Two-photon absorption in indium antimonide and germanium
- 14 September 1976
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 9 (17), 3259-3275
- https://doi.org/10.1088/0022-3719/9/17/019
Abstract
Transmission and photoconductivity measurements, both as a function of intensity and time have been made at room temperature on indium antimonide using CO2 lasers and on germanium using a hydrogen fluoride laser. In both cases it is shown that the reduced transmission at high intensities is primarily due to the electrons and holes generated by two-photon absorption and not directly due to the two-photon absorption process. Previous work on both materials must therefore be reinterpreted.Keywords
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