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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 14, Iss. 4 — Dec. 25, 2010
  • pp: 395–402

A Compact Tunable VCSEL and a Built-in Wavelength Meter for a Portable Optical Resonant Reflection Biosensor Reader

Hyun-Sung Ko, Bong-Kyu Kim, Kyung-Hyun Kim, Chul Huh, Wan-Joong Kim, Jong-Cheol Hong, Seon-Hee Park, Seong-Seok Yang, Ho-Jin Jang, and Gun-Yong Sung  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 14, Issue 4, pp. 395-402 (2010)


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Abstract

This study reports a portable and precision photonic biosensor reader that can measure the concentration of a particular antigen using an optical resonant reflection biosensor (ORRB). To create a compact biosensor reader, a compact tunable vertical-cavity surface-emitting laser (VCSEL) and a compact built-in wavelength meter were manufactured. The wavelength stability and accuracy of the compact built-in wavelength meter were measured to be less than 0.02 nm and 0.06 nm, respectively. The tunable VCSEL emission wavelength was measured with the compact built-in wavelength meter, it has a fast sweep time (~ 10 seconds) and a wide tuning range (> 4 nm) that are sufficient for biosensor applications based on ORRB. The reflection spectrum of a plastic based ORRB chip was measured by the fabricated portable photonic biosensor reader using the VCSEL and wavelength meter. Although the reader is the size of a palmtop device, it could make a precise measurement of the peak wavelength on equal terms with a conventional bulky optical spectrometer.

© 2010 Optical Society of Korea

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(140.3600) Lasers and laser optics : Lasers, tunable
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(280.1415) Remote sensing and sensors : Biological sensing and sensors

History
Original Manuscript: May 13, 2010
Revised Manuscript: August 18, 2010
Manuscript Accepted: September 7, 2010
Published: December 25, 2010

Citation
Hyun-Sung Ko, Bong-Kyu Kim, Kyung-Hyun Kim, Chul Huh, Wan-Joong Kim, Jong-Cheol Hong, Seon-Hee Park, Seong-Seok Yang, Ho-Jin Jang, and Gun-Yong Sung, "A Compact Tunable VCSEL and a Built-in Wavelength Meter for a Portable Optical Resonant Reflection Biosensor Reader," J. Opt. Soc. Korea 14, 395-402 (2010)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-14-4-395


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