A narrow band-rejection filter based on block copolymers

被引：4
|
作者：
Yamanaka, Takahiko [1 ]
Hara, Shigeo [1 ]
Hirohata, Toru [1 ]
机构：
[1] HAMAMATSU PHOTON KK, Cent Res Lab, Hamakita Ku, Hamamatsu, Shizuoka 4348601, Japan
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 24期
关键词：
PHOTONIC CRYSTALS; FLOW; GELS;
D O I：
10.1364/OE.19.024583
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate filtering characteristics of a polymer band-rejection filter (PBRF) with highly-ordered microphase-separated structure of block copolymers (BCPs). This PBRF is characterized by an Optical Density > 5 blocking at the center wavelength and narrow blocking full bandwidth of 8 nm. Moreover, the wavelength is easily tuned by blending two BCPs with different molecular-weight. A low frequency Raman shift of 200 cm(-1) are, in fact, detected with a sufficient resolution by using this filter in Raman spectroscopy. (C) 2011 Optical Society of America
引用
收藏
页码：24583 / 24588
页数：6
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