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12 March 2024 A high-resolution wide-field Raman microscope
Cristian Manzoni, Renzo Vanna, Benedetto Ardini, Andrea Bassi, Alessia Candeo, Armando Genco, Chiara Trovatello, Fang Liu, Xiaoyang Zhu, Gianluca Valentini, Giulio Cerullo
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Proceedings Volume PC12893, Photonic Instrumentation Engineering XI; PC1289308 (2024) https://doi.org/10.1117/12.3002340
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
We present a novel wide-field Raman microscope, based on the time-domain Fourier-transform method. This enables parallel acquisition of Raman spectra on all the pixels of the 2D detector; the resulting wide-field approach allows faster collection of Raman maps with respect to standard raster-scanning methods. In addition, the time-domain method disentangles fluorescence and Raman signals. The system is robust and stable, thanks to the use of an ultrastable common-path birefringent interferometer. Validation of the system is performed on plastic microbeads and on a few-layers transition metal dichalcogenide sample.
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Cristian Manzoni, Renzo Vanna, Benedetto Ardini, Andrea Bassi, Alessia Candeo, Armando Genco, Chiara Trovatello, Fang Liu, Xiaoyang Zhu, Gianluca Valentini, and Giulio Cerullo "A high-resolution wide-field Raman microscope", Proc. SPIE PC12893, Photonic Instrumentation Engineering XI, PC1289308 (12 March 2024); https://doi.org/10.1117/12.3002340
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KEYWORDS
Raman spectroscopy
Microscopes
Fluorescence
Fourier transforms
Imaging systems
Spectroscopy
Reproducibility
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