24 June 1993 Relaxation of dielectric thin films under Ar+ laser irradiation
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Ar+ laser irradiation can produce change, most of the time decrease, in optical absorption of various electron beam deposited (EBD) dielectric thin films. Similar phenomena were also found in bulk materials prepared under high pressure and high temperature conditions. In this paper we report our recent progress in understanding the problem by employing a relaxation function which can fit the in-situ measured time dependent change in absorption of various dielectric thin films. Results of SiO2, TiO2, Ta2O5, ZrO2, HfO2 films and SiO2 bulk samples were reported and compared.
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Zhouling Wu, Zhouling Wu, C. Z. Tan, C. Z. Tan, J. Arndt, J. Arndt, Zhengxiu Fan, Zhengxiu Fan, } "Relaxation of dielectric thin films under Ar+ laser irradiation", Proc. SPIE 1848, 24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992, (24 June 1993); doi: 10.1117/12.147427; https://doi.org/10.1117/12.147427

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