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Simon et al., 2024 - Google Patents

Cavity assisted high-resolution THz spectrometer

Simon et al., 2024

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Document ID
15226649658458867366
Author
Simon F
Elmaleh C
Decker J
Fourmentin M
Cuisset A
Ducournau G
Lampin J
Mouret G
Hindle F
Publication year
Publication venue
Photonics and Nanostructures-Fundamentals and Applications

External Links

Snippet

The analysis of gases by THz radiation offers a high degree of discrimination due to the narrow linewidths that are observed at low pressure. The sensitivity of existing high- resolution instruments is limited by the availability and performance of critical system …
Continue reading at www.sciencedirect.com (HTML) (other versions)

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    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light
    • G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light using far infra-red light; using Terahertz radiation
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    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G—PHYSICS
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