Impurity Induced Infrared Lattice Vibration Absorption
نویسندگان
چکیده
منابع مشابه
Blue-light-induced infrared absorption in KNbO3
Owing to its high nonlinearity and low passive losses, KNbO3 has great potential as a medium for efficient frequency doubling and parametric oscillation." 2 For example, KNbO3 has been used successfully for the production of cw blue light by frequency doubling of a dye laser,3 doubling of a semiconductor diode laser,4 and nonlinear mixing of diode and Nd:YAG lasers.5 In recent work we observed ...
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In perfect alkali halide crystals only the transverse optic phonons of zero wave vector absorb far infrared radiation in first order. The introduction of impurities in the lattice removes the translational invariance and almost all phonons become optically active. In addition to the absorption at the reststrahlen frequency, impurity induced absorption appears in the phonon band region and somet...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1960
ISSN: 0033-068X
DOI: 10.1143/ptp.24.1055