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Applied Optics

Applied Optics


  • Vol. 39, Iss. 30 — Oct. 20, 2000
  • pp: 5500–5504

Simple method for measuring frequency chirps with a Fabry–Perot interferometer

Kevin S. Repasky and John L. Carlsten  »View Author Affiliations

Applied Optics, Vol. 39, Issue 30, pp. 5500-5504 (2000)

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A simple method for measuring the frequency-chirped response of lasers is presented. This method relates the deviation from the Lorentzian line shape of the transmission of a Fabry–Perot interferometer to the frequency chirp of the laser and allows a direct measurement of the frequency chirp. Two chirps produced by an external-cavity laser diode with an intracavity electro-optic crystal were measured. The first measurement was of a linear chirp of 800 MHz occurring in a time of 12.3 µs, and the second measurement was of eight repeated 800-MHz linear chirps each occurring in 337 µs. Agreement between the measured and the expected frequency-chirped response of the laser is shown.

© 2000 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.3600) Lasers and laser optics : Lasers, tunable

Original Manuscript: April 14, 2000
Revised Manuscript: July 20, 2000
Published: October 20, 2000

Kevin S. Repasky and John L. Carlsten, "Simple method for measuring frequency chirps with a Fabry–Perot interferometer," Appl. Opt. 39, 5500-5504 (2000)

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