| 含氢非晶碳膜(a-C:H)红外光学特性的研究 |
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| 引用本文： | 潘永强,吴振森. 含氢非晶碳膜(a-C:H)红外光学特性的研究[J]. 红外与激光工程, 2006, 35(6): 777-779 |
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| 作者姓名： | 潘永强 吴振森 |
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| 作者单位： | 西安电子科技大学理学院,陕西,西安,710071;西安工业大学,光电工程学院,陕西,西安,710032;西安电子科技大学理学院,陕西,西安,710071 |
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| 摘 要： | 采用端部霍尔离子源在硅基底上制备了含氢非晶碳膜（a-C:H），并测量了4 000~1 500 cm-1的红外透射光谱。基于单层薄膜的透射关系，获得了仅有六个拟合参数的光学常数计算模型。利用该模型，可以同时获得薄膜在宽波段范围内的光学常数和厚度:折射率的最大值为1.94，消光系数的最大值为0.014 9，拟合薄膜厚度为617 nm 。
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| 关 键 词： | 含氢非晶碳膜 光学常数 曲线拟合 |
| 文章编号： | 1007-2276(2006)06-0777-03 |
| 收稿时间： | 2005-11-20 |
| 修稿时间： | 2006-01-06 |
Infrared optical properties of hydrogenated amorphous carbon films (a-C:H) |
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| PAN Yong-qiang,WU Zhen-sen. Infrared optical properties of hydrogenated amorphous carbon films (a-C:H)[J]. Infrared and Laser Engineering, 2006, 35(6): 777-779 |
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| Authors: | PAN Yong-qiang WU Zhen-sen |
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| Affiliation: | 1.School of Science, Xidian University, Xi′an 710071, China; 2. School of Photo-electricity Engineering, Xi′an Technological University, Xi’an, 710032, China |
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| Abstract: | Hydrogenated amorphous carbon thin films were deposited on silicon substrates using endhall plasma ion source. The optical properties of amorphous carbon thin films were investigated in the wavelength range of 4 000-1 500 cm^-1. Meanwhile, based on the transmittance relations of single layer film on the transparent substrate, the computation model with six fitting parameters was developed to calculate the optical constants. The optical constants of thin films in the wide wavelength range and the film thickness were obtained by the model simultaneously. The maximum values of the refractive index and extinction coefficient are 1.94 and 0.014 9, respectively. The film thickness by the fitting is 617 nm. |
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| Keywords: | Hydrogenated amorphous carbon thin films Optical constants Curve fitting |
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