Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
64 (1994), S. 1977-1979
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A highly nonlinear far-infrared free-carrier absorption, rising with the radiation intensity, has been observed in InSb. It is shown that the nonlinearity arises from an increase in the number of free carriers caused by the generation of electron-hole pairs by light impact ionization in the radiation field of a powerful far-infrared laser. The observed nonlinearity permits the investigation of the process of impact ionization by a contactless optical method.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.111712
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