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

Erin S. Lamb, Simon Lefrancois, Minbiao Ji, William J. Wadsworth, X. Sunney Xie, Frank W. Wise

Research output: Contribution to journalArticle

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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.
Original languageEnglish
Pages (from-to)4154-4157
Number of pages4
JournalOptics Letters
Volume38
Issue number20
DOIs
Publication statusPublished - 15 Oct 2013

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parametric amplifiers
optical fibers
Raman spectra
microscopy
noise intensity
pulses
four-wave mixing
fiber lasers
mice
resonant frequencies
oscillators
photonics
bandwidth
cavities
fibers
output
wavelengths
crystals
simulation
energy

Cite this

Fiber optical parametric oscillator for coherent anti-Stokes Raman scattering microscopy. / Lamb, Erin S.; Lefrancois, Simon; Ji, Minbiao; Wadsworth, William J.; Sunney Xie, X.; Wise, Frank W.

In: Optics Letters, Vol. 38, No. 20, 15.10.2013, p. 4154-4157.

Research output: Contribution to journalArticle

Lamb, Erin S. ; Lefrancois, Simon ; Ji, Minbiao ; Wadsworth, William J. ; Sunney Xie, X. ; Wise, Frank W. / Fiber optical parametric oscillator for coherent anti-Stokes Raman scattering microscopy. In: Optics Letters. 2013 ; Vol. 38, No. 20. pp. 4154-4157.
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