Enhanced rotational Bragg selectivity by use of random phase encoding in volume holographic filter

Shih Hsin Ma, Xuan Hao Lee, Tun Chien Teng, Ye Wei Yu, Ching Cherng Sun

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

An out-of-plane angular detection scheme with random phase encoding is proposed. A ground glass is attached on a rod, which is rotated around a center point, so that the rotation of the rod induces the displacement of the ground glass in a circular path. To enhance the rotational sensitivity we adjust the Bragg selectivity of the volume holographic optical element encoded by random phase. Therefore, the rotational sensitivity can be tuned over a large range from several degrees to ten thousandth degrees by changing the radius of rotation. The theoretical calculation, as well as experiment, is demonstrated.

Original languageEnglish
Pages (from-to)5430-5434
Number of pages5
JournalApplied Optics
Volume46
Issue number22
DOIs
StatePublished - 1 Aug 2007

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