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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 3 — Feb. 1, 2011
  • pp: 355–357

Coaxial fiber-optic chemical-sensing excitation–emission matrix fluorometer

Yoon-Chang Kim, James A. Jordan, Diana Chávez, and Karl S. Booksh  »View Author Affiliations

Optics Letters, Vol. 36, Issue 3, pp. 355-357 (2011)

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Great reductions in the overall size and complexity of high throughput multichannel UV–visible fluorometers were achieved by coupling a compact optical fiber array to compact dispersive transmission optics. The coaxial configuration centers on the insertion of a silica/silica optical fiber into the hollow region of a UV-fused silica capillary waveguide. The outer core delivers the maximum power of the narrow wavelength region of the excitation spectrum created by coupling a xenon arc discharge lamp to a compact spectrometer. The molecular fluorescence resulting from the interaction of light emitted at the distal end of the hollow waveguide and the sample matrix is received and transmitted to a CCD via a compact dispersive grating-prism (grism) optical assembly. A linear array of the coaxial optical fibers permits a full excitation–emission matrix spectrum of the analyte matrix to be projected onto the face of the CCD. The in situ identification and monitoring of polycyclic aromatic hydrocarbons was carried out for the initial application testing for this prototype.

© 2011 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(110.2350) Imaging systems : Fiber optics imaging
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote Sensing and Sensors

Original Manuscript: June 1, 2010
Revised Manuscript: August 11, 2010
Manuscript Accepted: September 15, 2010
Published: January 26, 2011

Virtual Issues
Vol. 6, Iss. 3 Virtual Journal for Biomedical Optics

Yoon-Chang Kim, James A. Jordan, Diana Chávez, and Karl S. Booksh, "Coaxial fiber-optic chemical-sensing excitation–emission matrix fluorometer," Opt. Lett. 36, 355-357 (2011)

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