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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 22 — Aug. 1, 2012
  • pp: 5432–5437

Three-photon absorption and nonlinear refraction of BaMgF4 in the ultraviolet region

Yanzhi Ma, Junjie Chen, Yuanlin Zheng, and Xianfeng Chen  »View Author Affiliations

Applied Optics, Vol. 51, Issue 22, pp. 5432-5437 (2012)

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The nonlinear refraction and nonlinear absorption phenomena are investigated in BaMgF4 single crystal using the Z-scan technique in the ultraviolet region with a pulsed laser at 400 nm with 1 ps pulse duration. The remarkable nonlinear absorption behavior is identified to be three-photon absorption under the experimental conditions. In addition, both nonlinear refraction and nonlinear absorption have relatively large values and possess small anisotropy along three different crystallographic axes. The large values of nonlinear refractive index are demonstrated through the self-phase modulation effect.

© 2012 Optical Society of America

OCIS Codes
(160.3380) Materials : Laser materials
(160.4330) Materials : Nonlinear optical materials
(190.4400) Nonlinear optics : Nonlinear optics, materials

ToC Category:
Nonlinear Optics

Original Manuscript: May 4, 2012
Revised Manuscript: June 28, 2012
Manuscript Accepted: July 3, 2012
Published: July 26, 2012

Yanzhi Ma, Junjie Chen, Yuanlin Zheng, and Xianfeng Chen, "Three-photon absorption and nonlinear refraction of BaMgF4 in the ultraviolet region," Appl. Opt. 51, 5432-5437 (2012)

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