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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 9 — Mar. 20, 2002
  • pp: 1718–1721

Precise Wavelength Control of a Single-Frequency Pulsed Ho:Tm:YLF Laser

Grady J. Koch, Mulugeta Petros, Jirong Yu, and Upendra N. Singh  »View Author Affiliations


Applied Optics, Vol. 41, Issue 9, pp. 1718-1721 (2002)
http://dx.doi.org/10.1364/AO.41.001718


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Abstract

We demonstrate wavelength control of a single-frequency diode-pumped Ho:Tm:YLF laser by referencing its wavelength to an absorption line of carbon dioxide. We accomplish this wavelength control by injection seeding with a cw Ho:Tm:YLF laser that can be tuned over or stabilized to carbon dioxide or water vapor lines. We show that the pulsed laser can be scanned precisely over an absorption line of carbon dioxide by scanning the injection seed laser wavelength. We locked the pulsed laser to within 18.5 MHz of the absorption line center by stabilizing the injection seed on the line center. The single-frequency pulsed output, intended for use as a transmitter for differential absorption lidar detection of atmospheric carbon dioxide and water vapor and for coherent detection of wind, is 100 mJ per pulse at a 5-Hz repetition rate.

© 2002 Optical Society of America

OCIS Codes
(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

Citation
Grady J. Koch, Mulugeta Petros, Jirong Yu, and Upendra N. Singh, "Precise Wavelength Control of a Single-Frequency Pulsed Ho:Tm:YLF Laser," Appl. Opt. 41, 1718-1721 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-9-1718


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References

  1. U. N. Singh, J. Yu, M. Petros, N. P. Barnes, J. A. Williams-Byrd, G. E. Lockard, and E. A. Modlin, “Injection-seeded, room-temperature, diode-pumped Ho:Tm:YLF laser with output en-ergy of 600 mJ at 10 Hz,” in Advanced Solid State Lasers, W.R. Bosenberg and M. M. Fejes, e1998, pp. 194–196.ds., Vol. 19 of OSA Trends in Optics and Photonics Series
  2. G. J. Koch, R. E. Davis, A. N. Dharamsi, M. Petros, and J. C. McCarthy, “Differential absorption measurements of atmospheric water vapor with a coherent lidar at 2050.532 nm,” in Proceedings of Tenth Biennial Coherent Laser Radar Technology and Applications Conference, Mt. Hood, Oregon, 28 June 1999 (Universities Space Research Association, Huntsville, Ala., 1999), pp. 69–71.
  3. R. F. Teehan, J. C. Bienfang, and C. A. Denman, “Power scalling and frequency stabilization of an injection-locked Nd:YAG rod laser,” Appl. Opt. 39, 3076–3084 (2000).
  4. G. J. Koch, A. N. Dharamsi, C. M. Fitzgerald, and J. C. McCarthy, “Frequency stabilization of a Ho:Tm:YLF laser to absorption lines of carbon dioxide,” Appl. Opt. 39, 3664–3669 (2000).
  5. J. Yu, U. N. Singh, N. P. Barnes, and M. Petros, “125-mJ diode-pumped injection-seeded Ho:Tm:YLF laser,” Opt. Lett. 23, 780–782 (1998).
  6. S. W. Henderson, E. Y. Yuen, and E. S. Fry, “Fast resonance detection technique for single-frequency operation of injection seeded Nd:YAG lasers,” Opt. Lett. 11, 715–717 (1986).
  7. G. J. Koch, M. Petros, and J. Yu, “Coherent DIAL with a Ho:Tm:YLF laser for measurement of wind, water vapor, and carbon dioxide,” in Eleventh Coherent Laser Radar Conference, Malven, Worcestershire, U.K., 1 July 2001, D. V. Willets, ed. (Defence Evaluation and Research Agency, Malvern, Worcestershire, U.K., 2001), pp. 130–133.

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