SONG Bao-An, WANG Qiao-Fang, ZHANG Ying-Zhao, DAI Shi-Xun, XU Tie-Feng, NIE Qiu-Hua, WANG Xun-Si, SHEN Xiang, WU Li-Gang, LIN Chang-Gui. Optical inhomogeneity of IR Se-based chalcogenide glasses and influencing factor analysis[J]. Infrared and Laser Engineering, 2012, 41(8): 1985-1989.
| Citation:
|
SONG Bao-An, WANG Qiao-Fang, ZHANG Ying-Zhao, DAI Shi-Xun, XU Tie-Feng, NIE Qiu-Hua, WANG Xun-Si, SHEN Xiang, WU Li-Gang, LIN Chang-Gui. Optical inhomogeneity of IR Se-based chalcogenide glasses and influencing factor analysis[J]. Infrared and Laser Engineering, 2012, 41(8): 1985-1989.
|
Optical inhomogeneity of IR Se-based chalcogenide glasses and influencing factor analysis
- 1.
The Faculty of Information Science and Engineering,Ningbo University,Ningbo 315211,China;
- 2.
Kunming Institute of Physics,Kunming 650223,China;
- 3.
The Faculty of Materials Science and Chemical Engineering,Ningbo University,Ningbo 315211,China
-
Abstract
Aiming at the difficulties of charactering the optical inhomogeneity of opaque Ge-Sb-Se chalcogenide glasses(internal stripes, cracks, bubbles, uniformity, etc.), a new method was proposed which used the transmission image, line spread function and modulation transfer function(MTF), and the corresponding detection device was also established. On this basis, we studied the internal defects and optical inhomogeneity of the self-made Ge28Sb12Se60(mol%)chalcogenide glass and analyzed the influence of sample flatness and parallelism influence on the test results. The results show the near infrared imaging can clearly detect the stripes distribution and defects in the sample, the line spread function and MTF can characterize the inhomogeneity features semi-quantitatively. The experimental and theoretical average of MTF is with a difference of less than 10% when the surface aperature of samples is less than 1.
-
References
|
[1]
|
|
|
[2]
|
Chen Guorong, Zhang Xianghua. Development of fine molded chalcogenide glasses for IR night vision [J]. Bull Chin Ceram Soc, 2004, 23(1): 3-7. (in Chinese) |
|
[3]
|
|
|
[4]
|
Luo Shoujun, Huang Fuyuan, Zhan Daojiao, et al. Development of chalcogenide glasses for infrared thermal imaging system [J]. Laser ＆ Infrared, 2010, 40(1): 9-13. (in Chinese) |
|
[5]
|
|
|
[6]
|
Chen Guorong. Studies on passive and active optical properties of chalcogenide glasses [J]. Journal of the Chinese Ceramic Society, 2007, 35(S1): 44-58. (in Chinese) |
|
[7]
|
Wang Dongwei, Zhang Xusheng, He Chuan, et al. Objective evaluation method for MRTD of IR thermal imager [J]. Infrared and Laser Engineering, 2010, 39(4): 611-613. (in Chinese) |
|
[8]
|
|
|
[9]
|
Tang Gao, Chen Wei, Luo Lan. Influence of structural modification on properties of Dy3+-doped chalcohalide glass infrared fluorescence [J]. Infrared and Laser Engineering, 2010, 39(1): 26-30. (in Chinese) |
|
[10]
|
|
|
[11]
|
Kulakova N A, Nasyrov A R, Nesmelova I M. Current trends in creating optical systems for the IR region [J]. J Opt Technol, 2010, 77(5): 324-330. |
|
[12]
|
|
|
[13]
|
Ray Hilton, Chalcogenide Glasses for Infrared Optics[M]. New York: McGraw Hill, 2010: 131-148. |
|
[14]
|
|
|
[15]
|
|
|
[16]
|
Li Xishan, Chiang Anmin, Sha Chingshung. Discussion on the methods of measuring the homogeneity of optical materials [J]. Journal of the Chinese Ceramic Society, 1978, 6(3): 149-165. (in Chinese) |
|
[17]
|
Nie Qiuhua, Wang Guoxiang, Wang Xunsi, et al. Effect of Ga on optical of novel Te-based far infrared transmitting chalcogenide glasses[J]. Acta Phys Sin, 2010, 59(11): 7949-7955. (in Chinese) |
|
[18]
|
|
|
[19]
|
Shen Xiang, Nie Qiuhua, Xu Tiefeng, et al. Optical properties and crystallization of GeSe2-Sb2Se3-CsCl glasses [J]. Acta Phys Sin, 2010, 59(3): 2045-2050. (in Chinese) |
-
-
Proportional views
-
DownLoad: