This review focuses on theoretical foundations, experimental implementation and an
overview of experimental results of the thermoreflectance spectroscopy as a powerful …

Catastrophic optical damage (COD) of high power laser diodes is a crucial factor limiting
ultra high power lasers. The understanding of the COD process is essential to improve the …

A miniaturized micro-channel cooler with micro-pipes that transport cooling liquid was
numerically modeled and experimentally studied. A prototype copper cooler with glass micro …

A thermomechanical model for the mechanism of rapid degradation of AlGaAs based high
power laser bars (808 nm) is presented. Thermal stresses induced in the device by local …

We study the facet temperature distribution of a high-power diode laser over its lifetime using
a noncontact, high spatial resolution CCD-based thermoreflectance technique. Based on the …

During the last few years, diode laser systems have become established as a credible
photon source for material processing, medical applications, and the pumping of solid-state …

An in situ and nondestructive technique is developed to image the formation and evolution
of dark line defects in the cavity of a high-power diode laser. The technique uses broadband …

The influence of the quantum well (QW) interfaces with the barrier layers on the rapid
degradation of AlGaAs based high power laser bars (808 nm) is investigated. Thermal …

In this work we study the catastrophic optical damage (COD) of graded-index separate
confinement heterostructure quantum well (QW) laser diodes based on AlGaAs/GaAs. The …

The degradation of AlGaAs based high power laser bars (808 nm) is modeled in terms of the
thermal stress gradient induced by the overheating produced at a facet defect by self …