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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4154–4157

Fiber optical parametric oscillator for coherent anti-Stokes Raman scattering microscopy

Erin S. Lamb, Simon Lefrancois, Minbiao Ji, William J. Wadsworth, X. Sunney Xie, and Frank W. Wise  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4154-4157 (2013)
http://dx.doi.org/10.1364/OL.38.004154


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Abstract

We present a synchronously pumped fiber optical parametric oscillator for coherent anti-Stokes Raman scattering microscopy. Pulses from a 1 μm Yb-doped fiber laser are amplified and frequency converted to 779–808 nm through normal dispersion four-wave mixing in a photonic crystal fiber. The idler frequency is resonant in the oscillator cavity, and we find that bandpass filtering the feedback is essential for stable, narrow-bandwidth output. Experimental results agree quite well with numerical simulations of the device. Transform-limited 2 ps pulses with energy up to 4 nJ can be generated at the signal wavelength. The average power is 180 mW, and the relative-intensity noise is much lower than that of a similar parametric amplifier. High-quality coherent Raman images of mouse tissues recorded with this source are presented.

© 2013 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.7140) Ultrafast optics : Ultrafast processes in fibers
(180.5655) Microscopy : Raman microscopy

ToC Category:
Microscopy

History
Original Manuscript: July 9, 2013
Revised Manuscript: August 23, 2013
Manuscript Accepted: September 9, 2013
Published: October 10, 2013

Citation
Erin S. Lamb, Simon Lefrancois, Minbiao Ji, William J. Wadsworth, X. Sunney Xie, and Frank W. Wise, "Fiber optical parametric oscillator for coherent anti-Stokes Raman scattering microscopy," Opt. Lett. 38, 4154-4157 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4154

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