Damage threshold dependence of optical coatings on substrate materials

Wu Zhou-ling; Fan Zheng-xiu; Gao Yang; Wang Zhi-jiang

Damage threshold dependence on substrate materials was investigated of TiO2,ZrO2,SiO2,MgF2,ZnS single and TiO2/SiO2 multilayers.The results show that the damage threshold increases with increasing substrate thermal conductivity for single layers and AR coatings and remains the same for HR coatings.With the help of localized absorption measurement and in-situ damage process analysis,these phenomena were well correlated with local-absorption-initiated thermal damage mechanism.

1. Shanghai Institute of Optics and Fine Mechanics, Academia Sinica;

2. Shanghai Institute of Applied Mechanics

Received Date: 1989-11-06

Available Online: 1990-05-25

Abstract: Damage threshold dependence on substrate materials was investigated of TiO2,ZrO2,SiO2,MgF2,ZnS single and TiO2/SiO2 multilayers.The results show that the damage threshold increases with increasing substrate thermal conductivity for single layers and AR coatings and remains the same for HR coatings.With the help of localized absorption measurement and in-situ damage process analysis,these phenomena were well correlated with local-absorption-initiated thermal damage mechanism.

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Reference (19)

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Damage threshold dependence of optical coatings on substrate materials

Abstract

References

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