Bypass holograms: a family of stable optical configurations for holography in unpromising environments

Graham Saxby

doi:10.1117/12.140424

2 March 1993 Bypass holograms: a family of stable optical configurations for holography in unpromising environments

Graham Saxby

Proceedings Volume 1732, Holographics International '92; (1993) https://doi.org/10.1117/12.140424
Event: Holographics International '92, 1992, London, United Kingdom

Abstract

Holograms made using beam paths separated by a beamsplitter require ultrastable environments if good results are to be obtained at exposure times longer than a fraction of a second. By placing components close together and eliminating the beamsplitter, the optical system can be made almost immune to most causes of instability. A family of such configurations, dubbed bypass holograms, is described, including one which fortuitously produces eight images in various orientations in a single exposure. Methods of maximizing emulsion speed and thus reducing exposure times are also discussed.

Citation Download Citation

Graham Saxby "Bypass holograms: a family of stable optical configurations for holography in unpromising environments", Proc. SPIE 1732, Holographics International '92, (2 March 1993); https://doi.org/10.1117/12.140424

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