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Optics Letters

Optics Letters


  • Vol. 36, Iss. 16 — Aug. 15, 2011
  • pp: 3275–3277

Optofluidic microchannels in aerogel

Limin Xiao and T. A. Birks  »View Author Affiliations

Optics Letters, Vol. 36, Issue 16, pp. 3275-3277 (2011)

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We report optofluidic waveguides made by filling microchannels in aerogel with water. The aerogel cladding is a nanoporous material with an extremely low refractive index of ~ 1.05 , giving a large index step from the water core. Channels were formed by removing embedded optical fibers, which could be nonuniform or multiple. The porosity of the aerogel allowed air to be displaced from the channel, preventing the trapping of bubbles. The attenuation of red light in the highly multimode water core waveguide was no greater than 1.5 dB / cm .

© 2011 Optical Society of America

OCIS Codes
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Optical Devices

Original Manuscript: July 6, 2011
Manuscript Accepted: July 18, 2011
Published: August 15, 2011

Limin Xiao and T. A. Birks, "Optofluidic microchannels in aerogel," Opt. Lett. 36, 3275-3277 (2011)

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