EPJ Web Conf.
Volume 255, 2021EOS Annual Meeting (EOSAM 2021)
|Number of page(s)||4|
|Section||Topical Meeting (TOM) 8- Nonlinear and Quantum Optics|
|Published online||18 November 2021|
Stimulated Raman Microscopy Implemented by Three Femtosecond Laser Sources
1 CHT @Erzelli, Nanoscopy, Istituto Italiano Di Tecnologia, Genova, Italy
2 National Research Council (CNR), Institute of Applied Sciences and Intelligent Systems, Napoli, Italy, Napoli, Italy
* Corresponding author: email@example.com
Published online: 18 November 2021
In this work, the implementation of a femtosecond Stimulated Raman Scattering microscope, equipped with three femtosecond laser sources: a Titanium-Sapphire (Ti:Sa), an optical parametric oscillator (OPO), and a second harmonic generator (SHG); is presented. Our microscope is designed so that it can cover all the regions of Raman spectra, taking advantage of two possible laser combinations. The first, Ti:Sa and OPO laser beams, which cover the C-H region (>2800 cm-1 ) in stimulated Raman gain (SRG) modality, whereas the second, Ti:Sa and SHG laser beams, covering the C-H region and the fingerprint region in stimulated Raman losses (SRL) modality. The successful realization of the microscope is demonstrated, reporting images of polystyrene beads using both SRL and SRG modalities.
© The Authors, published by EDP Sciences, 2021
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