Nonlinear optical interrogation system

Details Nonlinear optical interrogation system Nonlinear optical interrogation system

1985-10-02

1990-08-14

Buczinski, Stephen C.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, 356318, G01J 100, G01J 330

Patent

active

049489739

ABSTRACT:
A method and means for detecting the presence of infrared radiation and/or he presence of an optical dielectric transmitting element, such as a lens or window, is provided. By correlating the radiation wavelength with a visible detector wavelength and a specific dielectric element, the element can be identified or the alignment of a beam of radiation passing through the element can be established. In some cases the presence of a quiescent radiation device can be deduced from the identification of the dielectric element.

REFERENCES:
patent: 3675039 (1972-07-01), Boyd et al.
patent: 4112300 (1978-09-01), Hall et al.
patent: 4422758 (1983-12-01), Godfrey et al.
patent: 4496839 (1985-01-01), Bernstein et al.
patent: 4500784 (1985-02-01), Hacskaylo

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