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Emittance measurements of electron beams from diamond field emitter arrays
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10.1116/1.4724312
/content/avs/journal/jvstb/30/4/10.1116/1.4724312
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/30/4/10.1116/1.4724312
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscope image of a 5 μm pitch DFEA. Typical tip radii are on the order of 5–10 nm.

Image of FIG. 2.
FIG. 2.

(Color online) Experimental arrangement for measuring the emittance of electron beams from DFEAs. A pepperpot, used as the anode, produces beamlets that subsequently expand in a field free region before impacting a phosphor screen. The spot size at the phosphor is used to infer the beam divergence.

Image of FIG. 3.
FIG. 3.

(Color online) Phosphor image of beamlets from the pepperpot. The largest beamlet, which includes electrons from many emitters, has a Gaussian profile and indicates a normalized divergence of .

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/content/avs/journal/jvstb/30/4/10.1116/1.4724312
2012-06-06
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Emittance measurements of electron beams from diamond field emitter arrays
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/30/4/10.1116/1.4724312
10.1116/1.4724312
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