Ultralow-Noise Optical Parametric Amplifier for Stimulated Raman Scattering Imaging - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2023

Ultralow-Noise Optical Parametric Amplifier for Stimulated Raman Scattering Imaging

Résumé

We present a 40-MHz ultrafast optical parametric amplifier (OPA), tunable from 0.8 to 1 $μ$m, with a relative intensity noise (RIN) matching the shot-noise floor (-160 dB/Hz) above 2 MHz. The OPA is pumped by a 20-W Kerr-lens mode-locked Ytterbium laser and seeded by a a supercontinuum generated in an all-normal-dispersion (ANDi) fiber. With an average output power >1.5 W, this compact and simple scheme is an attractive alternative to synchronously-pumped optical parametric oscillators, especially within the context of stimulated Raman scattering (SRS) imaging. To illustrate the latter, we perform chemical imaging of vinegar droplets in oil by SRS microscopy.
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Dates et versions

hal-04750498 , version 1 (23-10-2024)

Identifiants

Citer

Ines Martin, Yoann Pertot, Olivier Albert, Thomas Pinoteau, Sébastien Coudreau, et al.. Ultralow-Noise Optical Parametric Amplifier for Stimulated Raman Scattering Imaging. 2024. ⟨hal-04750498⟩
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