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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 24 — Nov. 21, 2011
  • pp: 24583–24588

A narrow band-rejection filter based on block copolymers

Takahiko Yamanaka, Shigeo Hara, and Toru Hirohata  »View Author Affiliations

Optics Express, Vol. 19, Issue 24, pp. 24583-24588 (2011)

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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.

© 2011 OSA

OCIS Codes
(160.5470) Materials : Polymers
(230.0230) Optical devices : Optical devices
(230.1480) Optical devices : Bragg reflectors
(230.5298) Optical devices : Photonic crystals
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Optical Devices

Original Manuscript: September 9, 2011
Revised Manuscript: November 6, 2011
Manuscript Accepted: November 7, 2011
Published: November 16, 2011

Takahiko Yamanaka, Shigeo Hara, and Toru Hirohata, "A narrow band-rejection filter based on block copolymers," Opt. Express 19, 24583-24588 (2011)

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