Four-photon absorption cross section in potassium bromide at 532 nm
- 15 August 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 36 (5) , 2831-2843
- https://doi.org/10.1103/physrevb.36.2831
Abstract
We exploit recombination luminescence of self-trapped excitons for the measurement of the four-photon absorption cross section in KBr at 532 nm. The value is found to be =(2±1)× . The validity of this method is verified by comparison with a four-photon absorption model describing the interaction process.
Keywords
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