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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 9 — Sep. 4, 2009

Design and fabrication of Poly(dimethylsiloxane) single-mode rib waveguide

Jack Sheng Kee, Daniel Puiu Poenar, Pavel Neuzil, and Levent Yobas  »View Author Affiliations


Optics Express, Vol. 17, Issue 14, pp. 11739-11746 (2009)
http://dx.doi.org/10.1364/OE.17.011739


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Abstract

We have designed, fabricated and characterized poly(dimethylsiloxane) (PDMS) single-mode rib waveguides. PDMS was chosen specifically for the core and cladding. Combined with the soft lithography fabrication techniques, it enables an easy integration of microoptical components for lab-on-a-chip systems. The refractive index contrast, Δ of 0.07% between the core and cladding for single-mode propagation was achieved by modifying the properties of the same base material. Alternatively, a higher refractive index contrast, Δ of 1.18% was shown by using PDMS materials from two different manufacturers. The fabricated rib waveguides were characterized for mode profile characteristics and confirmed the excitation of the fundamental mode of the waveguide. The propagation loss of the single-mode rib waveguide was characterized using the cutback measurement method at a wavelength of 635 nm and found to be 0.48 dB/cm for Δ of 0.07% and 0.20 dB/cm for Δ of 1.18%. Y-branch splitter of PDMS single-mode rib waveguide was further demonstrated.

© 2009 OSA

OCIS Codes
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.7390) Optical devices : Waveguides, planar
(130.5460) Integrated optics : Polymer waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: March 25, 2009
Revised Manuscript: May 15, 2009
Manuscript Accepted: May 16, 2009
Published: June 29, 2009

Virtual Issues
Vol. 4, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Jack Sheng Kee, Daniel Puiu Poenar, Pavel Neuzil, and Levent Yobas, "Design and fabrication of Poly(dimethylsiloxane) single-mode rib waveguide," Opt. Express 17, 11739-11746 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-17-14-11739


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