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Applied Optics

Applied Optics


  • Vol. 51, Iss. 12 — Apr. 20, 2012
  • pp: 1945–1949

Photoelastic lensing effect in Ti:sapphire crystal pumped by high-energy pulses

Wei Zheng and Gunter Lüpke  »View Author Affiliations

Applied Optics, Vol. 51, Issue 12, pp. 1945-1949 (2012)

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We have built a setup with high temporal resolution to measure the very fast photoelastic lensing effect, which is on the scale of microseconds in a Ti:sapphire crystal pumped by very strong laser pulses (up to 5J/cm2). The experimental results measured by this method and the real multimode beam profile taken by a CCD camera are applied to a three-dimensional crystal model to calculate one of the photoelastic constants of Ti:sapphire crystal, which is found to be p31=0.03±0.01. This value is helpful to evaluate the photoelastic lensing effect in Ti:sapphire crystal for a laser beam polarized along the c axis, commonly used for laser amplification.

© 2012 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3380) Lasers and laser optics : Laser materials
(140.3590) Lasers and laser optics : Lasers, titanium
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 23, 2012
Manuscript Accepted: February 8, 2012
Published: April 11, 2012

Wei Zheng and Gunter Lüpke, "Photoelastic lensing effect in Ti:sapphire crystal pumped by high-energy pulses," Appl. Opt. 51, 1945-1949 (2012)

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