Diffractive and Holographic Device Technologies and ApplicationsSPIE--The International Society for Optical Engineering, 1997 - Diffraction |
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Page 86
... gratings of both these types . 3.1 . Lamellar antireflection gratings in silicon Rectangular grooves are obtained using the etch of ( 110 ) crystalline silicon . The groove filling factor and the period of the lamellar grating , defined ...
... gratings of both these types . 3.1 . Lamellar antireflection gratings in silicon Rectangular grooves are obtained using the etch of ( 110 ) crystalline silicon . The groove filling factor and the period of the lamellar grating , defined ...
Page 128
... grating period . The average duty cycle of the grating was kept constant at 0.5 . Note that the results displayed in this graph are only accurate for grating periods that are large compared to wavelength . Diffraction efficiency 0.5 0.4 ...
... grating period . The average duty cycle of the grating was kept constant at 0.5 . Note that the results displayed in this graph are only accurate for grating periods that are large compared to wavelength . Diffraction efficiency 0.5 0.4 ...
Page 273
... gratings , realized by curved waveguides passing through uniform gratings , are also shown as designing examples . 2. GRATING AND CURVED WAVEGUIDE ANALYSIS As shown in Fig . 1 , the grating has uniform fundamental period A. The ...
... gratings , realized by curved waveguides passing through uniform gratings , are also shown as designing examples . 2. GRATING AND CURVED WAVEGUIDE ANALYSIS As shown in Fig . 1 , the grating has uniform fundamental period A. The ...
Contents
Modal method by Fourier expansion for modeling crossed gratings 301003 | 18 |
Diffractive optic elements for forming scanning beams 301006 | 30 |
Theoretical and experimental evaluation of waveguide Talbot array illuminators 301007 | 38 |
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algorithm alignment amplitude aperture applications Bragg matching calculation coefficient components composite numbers coordinate device diffraction efficiency diffraction grating diffraction orders diffractive element diffractive optical elements equation error ESBG etch depth experimental fabrication fiber film filter focal length Fourier fractal Fresnel zone plate function Gaussian beam grating period hologram hot embossing illumination incident index modulation injection moulding integrated intensity distribution laser beam layer lenslet light liquid crystal lithography mask material measured method micro lens array microstructure MMFE mode optical interconnects optical system optimized parameters pattern phase profile phase shift photopolymer photoresist pixel plane polarization polarization-selective polymer PRBS pre-imaging exposure propagation ratio recording reflection refractive index replication S-matrix sample scattering shown in Figure shows shrinkage silicon slant angle spatial spectral spectrum SPIE Vol structure substrate surface switching technique thickness transmission holograms VCSEL wafer wave waveguide wavelength width