Chinese Optics Letters, 2011, 9 (2): 023101, Published Online: Mar. 3, 2011  

Influence of APS bias voltage on properties of HfO2 and SiO2 single layer deposited by plasma ion-assisted deposition Download: 755次

Author Affiliations
1 Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
Abstract
HfO2 and SiO2 single layer is deposited on glass substrate with plasma ion assistance provided by Leybold advanced plasma source (APS). The deposition is performed with a bias voltage in the range of 70-130 V for HfO2, and 70-170 V for SiO2. Optical, structural, mechanical properties, as well as absorption and laser induced damage threshold at 1064 nm of HfO2 and SiO2 single layer deposited with the plasma ion assistance are systematically investigated. With the increase of APS bias voltage, coatings with higher refractive index, reduced surface roughness, and higher laser-induced damage threshold (LIDT) are obtained, and no significant change of the absorption at 1064 nm is observed. For HfO2, a bias voltage can be identified to achieve coatings without any stress. However, too-high bias voltage can cause the increase of surface roughness and stress, and decrease the LIDT. The bias voltage can be properly identified to achieve coatings with desired properties.

Meiping Zhu, Kui Yi, Zhengxiu Fan, Jianda Shao. Influence of APS bias voltage on properties of HfO2 and SiO2 single layer deposited by plasma ion-assisted deposition[J]. Chinese Optics Letters, 2011, 9(2): 023101.

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