Transient InSb spin-flip laser - a measurement of T1 |
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Authors: | S.R.J. Brueck A. Mooradian |
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Affiliation: | Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts 02173, USA |
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Abstract: | A double pulse spin-flip laser technique has been used to evaluate the InSb conduction electron spin-relaxation time T1; a value of 60 ± 20 nsec (n = 1.2 × 1016cm?3, H = 60 kG, T = 20 K)is obtained. The effects of electron heating by free carrier absorption are measured and an energy relaxation time of 20–40 nsec is obtained. A calculation of T1 based on ionized impurity scattering in the quantum limit regime is in order of magnitude agreement with the experiment. |
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