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Related Concept Videos

IR Spectrometers01:25

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...

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Related Experiment Video

Updated: Jun 7, 2026

Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
10:03

Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy

Published on: June 27, 2014

High-information time-resolved step-scan Fourier interferometer.

G Durry, G Guelachvili

    Applied Optics
    |November 2, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study adapts a high-resolution interferometer for time-varying phenomena. New computer methods address dynamic range limitations in time-resolved Fourier transform spectroscopy (TRFTS) for better spectral analysis.

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    Last Updated: Jun 7, 2026

    Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
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    Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy

    Published on: June 27, 2014

    A Multimodal Wide-Field Fourier-Transform Raman Microscope
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    A Multimodal Wide-Field Fourier-Transform Raman Microscope

    Published on: December 30, 2025

    Area of Science:

    • Spectroscopy
    • Interferometry
    • Computational Physics

    Background:

    • High spectral resolution studies often face limited dynamic range in measurements.
    • Time-resolved experiments require advanced techniques to capture rapid changes.

    Purpose of the Study:

    • To adapt a Connes-type interferometer for studying time-varying phenomena.
    • To propose solutions for overcoming dynamic range limitations in time-resolved Fourier transform spectroscopy (TRFTS).

    Main Methods:

    • Adaptation of a stepping-mode Connes-type interferometer.
    • Development of computer programs using matrix formalism and graphic techniques.
    • Computer simulation of a TRFTS experiment to analyze dynamic range issues.

    Main Results:

    • Proposed solutions effectively address the limited dynamic range in high-resolution TRFTS.
    • Developed computational tools efficiently handle large temporal and spectral datasets.
    • Computer simulations validated the approach for systematic study of measurement challenges.

    Conclusions:

    • The adapted interferometer and computational methods offer a viable approach for time-resolved spectroscopy.
    • Step-by-step TRFTS presents advantages but also inherent difficulties that require careful management.
    • This work enhances the capability for studying dynamic processes at high spectral resolution.