Hyperspectral cathodoluminescence maps of a new and an aged laser. The CL signature shows degradation in the active zone of the laser.

(IEEE Transactions on Nanotechnology, VOL. 15, 274 (2016))

New Laser

Allalin-Chronos-New-Laser-Defect-Detection-Nanostructure-Characterization-Failure-Analysis-Materials-Characterization-Attolight-Cathodoluminescence

Aged Laser

Allalin-Chronos-Aged-Laser-Defect-Detection-Nanostructure-Characterization-Failure-Analysis-Materials-Characterization-Attolight-Cathodoluminescence