Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate
2006-02-28
2006-02-28
Hannaher, Constantine (Department: 2878)
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
C250S341200, C250S343000
Reexamination Certificate
active
07005645
ABSTRACT:
An apparatus and method for simultaneous detection of N gas species through laser radiation attenuation techniques is disclosed. Each of the N species has a spectral absorption band. N laser sources operate at a wavelength λNin a spectral absorption band separated by the cutoff wavelength for single-mode transmission. Each laser source corresponds to a gas species and transmits radiation through an optical fiber constructed and arranged to provide single-mode transmission with minimal power loss.
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Allen Mark G.
Sonnenfroh David
Stafford-Evans Joy
Von Drasek William A.
Air Liquide America L.P.
Cronin Christopher J.
Hannaher Constantine
Physical Sciences Inc.
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