Academic literature on the topic 'Grating Design'

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Journal articles on the topic "Grating Design"

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Zhang, Guo Sheng, and Yan Xu. "Optimization Design of Cylinder Grating Used for Non-Contact Speed Measurement." Applied Mechanics and Materials 312 (February 2013): 95–100. http://dx.doi.org/10.4028/www.scientific.net/amm.312.95.

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In order to realize the detection of diffractive light after the image segmentation using cylinder grating, the parameters of a cylinder grating was optimized using the wave optics theory. By analyzing the relation of optical path length variation with the diffraction angle of single cylinder lens diffraction, and by Fraunhofer approximation, the analytical expressions of cylinder lens diffraction was given. By setting parameters to calculate and simulate, it was found that to increase the ratio of curvature radius and grating period could effectively reduce the spatial distribution of the dif
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Kim, Woo Jae, Yuki Shimizu, Koji Hosono, So Ito, and Wei Gao. "Design and Test of a Three-Axis Mosaic Surface Encoder." Key Engineering Materials 523-524 (November 2012): 919–24. http://dx.doi.org/10.4028/www.scientific.net/kem.523-524.919.

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A three-axis mosaic surface encoder, which can measure the X-directional position and the Y-, Z-directional straightness of the linear stage in a long range, is proposed. The three-axis mosaic surface encoder is composed of multiple scanning probes and a mosaic scale grating. The mosaic scale grating is constructed by placing the multiple two-dimensional reflective-type scale gratings in a line to obtain long measurement range along the in-plane direction of a scale grating. In addition, the optical configuration of the encoder head, which employs multiple scanning probes to be projected on th
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Babu, Sachin, and Jeong-Bong Lee. "Axially-Anisotropic Hierarchical Grating 2D Guided-Mode Resonance Strain-Sensor." Sensors 19, no. 23 (2019): 5223. http://dx.doi.org/10.3390/s19235223.

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Guided-mode resonance strain sensors are planar binary gratings that have fixed resonance positions and quality factors decided by material properties and grating parameters. If one is restricted by material choices, the quality factor can only be improved by adjusting the grating parameters. We report a new method to improve quality factor by applying a slotting design rule to a grating design. We investigate this design rule by first providing a theoretical analysis on how it works and then applying it to a previously studied 2D solid-disc guided-mode resonance grating strain sensor design t
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Li, Xing Hui, Yuki Shimizu, Hiroshi Muto, So Ito, and Wei Gao. "Design of a Three-Axis Surface Encoder with a Blue-Ray Laser Diode." Key Engineering Materials 523-524 (November 2012): 913–18. http://dx.doi.org/10.4028/www.scientific.net/kem.523-524.913.

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A compact optical three-axis surface encoder, which can detect displacements in the XYZ-directions simultaneously by employing a scale grating with a short pitch (0.57 μm) and a single laser beam with a short wavelength (405 nm), is described in this paper. This surface encoder mainly consists of a blue-ray laser diode, a pair of two-dimensional diffractive gratings serving as scale grating and reference grating, respectively, and two quarter photodiodes (QPD) utilized for detecting output optical density. The displacements of the scale grating along X-, Y- and Z-directions are measured by ana
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Zhai, Tianrui, Liang Han, Xiaojie Ma, and Xiaolei Wang. "Low-Threshold Microlasers Based on Holographic Dual-Gratings." Nanomaterials 11, no. 6 (2021): 1530. http://dx.doi.org/10.3390/nano11061530.

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Among the efforts to improve the performances of microlasers, optimization of the gain properties and cavity parameters of these lasers has attracted significant attention recently. Distributed feedback lasers, as one of the most promising candidate technologies for electrically pumped microlasers, can be combined with dual-gratings. This combination provides additional freedom for the design of the laser cavity. Here, a holographic dual-grating is designed to improve the distributed feedback laser performance. The holographic dual-grating laser consists of a colloidal quantum dot film with tw
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Wang, Bowen, Yi Zhou, Zhihe Guo, and Xiang Wu. "Design for Distributed Feedback Laser Biosensors Based on the Active Grating Model." Sensors 19, no. 11 (2019): 2569. http://dx.doi.org/10.3390/s19112569.

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The distributed feedback (DFB) laser is widely used in sensing because of its portable size, simple fabrication and high sensitivity. Most theoretical design models are based on passive Bragg gratings. However, passive grating models cannot be used to predict sensor performance using the important indicator of figure of merit (FOM) through theoretical calculations. To solve this problem, we replaced the passive grating with an active grating by using the imaginary part of the coupling constant that represents the value of the gain. As a comparison, the influence of the full width at half maxim
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Nambiar, Siddharth, Purnima Sethi, and Shankar Selvaraja. "Grating-Assisted Fiber to Chip Coupling for SOI Photonic Circuits." Applied Sciences 8, no. 7 (2018): 1142. http://dx.doi.org/10.3390/app8071142.

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Fiber to chip coupling is a critical aspect of any integrated photonic circuit. In terms of ease of fabrication as well as wafer-scale testability, surface grating couplers are by far the most preferred scheme of the coupling to integrated circuits. In the past decade, considerable effort has been made for designing efficient grating couplers on Silicon-on-Insulator (SOI) and other allied photonic platforms. Highly efficient grating couplers with sub-dB coupling performance have now been demonstrated. In this article, we review the recent advances made to develop grating coupler designs for a
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Yu, W., D. Wu, X. Duan, and Y. Yi. "Subwavelength grating wideband reflectors with tapered sidewall profile." MRS Advances 1, no. 23 (2015): 1683–91. http://dx.doi.org/10.1557/adv.2015.18.

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AbstractOne main difference between practical device and ideal design for subwavelength grating structure is the tapered sidewall profile of grating, which is normally obtained by the practical CMOS-compatible fabrication and etching process. Our work has investigated the impacts of tapered sidewall profile on the subwavelength grating wideband reflector characteristics. Both zero-contrast gratings (ZCG) and high- contrast gratings (HCG) are numerically investigated in detail and the results show a distinct differences of the impacts of tapered sidewall profile of grating. The simulation resul
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Millett, Ronald, Jamie Ramsey, Przemek Bock, et al. "Synthesis of Planar Reflective Gratings for Silicon Interconnects." Advances in Optical Technologies 2008 (May 21, 2008): 1–8. http://dx.doi.org/10.1155/2008/315724.

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The design and simulations of planar reflective gratings for building optical interconnects in silicon-on-insulator (SOI) were studied for a range of silicon core thicknesses of 0.1 to 10 μm. The verticality of the grating facets has been shown to be the main contributing factor to the cumulative crosstalk in thick silicon cores. The dispersion property of the slab was found to limit the minimal thickness of the core for polarization-insensitive gratings. The effects of polarization-dependent confinement on optical crosstalk were studied. The findings were used to design and simulate a polariz
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Wen, Han, Andrew A. Gomella, Ajay Patel, et al. "Boosting phase contrast with a grating Bonse–Hart interferometer of 200 nanometre grating period." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 372, no. 2010 (2014): 20130028. http://dx.doi.org/10.1098/rsta.2013.0028.

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We report on a grating Bonse–Hart interferometer for phase-contrast imaging with hard X-rays. The method overcomes limitations in the level of sensitivity that can be achieved with the well-known Talbot grating interferometer, and without the stringent spectral filtering at any given incident angle imposed by the classic Bonse–Hart interferometer. The device operates in the far-field regime, where an incident beam is split by a diffraction grating into two widely separated beams, which are redirected by a second diffraction grating to merge at a third grating, where they coherently interfere.
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Dissertations / Theses on the topic "Grating Design"

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Li, Lifeng. "Application of diffraction grating theory to analysis and fabrication of waveguide gratings." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184388.

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This dissertation includes three separate studies of related waveguide grating phenomena. These studies deal with a numerical improvement of the integral method of diffraction grating theory, the theoretical analysis of waveguide gratings, and fabrication techniques for photoresist grating masks. The first topic addresses the acceleration of the convergence of the integral kernels. To improve the performance of the integral method for calculating diffraction grating efficiencies, the convergence of the integral kernels is studied. A nonlinear sequence transformation, Levin's u-transformation,
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Gibson, Steven Ross. "KiwiSpec: The Design and Performance of a High Resolution Echelle Spectrograph for Astronomy." Thesis, University of Canterbury. Physics and Astronomy, 2013. http://hdl.handle.net/10092/8811.

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This document describes the design, analysis, construction and testing of KiwiSpec, a fibre-fed, high resolution astronomical spectrograph of an asymmetric white pupil design. The instrument employs an R4, 31.6 groove mm⁻¹ échelle grating for primary dispersion and a 725 lines mm⁻¹ volume phase holographic (VPH) based grism for cross-dispersion. Two versions of the prototype were designed and constructed: an 'in-air' prototype, and a prototype featuring a vacuum chamber (to increase the stability of the instrument). The KiwiSpec optical design is introduced, as well as a description of the the
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Harper, Kevin Randolph. "Theory, Design, and Fabrication of Diffractive Grating Coupler for Slab Waveguide." Diss., CLICK HERE for online access, 2003. http://contentdm.lib.byu.edu/ETD/image/etd281.pdf.

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Major, Huw E. "QPM grating design for novel PPLN structures." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/301306/.

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This thesis describes a series of theoretical and experimental studies into modifying the phasematching characteristics of nonlinear parametric interactions, specifically second harmonic generation, using quasi-phase-matched structures. The use of quasi-phase-matching by periodic poling affords a flexibility in designing tailored phase-matching characteristics not offered by alternative techniques. In this work phase matching characteristics are modified to provide enhanced acceptance bandwidths, compensation for focusing effects and high power operation. The first result of this work describe
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Wang, Yun. "Grating coupler design based on silicon-on-insulator." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44344.

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Silicon-on-insulator has become a promising platform for high-density integrated photonics circuits. The large refractive index contrast between the functional silicon layer and its cladding raises a coupling issue between an optical fibre and on-chip devices. Grating coupler provides a compact and efficient way to tackle the coupling issue between the optical fibre and silicon waveguide. In this thesis, a universal design methodology, which accommodates various etch depths, silicon thicknesses, and cladding materials has been demonstrated and verified by both FDTD simulation and measurement r
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Low, Andy Lock Yen. "Analysis and design of grating-embedded optical filters." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289441.

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Ibsen, Morten. "Advanced fibre Bragg grating structures : design and application." Thesis, University of Southampton, 2004. https://eprints.soton.ac.uk/46110/.

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This thesis presents experimental and computational work on a variety of advanced fibre Bragg grating structures covering long dispersion compensating chirped Bragg gratings, superstructured Bragg gratings for identical multiple channel operation, Bragg gratings for pulse-shaping applications and Bragg gratings for add-drop applications in high bit-rate systems. Development of the fabrication-technique developed and analysed as a part of this work has led to a number of experimentai 'firsts', including the meter-long Bragg gratings with dispersion-characteristics designed to compensate simulta
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Song, Jun. "Electromagnetic simulation and design of etched diffraction grating demultiplexers." Doctoral thesis, KTH, Elektroteknisk teori och konstruktion, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4791.

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Among various planar lightwave circuits for multiplexing/demultiplexing in an optical communication system, etched diffraction gratings (EDGs) have shown great potential due to their compactness and high spectral finesse. Conventional numerical methods for grating simulation cannot be used to simulate an EDG demultiplexer of large size (in terms of the wavelength). In the present thesis, the polarization-dependent characteristics of an EDG demultiplexer are analyzed with a boundary element method (BEM) for both an echelle grating coated with a metal and a dielectric grating with total internal
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Lang, Ryan N. (Ryan Nathan). "Design of a high index contrast arrayed waveguide grating." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/32314.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science; and, (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2003.<br>S.B. and S.M. theses issued separately.<br>Includes bibliographical references (p. 115-119).<br>Arrayed waveguide gratings (AWGs) are useful structures for the implementation of wavelength division multiplexing. The AWG consists of an input splitter, a dispersive waveguide array which creates the wavelength demultiplexing and multiplexing effects, and an output coupler. Because the dispersive waveguide arra
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Calonico-Soto, Alicia. "Influence of optical crosstalk on WDM all-optical network design." Thesis, University of Essex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327077.

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Books on the topic "Grating Design"

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Low, Andy Lock Yen. Analysis and design of grating-embedded optical filters. University of Birmingham, 2002.

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Irwin, Mary. On the design of grating acuity tests for infants. University of Birmingham, 1997.

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Hassett, James E. Design and construction of a medium resolving, power scanning, grating spectrometer. Naval Postgraduate School, 1999.

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Gratings, mirrors, and slits: Beamline design for soft X-ray synchrotron radiation sources. Gordon and Breach Science Publishers, 1997.

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Crea y diseña tu página web ¡GRATIS! Ediciones Anaya Multimedia-Anaya Interactiva, 2013.

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1956-, Popov Evgeny, ed. Light propagation in periodic media: Differential theory and design. Marcel Dekker, 2003.

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Kress, Bernard C. Field guide to digital micro-optics. SPIE Press, 2014.

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Victor, Kotlyar, and Doskolovich Leonid, eds. Iterative methods for diffractive optical elements computation. Taylor & Francis, 1997.

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Falconer, Beate Stephan. Grating-tuned external cavity diode lasers. 1994.

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Falconer, Beate Stephan. Grating-tuned external cavity diode lasers. 1994.

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Book chapters on the topic "Grating Design"

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Bao, Gang, and Kai Huang. "Optimal Design of Waveguide-Grating Resonances." In Mathematical and Numerical Aspects of Wave Propagation WAVES 2003. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55856-6_135.

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Denturck, B., and P. E. Lagasse. "Design of an Integrated Optic Grating Demultiplexer." In Springer Series in Optical Sciences. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-540-39452-5_42.

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Liu, Quan, Jian Hong Wu, Ling Ling Fang, and Chao Ming Li. "Fabrication of Phase Mask for Optical Fiber Grating." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.719.

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Yaremchuk, I., V. Fitio, Š. Meškinis, S. Tamulevičius, and Ya Bobitski. "Design of Thin Film Nanocomposite Grating Based Sensors." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-0850-8_72.

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Kulkarni, Madhuri R., B. R. Manoj Kumar, Mayur Mohan Malghan, G. Mohamedarif, and Rajini V. Honnungar. "Planar Waveguide Bragg Grating Pressure Sensor—Design and Applications." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3477-5_8.

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Wang, Benju, and Lichun Pu. "Design and Fabrication of Nonlinear Grating by Holographic Technology." In Communications in Computer and Information Science. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-27452-7_83.

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Gambhir, Monika. "Long Period Fiber Grating Sensors Design Optimization Using Jaya Algorithm." In Communications in Computer and Information Science. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7219-7_4.

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Chen, Yu Rong, Xu Dong Yang, and Tie Bang Xie. "A Non-Contact Displacement Sensor with Diffraction Grating Metrology System for Profile Measurement." In Optics Design and Precision Manufacturing Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-458-8.74.

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Woesner, Hagen. "PrimeNet — A concept to apply Arrayed Waveguide Grating Multiplexers in a WDM-based fiber backbone." In Optical Network Design and Modelling. Springer US, 1998. http://dx.doi.org/10.1007/978-0-387-35361-6_8.

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Gupta, M. V. N. Surendra, E. Ameen, Ananthanarayanan Veeraragavan, and Bala Pesala. "Design and Fabrication of Grating-Based Filters for Micro-thermophotovoltaic Systems." In Proceedings of the 7th International Conference on Advances in Energy Research. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5955-6_106.

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Conference papers on the topic "Grating Design"

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Günther, Hans Moritz, and Ralf K. Heilmann. "Lynx grating spectrometer design: optimizing chirped transmission gratings." In Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, edited by Jan-Willem A. den Herder, Kazuhiro Nakazawa, and Shouleh Nikzad. SPIE, 2020. http://dx.doi.org/10.1117/12.2562878.

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Moran-Iglesias, C. J., A. Last, and J. Mohr. "Improved grating microspectrometer." In Optical Systems Design 2005, edited by Laurent Mazuray and Rolf Wartmann. SPIE, 2005. http://dx.doi.org/10.1117/12.625169.

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Chen, Y. B., and Z. M. Zhang. "Design of Wavelength-Selective Surfaces for Mid-Infrared Detectors Using Heavily Doped Silicon Complex Gratings." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52005.

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The feasibility of using complex gratings for mid-infrared wavelength-selective absorbers is investigated. Nano/microscale surface features are employed for tailoring thermal radiative properties, which are much different from those of plain surfaces. High absorptance from heavily doped ( &gt; 1×1020 cm−3) silicon for the transverse magnetic wave incidence can be achieved with one-dimensional periodic gratings by exciting surface plasmon polaritons. For simple binary gratings, the associated absorptance peak is narrowband and directional sensitive. These drawbacks can be remedied by using comp
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Wang, Yun, Jonas Flueckiger, Charlie Lin, and Lukas Chrostowski. "Universal grating coupler design." In Photonics North 2013, edited by Pavel Cheben, Jens Schmid, Caroline Boudoux, et al. SPIE, 2013. http://dx.doi.org/10.1117/12.2042185.

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Ratzsch, Stephan, Ernst-Bernhard Kley, Andreas Tünnermann, and Adriana Szeghalmi. "High-efficiency embedded transmission grating." In SPIE Optical Systems Design, edited by Michel Lequime, H. Angus Macleod, and Detlev Ristau. SPIE, 2015. http://dx.doi.org/10.1117/12.2191223.

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Brioude, Valerie, Rachida Saoudi, Daniele Blanc, et al. "Resonant grating biosensor platform design and fabrication." In Optical Systems Design, edited by Roland Geyl, David Rimmer, and Lingli Wang. SPIE, 2004. http://dx.doi.org/10.1117/12.513695.

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Karhade, Omkar, Levent Degertekin, and Thomas Kurfess. "Design, Dynamics and Active Control of Micro Interferometers for Low Noise Parallel Operation." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-69238.

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Micromachined Scanning Grating Interferometer (μSGI) array offers a viable solution to the high resolution, large bandwidth, non-contact and high throughput metrology. Parallel active control of μSGIs is necessary to reduce the effect of positioning errors and ambient vibration noise. To achieve individual control of the μSGIs, the gratings in the μSGI are micromachined on Silicon membranes, which can be electrostatically actuated. These tunable gratings are designed to have sufficient range of motion (∼400nm) and sufficient bandwidth (∼50kHz) for effective noise reduction. The tunable grating
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Ahmed, Marwan A., Jean Claude Pommier, Florent Pigeon, and Olivier M. Parriaux. "Flux resistance degradation in resonant grating multilayer mirror." In Optical Systems Design, edited by Claude Amra, Norbert Kaiser, and H. Angus Macleod. SPIE, 2004. http://dx.doi.org/10.1117/12.513692.

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Hajimirza, Shima, Alex Heltzel, and John Howell. "Broadband Absorption Enhancement in Thin Film Solar Cells Using Inverse Optimization of Light Trapping Mechanisms." In ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/mnhmt2012-75065.

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In this paper, global optimization techniques are used to design broadband solar absorption enhancement in thin film amorphous silicon (a-Si) solar cells, using periodic nanostructures on the top and bottom surfaces of the cell. Considering a combination of silver rectangular gratings and indium tin oxide (ITO) coatings on both surfaces of the a-Si, numerical optimization techniques such as Simulated Annealing and a local constrained Quasi-Newton algorithm are used to optimize the surface texture patterns. Numerical results indicate that, unlike the case of metallic gratings on the front surfa
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Fan, Shuwei, Liang Bai, and Qinghua Zhou. "The optimization design of broadband mid-IR grating." In SPIE Optical Systems Design. SPIE, 2011. http://dx.doi.org/10.1117/12.896269.

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Reports on the topic "Grating Design"

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Galbraith, J. Design of a Large Diffraction Grating Optical Assembly. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1182706.

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Bolton, Paul. Optical Design Considerations Relevant to Reflective UV Launch Gratings for Photocathode Irradiation. Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/1000321.

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