Design and fabrication of visible and infrared laser HR coating

Meixuan Li; Lianhe Dong; Lei Zhang; Boqi Wu; Jun Ma

doi:10.1117/12.2068012

6 August 2014 Design and fabrication of visible and infrared laser HR coating

Meixuan Li, Lianhe Dong, Lei Zhang, Boqi Wu, Jun Ma

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 928128 (2014) https://doi.org/10.1117/12.2068012
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

In view of the special requirements of the high power laser spectral bands and the incident angle, plate dual wavelength laser high reflecting membrane on the K9 optical glass by using electron beam evaporation deposition. Under the condition of vertical incidence, the reflectivity of 532 nm wavelength is higher than 90%; Under the condition of plus or minus 45 ° incident angle, the reflectivity of 1064 nm wavelength at near infrared band is higher than 99.9%. Through material selection, optimization of process parameters and the method of the ion source assisted deposition to improve the membrane layer density and membrane base binding strength, laser-damaged threshold and meet the requirements of the use of optical instruments under certain environmental conditions.

Citation Download Citation

Meixuan Li, Lianhe Dong, Lei Zhang, Boqi Wu, and Jun Ma "Design and fabrication of visible and infrared laser HR coating", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 928128 (6 August 2014); https://doi.org/10.1117/12.2068012

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