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Role of two-photon absorption in Ta2O5 thin films in nanosecond laser-induced damage |
Optics Letters, Vol. 37, Issue 20, pp. 4329-4331 (2012)
http://dx.doi.org/10.1364/OL.37.004329
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Abstract
Laser-induced damage in the nanosecond domain has been connected to the heating
and breakdown of local defects within the thin film and the various interfaces.
Within the femtosecond regime, the damaging events can be traced back to
multiphoton-based excitation into the conduction band. When critical electron
density is exceeded, an optical
breakdown will occur. In this Letter we report on evidence that two-photon
absorption also significantly triggers laser-induced damage in
© 2012 Optical Society of America
OCIS Codes
(140.3330) Lasers and laser optics : Laser damage
(310.6870) Thin films : Thin films, other properties
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: August 6, 2012
Manuscript Accepted: September 8, 2012
Published: October 12, 2012
Citation
Lars Jensen, Mathias Mende, Stefan Schrameyer, Marco Jupé, and Detlev Ristau, "Role of two-photon absorption in Ta2O5 thin films in nanosecond laser-induced damage," Opt. Lett. 37, 4329-4331 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4329
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