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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 3 — Feb. 10, 2010

UV waveguides light fabricated in fluoropolymer CYTOP by femtosecond laser direct writing

Yasutaka Hanada, Koji Sugioka, and Katsumi Midorikawa  »View Author Affiliations

Optics Express, Vol. 18, Issue 2, pp. 446-450 (2010)

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We have fabricated optical waveguides inside the UV-transparent polymer, CYTOP, by femtosecond laser direct writing for propagating UV light in biochip applications. Femtosecond laser irradiation is estimated to increase the refractive index of CYTOP by 1.7 × 10−3 due to partial bond breaking in CYTOP. The waveguide in CYTOP has propagation losses of 0.49, 0.77, and 0.91 dB/cm at wavelengths of 632.8, 355, and 266 nm, respectively.

© 2010 OSA

OCIS Codes
(250.5460) Optoelectronics : Polymer waveguides
(320.7090) Ultrafast optics : Ultrafast lasers
(350.3390) Other areas of optics : Laser materials processing
(250.4745) Optoelectronics : Optical processing devices

ToC Category:

Original Manuscript: September 17, 2009
Revised Manuscript: November 6, 2009
Manuscript Accepted: November 17, 2009
Published: January 4, 2010

Virtual Issues
Vol. 5, Iss. 3 Virtual Journal for Biomedical Optics

Yasutaka Hanada, Koji Sugioka, and Katsumi Midorikawa, "UV waveguides light fabricated in fluoropolymer CYTOP by femtosecond laser direct writing," Opt. Express 18, 446-450 (2010)

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