Production of reflection relief holograms with asymmetric shape of slits profile and the examination of their spectral characteristics

Anatoly R. Bulygin

doi:10.1117/12.19399

1 February 1991 Production of reflection relief holograms with asymmetric shape of slits profile and the examination of their spectral characteristics

Anatoly R. Bulygin

Author Affiliations +

Proceedings Volume 1238, Three-Dimensional Holography: Science, Culture, Education; (1991) https://doi.org/10.1117/12.19399
Event: International Seminar on 3D Holography, 1989, Kiev, Ukraine

Abstract

Production of reflection relief holograms with asymmetric groove shape by two different. optical schemes is investigated. First optical scheme which was used is counterdirected. Second optical scheme is rionsymmetr-ic codirected. The holograms are made on photoresist CK17 type. It is shown that if spatial frequency of obtained holograms is corit. ant the hol ogram recorded i n a counter di rected scheme had experimental value of blaze wavelength about 220230 nm as calculated val ue of wavel ength was about 280 nm. The hol ograms recorded i n a codirected asymmetric scheme had experimental value of blaze wavel ength about 660-700 nm though the cal cul ated val ue was about 1560 rim. Diffraction efficiency of obtained holograms exceeded the value of 7O for natural light in both cases. 1 . INTRODUCTI ON The rel i ef hol ogr ams are usual 1 y made i n a photosensi ti ye phase type material with a two beam interference system. Interference fri nges have si riusoi dal i ntensi ty di stri huti on but the groove shape is not always sinusoidal being changeable with exposure and devel opment condi t i ons . But unti 1 the opti cal scheme used for obtaining holograms is symmetric the groove is also symmetric after the development. In 1Q62 Deriisjuk1 suggested method of obtaining holograms with asymmetric groove shape when the nodal planes

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Anatoly R. Bulygin "Production of reflection relief holograms with asymmetric shape of slits profile and the examination of their spectral characteristics", Proc. SPIE 1238, Three-Dimensional Holography: Science, Culture, Education, (1 February 1991); https://doi.org/10.1117/12.19399

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KEYWORDS

Holograms

Diffraction

Photoresist materials

Bismuth

Holography

Aluminum

Field emission displays

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