Infrared optics applications of thin polyaniline emeraldine base films

被引:0
作者
Bormashenko, E [1 ]
Pogreb, R [1 ]
Sutovski, S [1 ]
Shulzinger, A [1 ]
Sheshnev, A [1 ]
Izakson, G [1 ]
Katzir, A [1 ]
机构
[1] Coll Judea & Samaria, Res Inst, Lab Polymer & Composite Mat, IL-44837 Ariel, Israel
来源
ORGANIC PHOTONIC MATERIALS AND DEVICES V | 2003年 / 4991卷
关键词
polyaniline emeraldine base; infrared; ZnSe; spectrum; antireflection; coating; laser irradiation damage threshold;
D O I
10.1117/12.473165
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The use of polyaniline emeraldine base films as antireflection coating for near and middle IR optics elements was studied. The optical quality of ZnSe substrates spin-coated with thin PANI EB layers were studied using a Linnik interferometer. The spectral properties of PANI coated ZnSe plates were investigated in broad IR band with FTIR spectrometer. It was shown that PANI coating allows a significant decrease of Fresnel losses in the near and middle IR bands (1.0-6.25 mum). The coating allowed continuous transmission of high power density of IR radiation produced by CO2 laser. The transmission coefficient doesn't depend on the incident laser beam power density (up to 3 W/mm(2)). The laser irradiation damage threshold of the PANI EB coating was studied at a wavelength of 1.5 mum and established as high as 0.1 GW/mm(2) (tau = 12 10(-9)s) for PANI EB coating with a thickness of 150 nm. Microhardness of the PANI EB coated ZnSe plates was established as satisfactory.
引用
收藏
页码:445 / 451
页数:7
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