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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 22 — Nov. 15, 2007
  • pp: 3254–3256

Differential two-signal picosecond-pulse coherent anti-Stokes Raman scattering imaging microscopy by using a dual-mode optical parametric oscillator

Yong Shim Yoo, Dong-Hoon Lee, and Hyuck Cho  »View Author Affiliations


Optics Letters, Vol. 32, Issue 22, pp. 3254-3256 (2007)
http://dx.doi.org/10.1364/OL.32.003254


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Abstract

We propose and demonstrate a novel differential two-signal technique of coherent anti-Stokes Raman scattering (CARS) imaging microscopy using a picosecond (ps) optical parametric oscillator (OPO). By adjusting a Lyot filter inside the cavity, we operated the OPO oscillating in two stable modes separated by a few nanometers. The CARS images generated by the two modes are separated by a spectrograph behind the microscope setup, and their differential image is directly obtained by balanced lock-in detection. The feasibility of the technique is experimentally verified by imaging micrometer-sized polystyrene beads immersed in water.

© 2007 Optical Society of America

OCIS Codes
(170.6900) Medical optics and biotechnology : Three-dimensional microscopy
(180.0180) Microscopy : Microscopy
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering

ToC Category:
Spectroscopy

History
Original Manuscript: August 14, 2007
Revised Manuscript: September 29, 2007
Manuscript Accepted: October 9, 2007
Published: November 1, 2007

Virtual Issues
Vol. 2, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Yong Shim Yoo, Dong-Hoon Lee, and Hyuck Cho, "Differential two-signal picosecond-pulse coherent anti-Stokes Raman scattering imaging microscopy by using a dual-mode optical parametric oscillator," Opt. Lett. 32, 3254-3256 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-22-3254

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