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Datum
2022Typ
- Other Conference Item
ETH Bibliographie
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Abstract
We demonstrate a rotational optical delay line for Fourier transform infrared (FTIR) spectroscopy with simultaneous high time and frequency resolutions. Thanks to the rotational motion, the trade-off between speed and spectral resolution present in rapid-scan FTIRs is alleviated, and enables the use of high-brightness quantum cascade laser frequency combs as light sources. We demonstrate the capabilities of the delay line by resolving low-pressure methane absorption lines and tracking several absorption lines at video frame rates. Mehr anzeigen
Publikationsstatus
publishedExterne Links
Buchtitel
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)Seiten / Artikelnummer
Verlag
IEEEKonferenz
Organisationseinheit
03759 - Faist, Jérôme / Faist, Jérôme
ETH Bibliographie
yes
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