A simple variable-ratio beam splitter for holography

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Published under licence by IOP Publishing Ltd
, , Citation D Bertani et al 1983 J. Phys. E: Sci. Instrum. 16 602 DOI 10.1088/0022-3735/16/7/007

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1 Istituto Nazionale di Ottica, Firenze, Italy

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0022-3735/16/7/602

Abstract

A low-cost variable beam splitter is described. It is based on frustrated total internal reflection and is practically free from losses. During its regulation, no deflection is introduced of the output beams, whose intensity distribution remains unaffected.

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10.1088/0022-3735/16/7/007