An Investigation for the Development of an Integrated Optical Data PreprocesssorNational Aeronautics and Space Administration, Scientific and Technical Information Office, 1979 - Optical data processing - 145 pages |
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alignment aluminum beam splitter Bragg angle channel waveguides coherence length components cross talk crystal data input electrodes detector device diffraction diffraction efficiency diffusion edge electrode structure electrooptic etchant etching fabrication Figure film formed fringes function gauge blocks geodesic geodesic lens geometry grating beam splitter hologram formation hologram region holographic subtraction identification mode integrated optical data laser Li-effused light LiNbO3 slabs LiNbO3 waveguides mask material metal noise optical data preprocessor optical interference pattern outdiffused output parameters phase shift photorefractive effect photorefractive process photoresist Phys PIN diode planar waveguide plane wave polishing preprocessor processor ratio reference beam reference set refractive index resist result retrapped sample SCHEMATIC self-subtraction mode sensitivity Sensor Ch shifter shown in Fig signal beam Signal Channel signal-to-noise space charge substrate techniques three-channel laboratory model Ti-infused TIR mirrors trapped two-photon voltages wavefront Waveguide Scattering waveguide surface wavelength width writing beams