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High rejection ruby filter for laser light scattering experiments

Journal Article · · Appl. Opt.; (United States)
DOI:https://doi.org/10.1364/AO.27.003625· OSTI ID:6950270
A rejection filter against stray ruby laser light in scattering experiments is described. It consists of an array of sixty-four ruby crystal cubes with a doping of up to 2.3 wt. % of chromium oxide. The filter is 15 mm thick. Suppression factors of more than 10/sup 6/ are achieved with individual cubes (5 x 5 x 15 mm/sup 3/), the effective overall suppression of the assembled array being 10/sup 4/. The filter facilitates Raman calibration of the lidar Thomson scattering system of the JET tokamak.
Research Organization:
JET Joint Undertaking, Abingdon, Oxon OX14 3EA, U.K.
OSTI ID:
6950270
Journal Information:
Appl. Opt.; (United States), Journal Name: Appl. Opt.; (United States) Vol. 27:17; ISSN APOPA
Country of Publication:
United States
Language:
English