Quarter wave Fresnel rhomb with colinear output beam

Date

1999

Authors

Serpenguzel, A.

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Source Title

Optics and Photonics News

Print ISSN

1047-6938

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Optical Society of America Inc., Washington, DC, United States

Volume

38

Issue

34

Pages

5 - 6

Language

English

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Abstract

A standard quarter wave (λ/4) Fresnel rhomb laterally displaces the output beam with respect to the input beam. This lateral displacement can cause problems when inserting the rhomb in an already aligned optical setup. This note describes the use of two λ/8 rhombs to construct a λ/4 rhomb. The output of the proposed rhomb is colinear with the input beam, and allows a much more flexible optical alignment.

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