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Laser terahertz emission system to investigate hydrogen gas sensors
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10.1063/1.1954885
/content/aip/journal/apl/86/26/10.1063/1.1954885
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/26/10.1063/1.1954885
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic drawing of the sample cell. The cell was filled with a hydrogen and nitrogen gas mixture during the experiments.

Image of FIG. 2.
FIG. 2.

Time-domain THz wave forms from the sample in the hydrogen and nitrogen gas mixture. The solid, dashed, and dotted lines represent the wave form for hydrogen gas concentrations of , , and 1%, respectively. The inset shows the enlargement around the positive peak (between 10.5 and ).

Image of FIG. 3.
FIG. 3.

The peak amplitude of the THz radiation as a function of the hydrogen gas concentration. The open and closed circles represent THz radiation from the - and -thick palladium film samples, respectively.

Image of FIG. 4.
FIG. 4.

(a) Typical time dependent response of the MOSFET hydrogen sensor and (b) the gate-drain voltage response of the device as a function of the hydrogen gas concentration.

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/content/aip/journal/apl/86/26/10.1063/1.1954885
2005-06-20
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Laser terahertz emission system to investigate hydrogen gas sensors
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/26/10.1063/1.1954885
10.1063/1.1954885
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