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Keywords: color centers
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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-4477-6
ISBN: 978-0-8031-4477-4
...%. Transmission measurements were performed for a broad range of pulsewidths from 40 psec to 18 nsec (FWHM) at 532 nm. Our results indicate that the nonlinearity prior to breakdown is mainly attributed to the formation of material defects (color centers) by two-photon absorption (2PA) at high irradiance...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-4477-6
ISBN: 978-0-8031-4477-4
... laser damage in BK-7 X-irradiated to produce color centers. The presence of these centers lowers the damage threshold only modestly. We conclude that optical generation of color centers is not the primary mechanism in multiple pulse damage in these materials. BK-7 bulk damage color centers...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-4479-2
ISBN: 978-0-8031-4479-8
... in which the original thermal diffusion model is valid are pointed out, as well as the potential implications for more appropriate modeling of the absorption process as functions of experimental and material variables. Anomalous Absorption Avalanche Ionization Coatings Color Centers Electron...