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Applied Optics

Applied Optics

  • Editor: James C. Wyant
  • Vol. 46, Iss. 15 — May. 20, 2007
  • pp: 2990–2995

Optics InfoBase > Applied Optics > Volume 46 > Issue 15 > Page 2990

Raman shifter optimized for lidar at a 1.5 μm wavelength

Scott M. Spuler and Shane D. Mayor

Applied Optics, Vol. 46, Issue 15, pp. 2990-2995        doi:10.1364/AO.46.002990

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  • OCIS Codes:
  • (010.3640) Atmospheric and oceanic optics : Lidar
  • (140.3550) Lasers and laser optics : Lasers, Raman
  • (280.1100) Remote sensing and sensors : Aerosol detection
  • (280.1120) Remote sensing and sensors : Air pollution monitoring
  • (280.3640) Remote sensing and sensors : Lidar
ToC Category:
Lasers and Laser Optics

Citation
Scott M. Spuler and Shane D. Mayor, "Raman shifter optimized for lidar at a 1.5 μm wavelength," Appl. Opt. 46, 2990-2995 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-15-2990

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Abstract

A Raman shifter is optimized for generating high-energy laser pulses at a 1.54 μm wavelength. A forward-scattering design is described, including details of the multiple pass and nonfocused optical design, Stokes injection seeding, and internal gas recirculation. First-Stokes conversion efficiencies up to 43%--equivalent to 62% photon conversion efficiency--were measured. Experimental results show output average power in excess of 17.5 W, pulse energies of 350 mJ at 50 Hz, with good beam quality (M2<6). Narrow bandwidth and tunable output is produced when pumping with a single longitudinal mode Nd:YAG laser and seeding the process with a Stokes wavelength narrowband laser diode.

© 2007 Optical Society of America

» View Full Text: Acrobat PDF (1081 KB)

History
Original Manuscript: December 4, 2006
Manuscript Accepted: December 23, 2006
Published: May 1, 2007

References

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Author Affiliations

Scott M. Spuler, Shane D. Mayor

Earth Observing Laboratory

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