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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 5 — Feb. 10, 2013
  • pp: 1076–1085

Approach dealing with the temporal profile of a probe laser pulse in the open-aperture Z-scan

Yong Zhang, Shuyun Wang, Qing Yu, Dayun Wang, Ming Liu, and Peide Zhao  »View Author Affiliations


Applied Optics, Vol. 52, Issue 5, pp. 1076-1085 (2013)
http://dx.doi.org/10.1364/AO.52.001076


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Abstract

An approach is proposed to analyze the two- and three-photon absorption process using the open-aperture Z-scan technique. The normalized transmittance equations of one pulse energy presented here can be used to investigate the effect of different temporal profiles of excitation laser pulses on the nonlinear absorption coefficients (NACs). The numerical simulations show that our method is well in accordance with the usual Z-scan in determination of two- and three-photon absorption coefficients in 0.6–1.0 ranges of nonlinear energy transmittance for the typical pulse models, such as Gaussian, sech 2 , Lorentz, and asymmetric sech 2 models. Our results suggest that the introduced parameter in relation to the pulse envelope in the approach may become a candidate for the parameters taking account of the NAC deviation from the pulse profiles of the probe laser.

© 2013 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3295) Lasers and laser optics : Laser beam characterization
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 7, 2012
Revised Manuscript: January 5, 2013
Manuscript Accepted: January 7, 2013
Published: February 8, 2013

Citation
Yong Zhang, Shuyun Wang, Qing Yu, Dayun Wang, Ming Liu, and Peide Zhao, "Approach dealing with the temporal profile of a probe laser pulse in the open-aperture Z-scan," Appl. Opt. 52, 1076-1085 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-5-1076

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