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Journal of Optical Technology

Journal of Optical Technology


  • Vol. 75, Iss. 9 — Sep. 1, 2008
  • pp: 585–588

Precision rangefinders based on a two-wave injection laser

V. L. Kozlov  »View Author Affiliations

Journal of Optical Technology, Vol. 75, Issue 9, pp. 585-588 (2008)

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Recirculation and pulse-phase methods of measuring the range, based on a two-wave injection laser, are proposed for precision laser rangefinder systems. The radiator of the rangefinder consists of a laser diode with an asymmetric quantum-size heterostructure that generates probe radiation at two different wavelengths, depending on the pump current. The system makes it possible to obtain information on the propagation rate of radiation in the medium along the observation line and to take into account its value when calculating the range from the optical delay, and this enhances the distance-measuring accuracy.

© 2008 Optical Society of America

V. L. Kozlov, "Precision rangefinders based on a two-wave injection laser," J. Opt. Technol. 75, 585-588 (2008)

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  1. V. L. Kozlov, “Precision recirculation rangefinder,” Republic of Belarus Patent No. 8172 (2006).
  2. V. L. Kozlov, V. K. Kononenko, and I. S. Manak, “Precision laser rangefinder,” Republic of Belarus Patent 6263 (2004).
  3. S. Ikeda and A. Shimizu, “Evidence of the wavelength switching caused by a blocked carrier transport in an asymmetric dual quantum well laser,” Appl. Phys. Lett. 59, 504 (1991). [CrossRef]
  4. G. Ébert, Brief Handbook on Physics (GIFML, Moscow, 1963), pp. 240-241.
  5. A. A. Afonenko, V. K. Kononenko, and I. S. Manak, “Semiconductor laser,” Republic of Belarus Patent 1385 (1996).

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