Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing

Taubman, Matthew S; Phillips, Mark C

Title: Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing

Patent · Tue Mar 18 00:00:00 EDT 2014

OSTI ID:1127101

Taubman, Matthew S; Phillips, Mark C

Systems and methods are disclosed that provide a direct indication of the presence and concentration of an analyte within the external cavity of a laser device that employ the compliance voltage across the laser device. The systems can provide stabilization of the laser wavelength. The systems and methods can obviate the need for an external optical detector, an external gas cell, or other sensing region and reduce the complexity and size of the sensing configuration.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RLO1830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 8,675,696

Application Number:: 13/566,783

OSTI ID:: 1127101

Country of Publication:: United States

Language:: English

References (17)

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Control system for a semiconductor laser Thorton, Robert L. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20040202210 US Patent Application 10/411636; 20040202210	patent-application	October 2004
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