Device for protecting an optical or infrared window against lase

Details Device for protecting an optical or infrared window against lase Device for protecting an optical or infrared window against lase

1981-08-31

1984-02-14

Henry, Jon W.

350310, 350312, G02B 106, G02B 510

Patent

active

044312571

ABSTRACT:
A window which is transparent to radiation in the visible, optical and near nfrared range but not transparent to the radiation of a laser, is protected against distruction or damage by the laser radiation. For this purpose the window itself is constructed of at least two layers of solid optical material which is also transparent to the high energy laser radiation. These layers form a cooling channel through which a gaseous or liquid coolant flows. The coolant is transparent to the visible and near infrared range, but opaque to the laser radiation.

REFERENCES:
patent: 1530441 (1925-03-01), Thomson
patent: 1565590 (1925-12-01), Ritterrath
patent: 1657776 (1928-01-01), Wolfe et al.
patent: 3914010 (1975-10-01), Zeller
patent: 4065207 (1977-12-01), Zauitsanos et al.
patent: 4288953 (1981-09-01), Whiteford
patent: 4310215 (1982-01-01), Kelley

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