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Applied Optics

Applied Optics


  • Vol. 28, Iss. 17 — Sep. 1, 1989
  • pp: 3595–3602

Pulse compression of an FM chirped CO2 laser

M. J. Halmos, D. M. Henderson, and R. L. Duvall, III  »View Author Affiliations

Applied Optics, Vol. 28, Issue 17, pp. 3595-3602 (1989)

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A CO2 laser has been FM chirp modulated by a CdTe intracavity modulator. A frequency deviation-of-100 MHz in 2 μs was attained in this fashion. Following heterodyne detection the chirped pulse was compressed to 15 ns using a surface acoustic wave compression filter. This corresponded to a compression factor of 130. The suppression of unwanted sidelobes with a weighting filter was demonstrated. We have explored the use of this technique for laser radar systems and described an electrooptically FM modulated CO2 waveguide laser with postdetection pulse compression by a surface acoustic wave compressive filter. To our knowledge this is the first report of the successful operation of this important system.

© 1989 Optical Society of America

Original Manuscript: September 23, 1988
Published: September 1, 1989

M. J. Halmos, D. M. Henderson, and R. L. Duvall, "Pulse compression of an FM chirped CO2 laser," Appl. Opt. 28, 3595-3602 (1989)

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