Rejection of Background Light Using Single-Wavelength Detection in Nonlinear Raman Spectroscopy

1997 ◽  
Vol 51 (3) ◽  
pp. 376-379 ◽  
Author(s):  
Peter C. Chen
Keyword(s):  
Raman Spectroscopy ◽  
Gas Phase ◽  
Raman Spectra ◽  
Optical Parametric Oscillator ◽  
Temporal Discrimination ◽  
Parametric Oscillator ◽  
Background Light ◽  
Optical Parametric ◽  
High Level ◽  
Wavelength Detection

A new method for single-wavelength detection (SWD) spectroscopy has been developed with the use of synchronous scanning of an optical parametric oscillator (OPO). With the combination of SWD with spatial and temporal discrimination, a high level of background light rejection is achieved. Results show sufficient ambient room light rejection for obtaining complete gas-phase nonlinear Raman spectra with no detectable signs of interference.

scholarly journals Low-repetition-rate all-fiber integrated optical parametric oscillator for coherent anti-Stokes Raman spectroscopy

2018 ◽  
Vol 26 (13) ◽  
pp. 17519 ◽  
Author(s):  
Kangwen Yang ◽  
Shikai Zheng ◽  
Yuxing Wu ◽  
Pengbo Ye ◽  
Kun Huang ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Optical Parametric Oscillator ◽  
Repetition Rate ◽  
Parametric Oscillator ◽  
Optical Parametric ◽  
Integrated Optical ◽  
Anti Stokes

Low-Frequency Raman Spectra Using Synchronously Scanned Optical Parametric Oscillator CARS

1997 ◽  
Vol 51 (11) ◽  
pp. 1678-1681
Author(s):  
Peter C. Chen ◽  
Michon Pinnix
Keyword(s):  
Optical Parametric Oscillator ◽  
Rayleigh Scattering ◽  
Low Frequency ◽  
Parametric Oscillator ◽  
Stray Light ◽  
Raman Signal ◽  
Optical Parametric ◽  
A New Technique ◽  
Wavelength Detection ◽  
Anti Stokes

Synchronously scanned optical parametric oscillator (OPO) coherent anti-Stokes Raman spectroscopy (CARS) is a new technique that can be used with single-wavelength detection in order to reject background stray light and eliminate spectral interference. In this paper, results are presented illustrating the use of this method to also reject stray light from Rayleigh scattering without attenuation of the Raman signal, resulting in the ability to probe low-frequency Raman levels.

scholarly journals Real-time Stimulated Raman Spectroscopy with a Non-collinear Optical Parametric Oscillator

2021 ◽  
Author(s):  
Luise Beichert ◽  
Yuliya Binhammer ◽  
José Ricardo Cardoso de Andrade ◽  
Robin Mevert ◽  
Ann-Kathrin Kniggendorf ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Real Time ◽  
Optical Parametric Oscillator ◽  
Parametric Oscillator ◽  
Optical Parametric ◽  
Stimulated Raman
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