Instrumentation of absorption spectrum of an NH3-filled cell to IR laser pulses using cavity-ring down technique

Oday Ata Hamadi

doi:10.1117/12.611599

14 February 2005 Instrumentation of absorption spectrum of an NH₃-filled cell to IR laser pulses using cavity-ring down technique

Oday Ata Hamadi

Author Affiliations +

Proceedings Volume 5776, Eighth International Symposium on Laser Metrology; (2005) https://doi.org/10.1117/12.611599
Event: Eighth International Conference on Laser Metrology, 2005, Merida, Mexico

Abstract

The CRD technique has been successfully applied in various environments since it directly provides the frequency-dependent absorption strengths of the medium under study. As mirrors with a sufficiently high reflectivity, detectors with a sufficiently fast time response, and tunable (pulsed) light sources are available, there is no intrinsic limitation to the spectral region in which CRD can be applied. In this work, cavity-ring down (CRD) technique was employed to stabilize the absorption of a cell filled with ammonia gas to 120μs pulses from a 904nm GaAlAsP semiconductor laser.

Citation Download Citation

Oday Ata Hamadi "Instrumentation of absorption spectrum of an NH₃-filled cell to IR laser pulses using cavity-ring down technique", Proc. SPIE 5776, Eighth International Symposium on Laser Metrology, (14 February 2005); https://doi.org/10.1117/12.611599

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