Abstract

We present a novel architecture for a fiber-based hybrid laser system for coherent Raman microscopy, combining an amplified Er:fiber femtosecond oscillator with a Tm:fiber amplifier boosting the power of the 2-μm portion of a supercontinuum up to 300 mW. This is enough to obtain, by means of nonlinear spectral compression, sub-20cm1 wide pump and Stokes pulses with 25003300cm1 frequency detuning and average power at the 100-mW level. Application of this system to stimulated Raman scattering microscopy is discussed.

© 2014 Optical Society of America

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