Coupled cavity spectrometer with enhanced sensitivity and dynamic range

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United States of America Patent

PATENT NO 9625702
APP PUB NO 20140347662A1
SERIAL NO

13902415

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Abstract

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A coupled-cavity ring-down spectrometer utilizes an optical resonator to increase the reflectivity of ring-down cavity mirrors by adding external optical cavities that recycle light to the main cavity. These input and output cavities are made up of at least one coupling mirror and at least one movable recycling mirror. The movable recycling mirrors are coupled to at least one piezoelectric transducer, which generates movement of the recycling mirrors. The coupled-cavity ring-down configuration achieves higher spectrometer finesse, sensitivity and dynamic range.

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Patent Owner(s)

Patent OwnerAddress
GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF COMMERCENATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY 100 BUREAU DRIVE MS 2200 GAITHERSBURG MD 20899

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Courtois, Jeremie Gaithersburg, US 1 12
Hodges, Joseph T Washington Grove, US 9 87

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