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Direct detection effect in small volume hot electron bolometer mixers
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10.1063/1.1887812
/content/aip/journal/apl/86/16/10.1063/1.1887812
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/16/10.1063/1.1887812
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color) (a) uncorrected for any optics losses over the entire IV plane of the mixer, the minimum value is . (b) The direct detection current .

Image of FIG. 2.
FIG. 2.

The effect of a nonzero direct detection current at , , where . The top line gives the receiver output power at hot load as a function of bias current, the bottom line at cold load. The data is obtained bychanging the LO power at constant bias voltage. The stars give the small signal noise temperature around three background loads. For an explanation of the symbols we refer to the text.

Image of FIG. 3.
FIG. 3.

(Color) The double sideband receiver noise temperature in the small signal limit, , around a background corresponding to the load. The minimum value is . A background corresponding to the load gives an identical result.

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/content/aip/journal/apl/86/16/10.1063/1.1887812
2005-04-14
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Direct detection effect in small volume hot electron bolometer mixers
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/16/10.1063/1.1887812
10.1063/1.1887812
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