Bragg reflector
Design And Evaluation Of Distributed Bragg Reflector From 1d Photonic Crystal Using Zemax And Teraplot
... of photonic crystals is presented through the design of "omnidirectional reflector ". Quarter wave optical thickness multilayer is well-known idea widely used to design a high reflector and ...
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Optical trapping with "on-demand" two-photon luminescence using Cr:LiSAF laser with optically addressed saturable Bragg reflector
... semiconductor Bragg reflector, permitting dyed microspheres to be continuously trapped and monitored using a standard microscope imaging and on-demand two- photon-excited luminescence ...
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A study of distributed Bragg reflector stacks and quantum wells for 1.55 micron Fabry-Perot modulators
... distributed Bragg reflector stacks, make up the p and n regions, and a bias tuneable absorber is used in the intrinsic region which forms the Fabry-Pérot ...
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Numerical Simulation of an All Optical Flip Flop Based on a Nonlinear Distributed Bragg Reflector Laser Structure
... tributed Bragg Reflector (DBR) semiconductor laser ...2 Bragg reflectors forms the device. One of the Bragg reflectors is detuned from the other by making its average refractive index slightly ...
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Tunneling times of acoustic phonon packets through a distributed Bragg reflector
... In this section, we apply the concepts discussed previ- ously to study a distributed Bragg reflector (DBR) formed by a finite number of periods, N, based on porous sili- con (PSi). The DBR is obtained by ...
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ITO-Free Transparent Organic Solar Cell with Distributed Bragg Reflector for Solar Harvesting Windows
... Here, we present a transparent planar heterojunction organic solar cell containing molecular organic donor and acceptor materials, which have peak-absorption in the ultraviolet (UV) and near- infrared (NIR) A trilayered ...
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Factors influencing brightness and beam quality of conventional and distributed Bragg reflector tapered laser diodes in absence of self heating
... Abstract: In this study, the authors examine some of the factors affecting the brightness and the beam quality of high-power tapered lasers. The large volume resonators required to achieve a high-power, high-brightness ...
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Suppression of residual amplitude modulation appeared in commercial electro-optic modulator to improve iodine-frequency-stabilized laser diode using frequency modulation spectroscopy
... Distributed Bragg reflector; DFB: Distributed feedback; ECLD: External cavity laser diode; EOM: Electro-optic modulator]; FFT: Fast Fourier transform; FG: Function generator; FMS: Frequency modulation ...
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Thermal Effect on Mirror Reflectivity Based on DBR for Optoelectronics Devices
... distributed Bragg reflector (DBR) in terms of the center wavelength shifting and reflectivity ratio is theoretically investigated and experimentally ...
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Design and characterization of widely tunable semiconductor lasers based on etched slots
... DBR and DFB lasers can be tuned by either changing the injected current or changing the tem perature, how ever there is a lim itation to these m ethods due to a limit in how m uch the refractive index can be changed. The ...
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Design and measurement of a broadband sidewall coupler for a W-band gyro-TWA
... the Bragg reflector was chosen to have a balanced performance of the reflectivity and phase spread, as shown in ...the Bragg reflector was also studied by an optimization ...
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Demonstration of an As2S3 Grating Coupler on Thin Film LiNbO3
... Further improvements on top of the basic grating coupler structure in terms of coupling efficiency to a SMF require substantially changing the structure. One way is to introduce a Bragg reflector between ...
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Design And Fabrication Of Thin-Film Optical Filters For Mid-Infrared Spectroscopy Application
... The Fabry-Perot filter was designed for central wavelength of 9.2 µm, with the ability to be tuned at 8.4 µm and 10.1 µm. The dielectric mirros design is based on the Bragg reflector structure which ...
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A pulsed nonclassical light source driven by an integrated electrically triggered quantum dot microlaser
... The sample is based on a planar microcavity structure grown by molecular beam epitaxy on an n-doped (100)-oriented GaAs substrate. The active medium consists of a single layer of self-organized InAs QDs (area density ~ ...
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Multilayer reflectors in animals using green and gold beetles as contrasting examples
... multilayer reflector of ...multilayer reflector to achieve both a diffuse reflection and, consequently, a weak reflectance in each direction ...multilayer reflector and scattering structures of ...
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Stark-Induced Optical Nonlinearity in Gaseous NH₂D and Optical Waves in Layered Media
... lasers.. In order for a double-Bragg waveguide to support a confined mode two Bragg conditions plus a phase resonance condition have to be satis- fied simultaneous[r] ...
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Design And Development Of Compound Parabolic Concentrating Solar Collector With Flat Plate Absorber
... Compound parabolic concentrator is of the non-imaging type concentrating solar collector. CPC consist of two parabolic reflectors at the two ends (left and right) of the absorber plate and hence it is known as compound ...
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The application of seismic reflection surveying to the characterisation of aquifer geometry and related active tectonic deformation, North Canterbury
... Reflectors within the Canterbury Gravel Top of the Teviotdale Gravel reflector Top of the Kowai Gravel Kowai Formation reflector Reflectors within the Mt Brown Formation Fault ·.. f Gene[r] ...
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Slits in parabolic reflector antennas
... Similarly the scattered field from a strip under Dirichlet Boundary Conditions is the negative of the diffracted field through the slit with Neumann Boundary Conditions on the conducting[r] ...
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Design of defected reflector antenna
... defected reflector antenna, research had been made in scope of this project to studying the concept use, their method, do the comparison and select the best one, to be design in this ...
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