Ultraviolet optical properties of MgF2 coatings deposited by resistance boat evaporation at different temperatures

Shuzhen Shang; Jian Shen; Kui Yi; Yunxia Jin; Jianda Shao; Zhengxiu Fan

doi:10.1117/12.667711

23 January 2006 Ultraviolet optical properties of MgF2 coatings deposited by resistance boat evaporation at different temperatures

Shuzhen Shang, Jian Shen, Kui Yi, Yunxia Jin, Jianda Shao, Zhengxiu Fan

Author Affiliations +

Proceedings Volume 6029, ICO20: Materials and Nanostructures; 60290V (2006) https://doi.org/10.1117/12.667711
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Single layers of MgF2 were deposited upon super polished fused-silica substrates by resistance boat evaporation at different temperatures. The transmittance and reflectance spectra were measured and the optical losses were analyzed. The laser-induced damage thresholds (LIDT) were characterized at the wavelength of 355nm for certain samples. The absorbance of the samples was discussed related to the LIDT. The increasing absorbance with the higher deposited temperature was attributed to the decreasing of the LIDT. And the high micro-defect density of the sample surface resulted in the low LIDT.

Citation Download Citation

Shuzhen Shang, Jian Shen, Kui Yi, Yunxia Jin, Jianda Shao, and Zhengxiu Fan "Ultraviolet optical properties of MgF2 coatings deposited by resistance boat evaporation at different temperatures", Proc. SPIE 6029, ICO20: Materials and Nanostructures, 60290V (23 January 2006); https://doi.org/10.1117/12.667711

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