Standard Article

Spectrometers for Infrared Light

  1. Yukihiro Ozaki1,
  2. Shigeaki Morita2

Published Online: 15 DEC 2009

DOI: 10.1002/3527600434.eap461.pub3

Encyclopedia of Applied Physics

Encyclopedia of Applied Physics

How to Cite

Ozaki, Y. and Morita, S. 2009. Spectrometers for Infrared Light. Encyclopedia of Applied Physics. 867–886.

Author Information

  1. 1

    Kwansei Gakuin University, School of Science and Technology, Sanda, Japan

  2. 2

    Nagoya University, EcoTopia Science Institute, Chikusa-ku, Nagoya, Japan

Publication History

  1. Published Online: 15 DEC 2009

Abstract

The article contains sections titled:

  • 1
    Introduction
  • 2
    General Principles of Infrared Spectrometers
    • 2.1
      Principles of Dispersive IR Spectrometers
      • 2.1.1
        Diffraction Grating
      • 2.1.2
        Monochromators
    • 2.2
      Principles of FT-IR Spectrometers
    • 2.3
      Advantages of FT-IR Spectrometers
      • 2.3.1
        Fellgett Advantage (Multiplex Advantage)
      • 2.3.2
        Jacquinot Advantage (Throughput Advantages)
      • 2.3.3
        Connes Advantage
    • 2.4
      Phase Correction
  • 3
    Components of FT-IR Spectrometers
    • 3.1
      Light Sources
    • 3.2
      Interferometers
    • 3.3
      Sample Compartments
    • 3.4
      Detectors
    • 3.5
      Beamsplitters and Mirrors
    • 3.6
      Amplifiers and AD Convertors
  • 4
    Various Types of FT-IR Interferometers
    • 4.1
      Continuous-Scanning Interferometers
    • 4.2
      Step-Scan Interferometers
    • 4.3
      Asynchronous Time-Resolved FT-IR Spectrometer

Keywords:

  • infrared spectroscopy;
  • Fourier-transform spectrometers;
  • beamsplitter;
  • interferometry;
  • Forman algorithm;
  • monochrometers;
  • diffraction gratings;
  • dispersive IR spectrometers