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Updated: Jun 23, 2026

A Multimodal Wide-Field Fourier-Transform Raman Microscope

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

Compact imaging spectrometer combining Fourier transform spectroscopy with a Fabry-Perot interferometer.

Marco Pisani¹, Massimo Zucco

¹Istituto Nazionale di Ricerca Metrologica, INRiM, Torino, Italy. m.pisani@inrim.it

|May 13, 2009

Summary

A novel imaging spectrometer uses a Fabry-Perot interferometer for compact, high-performance hyperspectral imaging. This Fourier Transform-based instrument offers a unique approach to spectral data acquisition.

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Area of Science:

Optics and Photonics
Spectroscopy
Instrument Development

Background:

Traditional Fourier Transform Spectrometers (FTS) often face limitations in size and luminosity.
Hyperspectral imaging is crucial for various scientific and industrial applications.

Purpose of the Study:

To present a novel imaging spectrometer design utilizing a Fabry-Perot interferometer.
To demonstrate a compact, high numerical aperture, and high luminosity hyperspectral imaging device.

Main Methods:

Implementation of a Fabry-Perot interferometer that scans mirror distance to contact.
Application of a Fourier Transform-based algorithm for processing intensity-modulated light signals.

Main Results:

Development of a compact hyperspectral imaging instrument.
Achieved high numerical aperture and high luminosity characteristics.
Presented preliminary experimental results validating the instrument's performance.

Conclusions:

The Fabry-Perot based imaging spectrometer offers significant advantages in compactness and performance.
This instrument provides a viable alternative for advanced hyperspectral imaging applications.