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Proceedings Paper

Construction of a high power OPO laser system for differential absorption LIDAR
Author(s): Kevin O. Douglass; Stephen E. Maxwell; David F. Plusquellic; Joseph T. Hodges; Roger D. van Zee; Daniel V. Samarov; James R. Whetstone
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Paper Abstract

Our goal is to develop and characterize optical measurement technology to enable accurate quantification of greenhouse-gas emissions from distributed sources and sinks. We are constructing a differential absorption LIDAR (DIAL) system that will be sensitive to the three primary greenhouse gases, carbon dioxide, methane, and nitrous oxide. Our system uses a high energy optical parametric oscillator (OPO) operating from 1585 nm to 1646 nm. Here we describe this OPO system and initial characterization of its output. The OPO uses a Rotated Image Singly-Resonant Twisted RectAngle (RISTRA) design. The commercially available RISTRA cavity is machined from a solid block of aluminum. The compact single piece cavity design requires no mirror adjustments and image rotation provides efficient light conversion efficiency and excellent beam quality. The injection seeded OPO has demonstrated total output energy of 50 mJ/pulse when pumped with 220 mJ/pulse of 1064 nm radiation. The pump laser has a repetition rate variable from 1 Hz to 100 Hz and a temporal pulse width of 4.2 ns. In the current configuration the seed laser is locked to a mode of the cavity.

Paper Details

Date Published: 13 September 2011
PDF: 9 pages
Proc. SPIE 8159, Lidar Remote Sensing for Environmental Monitoring XII, 81590D (13 September 2011); doi: 10.1117/12.894089
Show Author Affiliations
Kevin O. Douglass, National Institute of Standards and Technology (United States)
Stephen E. Maxwell, National Institute of Standards and Technology (United States)
David F. Plusquellic, National Institute of Standards and Technology (United States)
Joseph T. Hodges, National Institute of Standards and Technology (United States)
Roger D. van Zee, National Institute of Standards and Technology (United States)
Daniel V. Samarov, National Institute of Standards and Technology (United States)
James R. Whetstone, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 8159:
Lidar Remote Sensing for Environmental Monitoring XII
Upendra N. Singh, Editor(s)

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