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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 13 — May. 1, 2005
  • pp: 2553–2557

Second-order hot image from a scatterer in high-power laser systems

Liangping Xie, Jianlin Zhao, and Feng Jing  »View Author Affiliations


Applied Optics, Vol. 44, Issue 13, pp. 2553-2557 (2005)
http://dx.doi.org/10.1364/AO.44.002553


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Abstract

A theory is developed for predicting a second-order hot-image formation in high-power laser systems. Light diffracted from a small optical scatterer interferes with an intense original wave in the nonlinear medium to produce a hologram like a Fresnel-zone plate. The theoretical model shows that the hologram produces a negative first-order diffractive wave focused to the traditional hot image and negative second-order diffraction that causes another intense image, namely, a second-order hot image. It is found by analysis that the location of the second-order hot image arises in a downstream plane with a half-distance from the medium to the scatterer. Results of the numerical calculations show that the peak intensity of the nonlinear image may reach a level high enough to damage optical components with the increase of the breakup integral (B integral), indicating that the image may also potentially damage expensive optical components in high-power laser systems.

© 2005 Optical Society of America

OCIS Codes
(090.1970) Holography : Diffractive optics
(140.3330) Lasers and laser optics : Laser damage
(140.3570) Lasers and laser optics : Lasers, single-mode
(260.5950) Physical optics : Self-focusing

History
Original Manuscript: September 2, 2004
Revised Manuscript: November 28, 2004
Manuscript Accepted: November 29, 2004
Published: May 1, 2005

Citation
Liangping Xie, Jianlin Zhao, and Feng Jing, "Second-order hot image from a scatterer in high-power laser systems," Appl. Opt. 44, 2553-2557 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-13-2553

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