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Performance of a CsBr coated Nb photocathode at room temperature
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10.1063/1.3276222
/content/aip/journal/jap/107/1/10.1063/1.3276222
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/1/10.1063/1.3276222
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A QE improvement greater than was observed at approximately power density for all of the samples relative to the uncoated Nb sample.

Image of FIG. 2.
FIG. 2.

QE of CsBr/Nb obtained at high power density for different thicknesses.

Image of FIG. 3.
FIG. 3.

Expanded plot of Fig. 2 showing the activation times of a few minutes at high power density.

Image of FIG. 4.
FIG. 4.

Improvement in QE observed at low power density on a 5 nm thick CsBr/Nb sample from the second batch. A 1 mm diameter 257 nm laser beam was utilized. The QE of the uncoated sample was .

Image of FIG. 5.
FIG. 5.

More than eight hundred-fold improvement in QE observed in a 5 nm thick CsBr/Nb sample from the second batch at high power density .

Image of FIG. 6.
FIG. 6.

QE vs time on an area of the 5 nm CsBr/Nb sample from the second batch indicating the relative short intervals with a QE approaching 0.1% ( improvement relative to the uncoated sample).

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/content/aip/journal/jap/107/1/10.1063/1.3276222
2010-01-12
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Performance of a CsBr coated Nb photocathode at room temperature
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/1/10.1063/1.3276222
10.1063/1.3276222
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