A common path interferometer for stimulated Raman
scattering (SRS) and coherent anti-Stokes Raman scattering
measurements (CARS)

G. Negrete-González; H. L. Offerhaus; F. Martinez-Pinon; J. A. Álvarez-Chávez

doi:10.1117/12.929090

19 October 2012 A common path interferometer for stimulated Raman scattering (SRS) and coherent anti-Stokes Raman scattering measurements (CARS)

G. Negrete-González, H. L. Offerhaus, F. Martinez-Pinon, J. A. Álvarez-Chávez

Author Affiliations +

Proceedings Volume 8512, Infrared Sensors, Devices, and Applications II; 851209 (2012) https://doi.org/10.1117/12.929090
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

A detailed description of a common path interferometer is given for CARS and SRS applications. In this interferometer, both probe and reference arms are separated in time and polarization by a birefringent crystal. In order to generate the pump pulse a Ti:Sa laser centered at 808 nm is used, as for the Stokes pulses a Nd:YVO centered at 1064 nm is used, both lasers are synchronized in phase and frequency at a repetition rate of 80MHz. Acetone is employed for analysis and detection in this experiment, with a extinction ratio of 1/250, a temperature heating control system is developed for the calcite birefringent crystals with a precision of de ±0.01°C as well as an analysis of the contributions of both processes CARS and SRS by using a lock-in amplifier.

Citation Download Citation

G. Negrete-González, H. L. Offerhaus, F. Martinez-Pinon, and J. A. Álvarez-Chávez "A common path interferometer for stimulated Raman scattering (SRS) and coherent anti-Stokes Raman scattering measurements (CARS)", Proc. SPIE 8512, Infrared Sensors, Devices, and Applications II, 851209 (19 October 2012); https://doi.org/10.1117/12.929090

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