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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 27 — Sep. 20, 2008
  • pp: 4856–4863

Dispersion measurement of inert gases and gas mixtures at 800 nm

A. Börzsönyi, Z. Heiner, M. P. Kalashnikov, A. P. Kovács, and K. Osvay  »View Author Affiliations


Applied Optics, Vol. 47, Issue 27, pp. 4856-4863 (2008)
http://dx.doi.org/10.1364/AO.47.004856


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Abstract

Dispersion of femtosecond laser pulses propagating in Ar, He, Kr, N 2 , Ne, Xe, and their mixtures is measured by spectrally and spatially resolved interferometry. By varying the gas pressure in a 4.5 m long tube between 0.05 mbar and ambient pressure, the first, second, and third order phase derivatives of broadband laser pulses are determined at 800 nm under standard conditions. The dispersion of gases and gas mixtures obeys the Lorentz–Lorenz formula with an accuracy of 0.7%. Based on the measured pressure dependent dispersion values in the near infrared and the refractive indices available from the literature for the ultraviolet and visible, a pressure dependent Sellmeier-type formula is fitted for each gas. These common form, two-term dispersion equations provide an accuracy between 4.1 × 10 9 (Ne) and 4.3 × 10 7 (Xe) for the refractive indices, from UV to near IR.

© 2008 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(160.4760) Materials : Optical properties
(260.2030) Physical optics : Dispersion
(320.5540) Ultrafast optics : Pulse shaping
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Physical Optics

History
Original Manuscript: May 14, 2008
Manuscript Accepted: July 21, 2008
Published: September 11, 2008

Citation
A. Börzsönyi, Z. Heiner, M. P. Kalashnikov, A. P. Kovács, and K. Osvay, "Dispersion measurement of inert gases and gas mixtures at 800 nm," Appl. Opt. 47, 4856-4863 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-27-4856

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