Fiber-format dual-comb coherent Raman spectrometer

被引：21

作者：

Coluccelli, Nicola ^{[1
,2
]}

Howle, Christopher R. ^{[3
]}

McEwan, Kenneth ^{[3
]}

Wang, Yuchen ^{[1
]}

Fernandez, Toney Teddy ^{[1
]}

Gambetta, Alessio ^{[1
]}

Laporta, Paolo ^{[1
,2
]}

Galzerano, Gianluca ^{[2
]}

机构：

[1] Politecn Milan, Dipartimento Fis, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

[2] CNR, Ist Foton & Nanotecnol, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

[3] Def Sci & Technol Lab, Salisbury SP4 0JQ, Wilts, England

来源：

OPTICS LETTERS | 2017年 / 42卷 / 22期

关键词：

ALL-NORMAL DISPERSION; SCATTERING; SPECTROSCOPY; MICROSCOPY; FREQUENCY; GENERATION;

D O I：

10.1364/OL.42.004683

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a fiber-format system for dual-comb coherent anti-Stokes Raman scattering spectroscopy. The system is based on two ytterbium fiber (Yb) femtosecond lasers at repetition frequencies of 94 MHz, a Yb amplifier, and a photonic crystal fiber for spectral broadening and generation of pulses with a central wavelength of 1040 nm and durations in the sub-20-fs regime. We observed Raman spectra of acetonitrile and ethyl acetate with spectral coverage from 100 to 1300 cm(-1), resolution of 8 cm(-1), and a signal-to-noise ratio of around 100, when averaging over 10 acquisitions. The design is suitable for implementing portable dual-comb coherent Raman spectrometers. (C) 2017 Optical Society of America

引用

页码：4683 / 4686

页数：4

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