Holographic gratings recorded in PDLC mixed with crystal violet dye
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.06.089
Abstract: Abstract Optical characterization of a doped-Polymer Dispersed Liquid Crystal, which was made by mixing Norland Optical Adhesive no. 65©, nematic liquid crystal E7 and crystal violet dye deposited between two glass plates coated with Indium… read more here.
Keywords: gratings recorded; holographic gratings; violet dye; crystal violet ... See more keywords
Design and modeling of spectrographs with holographic gratings on freeform surfaces
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DOI: 10.1117/1.oe.57.12.125105
Abstract: Abstract. We demonstrate the approach of using a holographic grating on a freeform surface for advanced spectrographs design. We discuss the surface and groove pattern description used for ray tracing. Moreover, we present a general… read more here.
Keywords: spectrographs holographic; modeling spectrographs; freeform; holographic gratings ... See more keywords
Low-stray-light concave holographic gratings processed by combining the methods of photoresist hot-melting and oxygen-ion ashing.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.386465
Abstract: The principal motivation for this paper is to reduce stray light and line roughness in concave holographic gratings (CHG). Compared with other previously reported line-smoothing grating techniques such as dynamic-exposure near-field holography, we successfully improve… read more here.
Keywords: stray light; holographic gratings; concave holographic; photoresist hot ... See more keywords