[1] Chen Chaoping, Shi Jiantao, Guo Rui, et al.. Design and preparation of mid-infrared bandpass filter[J]. Journal of Applied Optics, 2012, 33(3): 595-598.

[2] Zhang Baisen, Chen Tao, Xiong Yuqing, et al.. Design and preparation of medium-wave infrared short-wavelength pass filter[J]. Vacuum & Cryogenics, 2010, 16(3): 148-152.

[3] Zhang Long, Chen Lei, Fan Youyu, et al.. Development of mid-infrared transmitting glasses window and applications[J]. Acta Optica Sinica, 2011, 31(9): 0900134.

[4] Wang Bo, Wu Xinjian. Infrared image gray level transformation system based on Nios II[J]. Optics & Optoelectronic Technology, 2007, 5(2): 45-47.

[5] Liu Xiufeng, Wang Xingdong, Pei Yun, et al.. Lighting system based on image gray value adaptive control[J]. Chinese Journal of Electron Devices, 2015, 38(2): 269-273.

[6] Li Na. Digital image enhancement by gray-scale transformation method[J]. Journal of Beijing Polytechnic College, 2009, 3(18): 36-39.

[7] Costich V R. Reduction of polarization effects in interference coating[J]. Appl Opt, 1970, 9(4): 866-870.

[8] I S Gainutdinov, E A Nesmelov, R D Aliakberov. Quality criterion for determining the optimum parameters of broad-band spectral splitters[J]. Journal of Optical Technology, 2003, 70(5): 373-376.

[9] E N Kotlikov, V N Prokashev, E V Khonineva, et al.. Synthesizing beamsplitter coatings[J]. Journal of Optical Technology, 2001, 68(8): 580-583.

[10] Luo Haihan, Liu Dingquan, Yin Xin, et al.. Packing density of germanium thin films at different deposited temperature[J]. Opto-Electronic Engineering, 2011, 38(12): 90-93.

[11] Que Lizhi. Study of a 3 μm to 13 μm wideband infrared beamsplitter[J]. Infrared Technology, 2011, 33(12): 695-698.

[12] Gao Xiaodan. Design of infrared non-polarizing anti-reflective film of 3~5 μm at variable incidence angle[J]. Laser & Optoelectronics Progress, 2013, 50(3): 033101.

[13] Fu Xiuhua, Xiong Shifu, Liu Dongmei, et al.. Study and fabricate of TV goniometry optics composite film[J]. Acta Photonica Sinica, 2015, 44(11): 1131003.

[14] Liu Huasong, Ji Yiqin, Zhang Feng, et al.. Dispersive properties of optical constants of some metallic oxide thin films in the mid-infrared regions[J]. Acta Optica Sinica, 2014, 34(8): 0831003.

[15] Duan Weibo, Liu Dingquan, Zhang Fengshan, et al.. Study on optical properties of two thin film materials in medium-wave infrared band[J]. Acta Optica Sinica, 2009, 29(s1): 177-180.

[16] Fu Xiuhua, Zhang Yushuai, Kou Yang, et al.. Study and fabrication of multi-channel filter film in free-space laser communication system[J]. Chinese J Lasers, 2015, 42(4): 0407001.

[17] Tang Jinfa, Gu Peifu, Liu Xu, et al.. Modern optical thin film technology[M]. Zhejiang: Zhejiang University Press, 2006: 118-123.

[18] Fu Xiuhua, Kou Yang, Liu Dongmei, et al.. Research of ultraviolet filter film in solar blind communication system[J]. Acta Optica Sinica, 2014, 34(7): 0731001.