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Brief Communications

Germanium detector for measuring power of λ =10.6 μ radiation

L. M. Pakhomov


Abstract: An experimental study was made of the reaction of a detector, utilizing the photon drag effect, to high-power (500 kW) CO₂ laser pulses. The responsivity (1×10^–7 V/W) was determined and the power at which a spark appeared on the surface of germanium (7×10⁶ W/cm²) was measured. This spark produced an additional voltage pulse which was superimposed on the useful signal.

UDC: 621.373.8

PACS: 42.60.Jf, 42.55.Lt, 85.60.Gz, 29.40.Wk

Received: 26.03.1974
Revised: 10.06.1974

 English version: Soviet Journal of Quantum Electronics, 1975, 4:10, 1284