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Noise analysis in type-II InAs/GaSb focal plane arrays
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10.1063/1.3224958
/content/aip/journal/jap/106/6/10.1063/1.3224958
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/6/10.1063/1.3224958
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Variation in the noise with the integration time in dark conditions.

Image of FIG. 2.
FIG. 2.

Variation in the noise vs the photon irradiance . The calculated noise was the sum of the read out noise , dark current noise, thermal noise, and photon noise.

Image of FIG. 3.
FIG. 3.

Map of the noise limitation of the FPA.

Image of FIG. 4.
FIG. 4.

NEI as a function of irradiance. The integration time was 0.129 ms.

Image of FIG. 5.
FIG. 5.

PSD of the array in dark and light conditions. The integration time was 0.129 ms. The spectrum of the median pixel of the array is plotted. 2400 consecutive averages of 500 frames were collected to calculate this spectrum.

Image of FIG. 6.
FIG. 6.

PSD in “dark” conditions for different biases. The integration time was kept constant at 0.129 ms, and the calculation was made on 600 averages of 500 frames.

Image of FIG. 7.
FIG. 7.

Variation in the pixel output of 10 pixels over 25 000 s. The measurement was done in dark conditions for an integration time of 0.129 ms.

Image of FIG. 8.
FIG. 8.

Covariance matrix of the signal of 10 pixels over a 25 000 s collection time.

Image of FIG. 9.
FIG. 9.

Variation in the corrected pixel output of 10 pixels over 25 000 s. The measurement was done in dark conditions for an integration time of 0.129 ms.

Image of FIG. 10.
FIG. 10.

Covariance matrix of the signal of 10 pixels over a 25 000 s collection time after the correction.

Image of FIG. 11.
FIG. 11.

PSD of the corrected and uncorrected signals. The integration time was 0.129 ms. 4000 averages of 500 frames were measured.

Image of FIG. 12.
FIG. 12.

PSD of the corrected and uncorrected signals for different integration times.

Image of FIG. 13.
FIG. 13.

Pictures taken 25 h after the two point nonuniformity correction.

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/content/aip/journal/jap/106/6/10.1063/1.3224958
2009-09-23
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Noise analysis in type-II InAs/GaSb focal plane arrays
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/6/10.1063/1.3224958
10.1063/1.3224958
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