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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 18 — Jun. 20, 1998
  • pp: 3804–3824

Ground-based differential absorption lidar for water-vapor and temperature profiling: development and specifications of a high-performance laser transmitter

Volker Wulfmeyer  »View Author Affiliations


Applied Optics, Vol. 37, Issue 18, pp. 3804-3824 (1998)
http://dx.doi.org/10.1364/AO.37.003804


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Abstract

An all-solid-state laser transmitter for a water-vapor and temperature differential absorption lidar (DIAL) system in the near infrared is introduced. The laser system is based on a master–slave configuration. As the slave laser a Q-switched unidirectional alexandrite ring laser is used, which is injection seeded by the master laser, a cw Ti:sapphire ring laser. It is demonstrated that this laser system has, what is to my knowledge, the highest frequency stability (15 MHz rms), narrowest bandwidth (<40 MHz), and highest spectral purity (>99.99%) of all the laser transmitters developed to date in the near infrared. These specifications fulfill the requirements for water-vapor measurements with an error caused by laser properties of <5% and temperature measurements with an error caused by laser properties of <1 K in the whole troposphere. The specifications are maintained during long-term operation in the field. The single-mode operation of this laser system makes the narrow-band detection of the DIAL backscatter signal possible. Thus the system has the potential to be used for accurate temperature measurements and for simultaneous DIAL and Doppler wind measurements.

© 1998 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3560) Lasers and laser optics : Lasers, ring
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3580) Lasers and laser optics : Lasers, solid-state
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar
(280.3640) Remote sensing and sensors : Lidar

History
Original Manuscript: September 3, 1997
Revised Manuscript: February 5, 1998
Published: June 20, 1998

Citation
Volker Wulfmeyer, "Ground-based differential absorption lidar for water-vapor and temperature profiling: development and specifications of a high-performance laser transmitter," Appl. Opt. 37, 3804-3824 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-18-3804

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