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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 17 — Jun. 10, 2008
  • pp: 3100–3108

Femtosecond laser micromachining of waveguides in silicone-based hydrogel polymers

Li Ding, Richard I. Blackwell, Jay F. Künzler, and Wayne H. Knox  »View Author Affiliations


Applied Optics, Vol. 47, Issue 17, pp. 3100-3108 (2008)
http://dx.doi.org/10.1364/AO.47.003100


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Abstract

By tightly focusing 27 fs laser pulses from a Ti:sapphire oscillator with 1.3 nJ pulse energy at 93 MHz repetition rate, we are able to fabricate optical waveguides inside hydrogel polymers containing 36 % water by weight. A tapered lensed fiber is used to couple laser light at a wavelength of 632.8 nm into these waveguides within a water environment. Strong waveguiding is observed due to large refractive index changes. A large waveguide propagation loss is found, and we show that this is caused by surface roughness which can be reduced by optimizing the waveguides.

© 2008 Optical Society of America

OCIS Codes
(160.5470) Materials : Polymers
(230.7370) Optical devices : Waveguides
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Optical Devices

History
Original Manuscript: February 29, 2008
Revised Manuscript: May 10, 2008
Manuscript Accepted: May 15, 2008
Published: June 2, 2008

Virtual Issues
Vol. 3, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Li Ding, Richard I. Blackwell, Jay F. Künzler, and Wayne H. Knox, "Femtosecond laser micromachining of waveguides in silicone-based hydrogel polymers," Appl. Opt. 47, 3100-3108 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-17-3100


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