AlGaAs DH pump laser for photoluminescence lifetime measurements
- 1 June 1978
- journal article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 49 (6) , 770-771
- https://doi.org/10.1063/1.1135610
Abstract
The use of GaAlAs double heterostructure lasers as a pulsed excitation source for photoluminescence time-decay measurements is described. Subnanosecond laser pulses easily allow the determination of luminescence decay times >/=500 ps using a single photon counting system. In contrast to mode-locked gas or dye lasers, this new technique utilizes simple equipment (diode laser and pulse generator) and requires no special alignment or tuning procedures.Keywords
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