Transmission cathodoluminescence as a screening technique for rake lines in (Al,Ga)As DH laser material
- 16 April 1981
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 17 (8) , 285-286
- https://doi.org/10.1049/el:19810200
Abstract
The use of transmission cathodoluminescence (TCL) as a nondestructive screening technique for rake lines in (Al, Ga)As double heterostructure laser material is reported here for the first time. TCL evaluation is shown to correlate well with the fraction of good devices for both broad area and stripe geometry laser configurations.Keywords
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