期刊
OPTICS LETTERS
卷 37, 期 10, 页码 1652-1654出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.37.001652
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资金
- National Institutes of Health [EB002019]
- National Science Foundation [BIS-0967949]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0967949] Funding Source: National Science Foundation
We present a fiber-format picosecond light source for coherent anti-Stokes Raman scattering microscopy. Pulses from a Yb-doped fiber amplifier are frequency converted by four-wave mixing (FWM) in normal-dispersion photonic crystal fiber to produce a synchronized two-color picosecond pulse train. We show that seeding the FWM process overcomes the deleterious effects of group-velocity mismatch and allows efficient conversion into narrow frequency bands. The source generates more than 160 mW of nearly transform-limited pulses tunable from 775 to 815 nm. High-quality coherent Raman images of animal tissues and cells acquired with this source are presented. (C) 2012 Optical Society of America
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