CUED Publications database

Linear and Nonlinear Spectroscopy by a Common-Path Birefringent Interferometer

Preda, F and Oriana, A and Rehault, J and Lombardi, L and Ferrari, AC and Cerullo, G and Polli, D (2017) Linear and Nonlinear Spectroscopy by a Common-Path Birefringent Interferometer. IEEE Journal on Selected Topics in Quantum Electronics, 23. ISSN 1077-260X

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© 1995-2012 IEEE. We introduce a passive common-path interferometer to replace Michelson interferometers in the Fourier-Transform spectroscopy. Our device exploits birefringence to introduce a highly accurate delay between two orthogonal polarization components by continuously varying the material thickness. Due to its inherent delay stability and reproducibility, it can be used even for short wavelengths (down to ∼200 nm) without the need for any active control or position tracking. We first demonstrate its performances in linear spectroscopy, by implementing a spectrometer and a spectrophotometer. We then extend its use to nonlinear spectroscopy and, in combination with lock-in detection at MHz modulation frequencies, illustrate its application to pump-probe spectroscopy with high sensitivity (ΔT/T < 3·10 -6 in 1-s integration time) and broad spectral coverage ( > 500 nm) and to broadband stimulated Raman scattering microscopy in the CH stretching region.

Item Type: Article
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:11
Last Modified: 13 Apr 2021 07:12
DOI: 10.1109/JSTQE.2016.2630840