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中国科学院 长春光学精密机械与物理研究所 光学系统先进制造技术重点实验室,吉林 长春,130033
[ "王彤彤(1979-), 男, 吉林长春人, 博士, 主要从事光学薄膜的理论及制备的研究。 E-mail: wangtongtong@126.com, Tel: (0431)86176033" ]
纸质出版日期:2013-3-10,
收稿日期:2012-12-7,
修回日期:2013-1-20,
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王彤彤. 霍尔离子源辅助制备长波红外碳化锗增透膜[J]. 发光学报, 2013,34(3): 319-323
WANG Tong-tong. Fabrication of The Long-wave Infrared Germanium Carbide Antireflection Coatings by End-Hall Ion Source[J]. Chinese Journal of Luminescence, 2013,34(3): 319-323
王彤彤. 霍尔离子源辅助制备长波红外碳化锗增透膜[J]. 发光学报, 2013,34(3): 319-323 DOI: 10.3788/fgxb20133403.0319.
WANG Tong-tong. Fabrication of The Long-wave Infrared Germanium Carbide Antireflection Coatings by End-Hall Ion Source[J]. Chinese Journal of Luminescence, 2013,34(3): 319-323 DOI: 10.3788/fgxb20133403.0319.
为了提高锗基底的透过率和环境适应性
镀制了增透保护膜。应用电子枪蒸发加霍尔离子源辅助的方法沉积了碳化锗(Ge
1-
x
C
x
)薄膜。通过固定霍尔离子源参数
控制沉积速率的工艺得到了不同光学常数的碳化锗薄膜。X射线衍射(XRD)测试表明
所制备的碳化锗薄膜在不同的沉积速率下均为无定形结构。采用傅立叶变换红外(FTIR)光谱仪测量了试片的透过率
使用包络法获得了相应工艺条件下的光学常数。在锗基底上双面镀制碳化锗增透膜后
长波红外7.5~11.5 m波段的平均透过率
T
ave
>
85%。经过环境实验之后的碳化锗膜层完好
证明碳化锗增透膜具有良好的环境适应性。
The antireflective and protective coatings were deposited on the germanium substrates to improve the transmittance and the environmental adaptability. The germanium carbide (Ge
1-
x
C
x
) coatings were successfully fabricated.The pure germanium was evaporated by the e-gun
and the methane was directly ionized by End-Hall ion source.The different optical constants of the germanium carbide coatings were obtained by controlling the deposition rate and fixing End-Hall ion source parameters. The germanium carbide coatings with different deposition rates were all amorphous tested by X-ray diffraction. The optical constants were calculated by the envelope method from the transmittance data measured by Fourier transform infrared (FTIR) spectrometer. After double-side depositing the germanium carbide coatings on the germanium substrate
an average transmittance
T
ave
>
85% was achieved in the long-wave infrared region of 7.5~11.5 m. After the environment tests
the germanium carbide coating was fine
this indicates the germanium carbide coating has great environmental adaptability.
碳化锗长波红外增透膜离子辅助霍尔离子源
germanium carbidelong-wave infrared antireflection coatingsion source assistingEnd-Hall ion source
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