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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 22 — Nov. 15, 2002
  • pp: 2034–2036

Angular dispersion of femtosecond pulses in a Gaussian beam

K. Varjú, A. P. Kovács, K. Osvay, and G. Kurdi  »View Author Affiliations


Optics Letters, Vol. 27, Issue 22, pp. 2034-2036 (2002)
http://dx.doi.org/10.1364/OL.27.002034


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Abstract

The angular dispersion of spatially Gaussian laser pulses, unlike for plane waves, changes with the distance between the disperser and the observer and between the beam waist and the disperser. The formula that is derived is experimentally verified by use of a high-precision measurement technique. Because the angular dispersion of a Gaussian beam is substantially different from that of a plane wave after the same disperser, the phenomenon may be of special interest for short-pulsed laser systems, for which alignment of the stretcher–compressor system for zero residual angular dispersion is essential.

© 2002 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(140.3300) Lasers and laser optics : Laser beam shaping
(320.5520) Ultrafast optics : Pulse compression
(320.7090) Ultrafast optics : Ultrafast lasers

Citation
K. Varjú, A. P. Kovács, K. Osvay, and G. Kurdi, "Angular dispersion of femtosecond pulses in a Gaussian beam," Opt. Lett. 27, 2034-2036 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-22-2034

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