A high throughput rapid scanning dispersive spectrometer for longwave infrared absorption spectroscopy

被引：1
|
作者：
Butler, Austin [1 ]
Krier, Herman [1 ]
Glumac, Nick [1 ]
机构：
[1] Univ Illinois, Mech Sci & Engn, Urbana, IL 61820 USA
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2023年 / 34卷 / 02期
关键词：
high throughput; absorption spectroscopy; rapid; scanning; longwave; infrared; ROTATIONAL LINES; OH; TRANSITIONS; PARAMETERS; SPECTRA; FLAME; O-2; H-2; HE;
D O I：
10.1088/1361-6501/ac9d5b
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A rapid-scanning spectrometer was constructed to capture several hundred wavenumber wide spectral scans at greater than 1 kHz repetition rate in the longwave infrared. The system, made from commercial-off-the-shelf components, exceeds scan width and repetition rate limitations present in other infrared diagnostics while maintaining better than 10 cm(-1) spectral resolution through its high throughput (f/2) design. Instrument design and construction is discussed in detail, and validation of the spectrometer's ability to capture time resolved spectra in the 800-1400 cm(-1) region at 1.2 kHz was demonstrated through the measurement of organophosphorus chemical nerve agent simulant destruction inside high explosive fireballs.
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页数：6
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