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Multiple ultrashort pulse damage of coated beta barium borate

Allenspacher, P. and Riede, W. and Baehnisch, R. (2003) Multiple ultrashort pulse damage of coated beta barium borate. Boulder Damage Symposium, Boulder CO, USA, 21.-24.9.2003.

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Abstract

An investigation of ultra short pulse damage threshold of AR coated beta-barium borate (BBO) used for SHG or as Q-switching material has been carried out. As a laser source, a CPA Ti:Sapphire laser system operating at a wavelength of 775 nm tuned to various pulse durations (150 fs, 1 ps, 3 ps) has been used. The online damage detection system is based on a scatter probe unit. It is capable of counting the number of pulses prior to damage and logging of the damage level, and allows the interruption of irradiation immediately after damage. For S-on-1 irradiation and pulse numbers of 104 per site, a LIDTs of 0.3, 0.8 and 1.9 J/cm^2 were detected for the given pulse durations.Characteristic damage curves were measured according to the ISO standard 11254 2.0. Coating delamination was observed as the damage morphology.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Multiple ultrashort pulse damage of coated beta barium borate
Authors:
AuthorsInstitution or Email of Authors
Allenspacher, P.UNSPECIFIED
Riede, W.UNSPECIFIED
Baehnisch, R.UNSPECIFIED
Date:2003
Status:Published
Keywords:Keywords: Ultra short pulse damage, beta-barium borate, BBO, Ti:Sapphire laser, multipulse irradiation, S-on-1 LIDT
Event Title:Boulder Damage Symposium, Boulder CO, USA, 21.-24.9.2003
Organizer:SPIE
HGF - Research field:Energy
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Energy
DLR - Program:L - no assignement
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Dr.rer.nat. Hans-Albert Eckel
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 14:49

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