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Proceedings Paper

Optical gratings with wavelength and subwavelength structures for optical limiting
Author(s): Chunfei Li; Guangyu Fang; Luzhong Cai; Hua-Kuang Liu
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Paper Abstract

We propose a set of novel optical limiters by sandwiching index-matched nonlinear liquid between a glass plate and a relief grating. Strong light beams can change the index of the liquid to induce index mismatch and reactivate grating to diffract, reflect or evanesce most of the output light away to protect eyes or sensor. In this paper, different gratings for the use of optical limiting including diffraction gratings, total-reflection gratings and sub- wavelength gratings are analyzed and compared.

Paper Details

Date Published: 13 October 1998
PDF: 13 pages
Proc. SPIE 3467, Far- and Near-Field Optics: Physics and Information Processing, (13 October 1998); doi: 10.1117/12.326818
Show Author Affiliations
Chunfei Li, Univ. of South Alabama (United States)
Guangyu Fang, Univ. of South Alabama (United States)
Luzhong Cai, Univ. of South Alabama (United States)
Hua-Kuang Liu, Univ. of South Alabama (United States)


Published in SPIE Proceedings Vol. 3467:
Far- and Near-Field Optics: Physics and Information Processing
Suganda Jutamulia; Toshimitsu Asakura, Editor(s)

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