EVIDENCE FOR AN OPTICAL TRANSITION AT A NONCENTROSYMMETRIC POINT OF BRILLOUIN ZONE IN KI

被引:16
作者
PARK, K
STAFFORD, RG
机构
[1] Department of Physics, University of Oregon, Eugene
关键词
D O I
10.1103/PhysRevLett.22.1426
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The two-photon absorption spectrum of KI has been measured to 7.5 eV. The region studied spans the spectral range in which all the prominent one-photon absorption peaks reside. Our two-photon data exhibit two noticeable peaks at 7.21 and 7.375 eV. Based on the parity argument and polarization dependence, we tentatively assign the peak at 7.21 eV to a Δ6→Δ6 transition. © 1969 The American Physical Society.
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页码:1426 / &
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