The effect of plastic strain on the absorption spectrum of germanium crystals

Пржевуский А.К., Маколкина Е.Н. Влияние пластической деформации на спектр поглощения кристаллов германия // Оптический журнал. 2007. Т. 74. № 2. С. 73–77.

Przhevuskiy A.K., Makolkina E.N. The effect of plastic strain on the absorption spectrum of germanium crystals [in Russian] // Opticheskii Zhurnal. 2007. V. 74. № 2. P. 73–77.

A. K. Przhevuskiĭ and E. N. Makolkina, "The effect of plastic strain on the absorption spectrum of germanium crystals," Journal of Optical Technology. 74 (2), 135-138 (2007). https://doi.org/10.1364/JOT.74.000135

This paper shows that the plastic strain of germanium crystals changes their absorption spectrum in the entire transmission region. These changes are ascribed to the influence of strain on three light-absorption mechanisms: direct interband, direct intraband, and free-carrier absorption.