Table 1 Collector current’s test conditions for current gain measurements. The current gain evaluation tests were conducted with a fixed VCE = 10 V.

From: Laser-driven proton sources for efficient radiation testing

Test

Current gain β

Collector current IC

1

β1

0.1 mA

2

β2

1 mA

3

β3

10 mA

4

β4

150 mA

5

β5

500 mA

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