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Optics Letters

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  • Vol. 21, Iss. 15 — Aug. 1, 1996
  • pp: 1150–1152

Single-mode operation of an injection-seeded alexandrite ring laser for application in water-vapor and temperature differential absorption lidar

V. Wulfmeyer and J. Bösenberg  »View Author Affiliations


Optics Letters, Vol. 21, Issue 15, pp. 1150-1152 (1996)
http://dx.doi.org/10.1364/OL.21.001150


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Abstract

A major improvement of a differential absorption lidar (DIAL) system for measurements of tropospheric water vapor and temperature is introduced. A Q-switched unidirectional alexandrite ring laser is injection seeded by a cw Ti:sapphire ring laser. Using an especially developed single-mode electronic, one starts the Q switch when the slave resonator is in resonance with the frequency of the Ti:sapphire laser. Long-term single-mode operation of the alexandrite laser is achieved. A single-shot spectral linewidth of <40 MHz and a frequency stability of 15 MHz rms can be specified. Thus what is to our knowledge the first single-mode DIAL system in the near infrared is presented.

© 1996 Optical Society of America

History
Original Manuscript: January 22, 1996
Published: August 1, 1996

Citation
V. Wulfmeyer and J. Bösenberg, "Single-mode operation of an injection-seeded alexandrite ring laser for application in water-vapor and temperature differential absorption lidar," Opt. Lett. 21, 1150-1152 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-15-1150

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