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Proceedings Paper

A novel notch filter based on block copolymer photonic crystal
Author(s): Shigeo Hara; Takahiko Yamanaka; Toru Hirohata; Minoru Niigaki
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Paper Abstract

We demonstrate filtering characteristics of a polymer notch filter (PNF) with highly-ordered microphase-separated structure of block copolymers (BCPs). This PNF 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.

Paper Details

Date Published: 18 November 2011
PDF: 6 pages
Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 819803 (18 November 2011); doi: 10.1117/12.903540
Show Author Affiliations
Shigeo Hara, Hamamatsu Photonics K. K. (Japan)
Takahiko Yamanaka, Hamamatsu Photonics K. K. (Japan)
Toru Hirohata, Hamamatsu Photonics K. K. (Japan)
Minoru Niigaki, Hamamatsu Photonics K. K. (Japan)


Published in SPIE Proceedings Vol. 8198:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration
Xuping Zhang; P. K. Alex Wai; Hai Ming, Editor(s)

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