Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published November 28, 2005 | Published
Journal Article Open

Integrated microfluidic variable optical attenuator

Abstract

We fabricate and measure a microfluidic variable optical attenuator, which consists of an optical waveguide integrated with a microfluidic channel. An opening is introduced in the upper cladding of the waveguide in order to facilitate the alignment and bonding of the microfluidic channel. By using fluids with different refractive indices, the optical output power is gradually attenuated. We obtain a maximum attenuation of 28 dB when the fluid refractive index changes from 1.557 to 1.584.

Additional Information

© 2005 Optical Society. Received 24 October 2005; revised 18 November 2005; accepted 18 November 2005. The authors thank J. Poon for helpful discussions. Financial support from the National Science Foundation and Defense Advanced Research Projects Agency (Dr. D. Honey and Dr. R. Athale) is gratefully acknowledged.

Attached Files

Published - ZHUoe05.pdf

Files

ZHUoe05.pdf
Files (1.6 MB)
Name Size Download all
md5:93a57932499f3c71e5633caafa4c3847
1.6 MB Preview Download

Additional details

Created:
August 22, 2023
Modified:
October 13, 2023