UV spectrometer with laser diodes and laser frequency multiplica

Details UV spectrometer with laser diodes and laser frequency multiplica UV spectrometer with laser diodes and laser frequency multiplica

1994-02-04

1995-07-25

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

250375, G01N 2131

Patent

active

054364590

ABSTRACT:
A laser spectrometer suitable for detecting gas components in a test sample in the ultraviolet range. The measuring laser radiation (2) is sent to a nonlinear crystal (20, 40, 41), which increases the nominal laser frequency to the frequency that corresponds to the absorption wavelength of the measured gas. Tripling of the frequency takes place either after passage of the radiation through a single nonlinear crystal (20), or by mixing a frequency-doubled laser beam with the measuring laser radiation (2) in a common, second nonlinear crystal (41).

REFERENCES:
patent: 4450356 (1984-05-01), Murray et al.
patent: 5142542 (1992-08-01), Dixon
patent: 5317447 (1994-05-01), Baird et al.
Demtroder, Wolfgang Laser Spectroscopy Basic Concepts and Instrumentation Springer Series in Chemical Physics pp. 357-371.
Radziemski, Solarz Laser Spectroscopy and its Applications Lasers for Spectroscopy pp. 139-147.
Andrews, David L. Applied Laser Spectroscopy: Techniques, Instrumentation, and Applications Ultrafast Spectroscopic Methods pp. 402-408.

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