1 May 1990 Methods for fabricating substrate-mode holographic optical elements
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Methods for designing substrate-mode holographic (SMH) optical elements are discussed in detail. These include techniques which account for the thickness change of a volume material during processing, and construction and reconstruction at different wavelengths. A method to reduce the angular sensitivity of these elements is also presented. Experimental results for components formed in dichromated gelatin with diffraction efficiency exceeding 95% and a FWHM (full angular width of the efficiency at half maximum) of more than 5° are given. Results for cascaded grating pairs are also discussed.
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Yang-Tung Huang, Yang-Tung Huang, Masayuki Kato, Masayuki Kato, Raymond K. Kostuk, Raymond K. Kostuk, } "Methods for fabricating substrate-mode holographic optical elements", Proc. SPIE 1211, Computer and Optically Formed Holographic Optics, (1 May 1990); doi: 10.1117/12.17960; https://doi.org/10.1117/12.17960

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