheppard Source Type: journals

Algorithm for the identification of malfunctioning sensors in the control systems of segmented mirror telescopesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The active control systems of segmented mirror telescopes are vulnerable to a malfunction of a few (or even one) of their segment edge sensors, the effects of which can propagate through the entire system and seriously compromise the overall telescope image quality. Since there are thousands of ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Gary Chanan Jerry Nelson Source Type: journals

Automatic null ellipsometry with an interferometerEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A new approach to automatic null ellipsometry is described in which the analyzer of a traditional polarizer compensator sample analyzer (PCSA) null ellipsometer is replaced with a heterodyne Michelson interferometer. One arm of this interferometer is modified such that it produces a fixed, linearly ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Lionel R. Watkins Source Type: journals

Propagation-based phase-contrast enhancement of nanostructure images using a debris-free femtosecond-laser-driven cluster-based plasma soft x-ray source and an LiF crystal detectorEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We demonstrate in-line phase-contrast imaging of nanothickness foils by using a relatively large, polychromatic, debris-free femtosecond-laser-driven cluster-based plasma soft x-ray source, and a high-resolution, large dynamic range LiF crystal detector. The spatial coherence length of radiation in ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Tatiana A. PikuzAnatoly Ya. FaenovSergei V. GasilovIgor Yu. SkobelevYuji FukudaMasaki KandoHideyuki KotakiTakayuki HommaKeigo KawaseYukio HayashiTetsuya KawachiHiroyuki DaidoYoshiaki KatoSergei V. Bulanov Source Type: journals

Optical current sensor immune to reflection phase shift based on graded-index magneto-optical glassEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We propose a new design of bulk glass optical current sensor immune to reflection phase shift, in which an annular graded-index magneto-optical glass with a small prism is used as a sensing head, and the inner and outer layers of the glass possess gradient refractive indices, while the center layer ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Meirong WangJianlin ZhaoSheng LiuFei LiuXun WanPeng Zhang Source Type: journals

Elimination of image discontinuity in integral floating display by using adaptive image mappingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We propose an adaptive image mapping method that removes image discontinuity, which is the main degradation factor of image quality in an integral floating display. The proposed method is based on a newly modified image mapping algorithm that removes image discontinuity for an observer at a ... (Source: Applied Optics)
Source: Applied Optics - November 4, 2009 Category: Physics Authors: Joohwan KimGilbae ParkYounghoon KimSung-Wook MinByoungho Lee Source Type: journals