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09:57
Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
Published on: July 25, 2022
Broadband source generated by stimulated Raman scattering and four-wave mixing in a highly nonlinear optical fiber
Yan Wang1, Wei Zhang, Qing Wang
1Department of Electronic Engineering, Tsinghua University, Beijing 100084, China. wangyan99@mails.tsinghua.edu.cn
Optics Letters
|May 4, 2004
Abstract:
A novel high-power broadband source based on the combined action of stimulated Raman scattering and parametric four-wave mixing in a highly nonlinear dispersion-shifted fiber ring cavity is investigated experimentally. An output spectrum of 1510-1580 nm with a stable power of 91 mW is demonstrated with a dual-wavelength pumping scheme.
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A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
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