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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 9 — Mar. 20, 1999
  • pp: 1742–1745

Measurement of the linewidth of a continuous-wave laser with a cavity-length modulation technique

Jae Wan Kim, Jae Won Hahn, Yong Shim Yoo, Jae Yong Lee, Hong Jin Kong, and Hai-Woong Lee  »View Author Affiliations


Applied Optics, Vol. 38, Issue 9, pp. 1742-1745 (1999)
http://dx.doi.org/10.1364/AO.38.001742


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Abstract

We introduce a Fabry–Perot cavity-length modulation technique for measuring the linewidth of a continuous wave (cw) laser. We calculate the peak intensity of a cw laser transmitted through a Fabry–Perot cavity as a function of mirror speed. By fitting the experimental data to the results of the calculation, we determine the linewidth of a frequency-stabilized cw laser. The linewidth of a cw ring dye laser measured in the 570–590-nm wavelength range is ∼170 ± 20 kHz. We also demonstrate the use of this technique to measure the reflectivity of a high-reflectance mirror.

© 1999 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.5700) Instrumentation, measurement, and metrology : Reflection
(140.3570) Lasers and laser optics : Lasers, single-mode
(290.3700) Scattering : Linewidth
(300.6360) Spectroscopy : Spectroscopy, laser

History
Original Manuscript: August 17, 1998
Revised Manuscript: December 8, 1998
Published: March 20, 1999

Citation
Jae Wan Kim, Jae Won Hahn, Yong Shim Yoo, Jae Yong Lee, Hong Jin Kong, and Hai-Woong Lee, "Measurement of the linewidth of a continuous-wave laser with a cavity-length modulation technique," Appl. Opt. 38, 1742-1745 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-9-1742

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