P. Martin et al., Packaging-induced stress distribution in high power AlGaAs laser diodes byphotoluminescence mapping, MAT SCI E B, 80(1-3), 2001, pp. 188-192
The microphotoluminescence (mu -PL) technique is proposed for mapping local
stress distribution in GaAs/AlGaAs high power laser diode arrays (LDAs). T
his technique will be used to monitor the stresses that can be induced on t
he bars during the packaging process. We show herein that also a detailed s
tudy of the stress profiles that could exist in the bars before mounting an
d after aging can be achieved with this technique. (C) 2001 Published by El
sevier Science B.V.