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Xia et al., 2021 - Google Patents

A sensitive methane sensor of a ppt detection level using a mid-infrared interband cascade laser and a long-path multipass cell

Xia et al., 2021

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Document ID
16099470805918047873
Author
Xia J
Feng C
Zhu F
Ye S
Zhang S
Kolomenskii A
Wang Q
Dong J
Wang Z
Jin W
Schuessler H
Publication year
Publication venue
Sensors and actuators B: chemical

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Snippet

An ultra-high sensitivity sensor combining a mid-IR (MIR) interband cascade laser (ICL) at center wavelength of 3.37 μm and a multi-pass cell (MPC) with a path-length of 580 m was designed and implemented for methane detection. The ultra-high sensitivity is achieved due …
Continue reading at ir.ciomp.ac.cn (PDF) (other versions)

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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
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G—PHYSICS
    • G01—MEASURING; TESTING
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    • G01N21/84—Systems specially adapted for particular applications
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    • G01N2201/00—Features of devices classified in G01N21/00

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