Excited-state optical filter at 532.33 nm based on optical rotary dispersion in potassium vapor

G. Yang; R.I. Billmers; R.I. Billmers; S.K. Gayen; S.K. Gayen; V.M. Contarino; V.M. Contarino; P. R. Herczfeld; M. F. Squicciarini; M. F. Squicciarini; D. M. Allocca; D. M. Allocca

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1995),
paper CWJ3

Excited-state optical filter at 532.33 nm based on optical rotary dispersion in potassium vapor

G. Yang, R.I. Billmers, S.K. Gayen, V.M. Contarino, P. R. Herczfeld, M. F. Squicciarini, and D. M. Allocca

Conference on Lasers and Electro-Optics 1995

Baltimore, Maryland United States
21–26 May 1995
ISBN: 1-55752-400-9

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Atmospheric, Space, and Ocean Optics 2 (CWJ)

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G. Yang, R. I. Billmers, S. K. Gayen, V. M. Contarino, P. R. Herczfeld, M. F. Squicciarini, and D. M. Allocca, "Excited-state optical filter at 532.33 nm based on optical rotary dispersion in potassium vapor," in Conference on Lasers and Electro-Optics, T. Deutsch, J. Goldsmith, D. Killinger, and G. Valley, eds., Vol. 15 of OSA Technical Digest (Optica Publishing Group, 1995), paper CWJ3.

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Abstract

A narrow-linewidth, high-transmission optical filter is an essential component in an underwater lidar system in order to achieve equal day/night performance. It must operate in the blue-green region, where seawater transmission is maximum. A filter operating at 532 nm is of considerable practical interest because it matches the wavelength of a doubled Nd:YAG laser. The excited-state transition 4P_1/2 - 8S_1/2 in potassium satisfies these requirements. In this paper, we report on an experimental demonstration of an excited-state filter on this transition.

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