Compact near-IR and mid-IR cavity ring down spectroscopy device

Details Compact near-IR and mid-IR cavity ring down spectroscopy device Compact near-IR and mid-IR cavity ring down spectroscopy device

2009-06-03

2011-11-22

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S343000, C250S341100, C250S573000, C250S574000

Reexamination Certificate

active

08063373

ABSTRACT:
This invention relates to a compact cavity ring down spectrometer for detection and measurement of trace species in a sample gas using a tunable solid-state continuous-wave mid-infrared PPLN OPO laser or a tunable low-power solid-state continuous wave near-infrared diode laser with an algorithm for reducing the periodic noise in the voltage decay signal which subjects the data to cluster analysis or by averaging of the interquartile range of the data.

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