Mechanisms and fast kinetics of the catastrophic optical damage (COD) in GaAs‐based diode lasers

JW Tomm, M Ziegler, M Hempel… - Laser & Photonics …, 2011 - Wiley Online Library
COD diagram determined for a batch of broad‐area AlGaAs diode lasers. The time to COD
within a single current pulse is plotted versus the actual average optical power in the …

Thermoreflectance spectroscopy—Analysis of thermal processes in semiconductor lasers

D Pierścińska - Journal of Physics D: Applied Physics, 2017 - iopscience.iop.org
This review focuses on theoretical foundations, experimental implementation and an
overview of experimental results of the thermoreflectance spectroscopy as a powerful …

Investigation of thermal properties of mid-infrared AlGaAs/GaAs quantum cascade lasers

K Pierściński, D Pierścińska, M Iwińska… - Journal of Applied …, 2012 - pubs.aip.org
We report on detailed experimental investigation of thermal properties of AlGaAs/GaAs
quantum cascade lasers (QCLs) emitting at wavelength of 9.4 μm. Different mounting …

CCD thermoreflectance spectroscopy as a tool for thermal characterization of quantum cascade lasers

D Pierścińska, K Pierściński, M Morawiec… - Semiconductor …, 2016 - iopscience.iop.org
The development of charge coupled device thermoreflectance (CCD TR) instrumentation for
accurate and rapid evaluation of the thermal characteristics of quantum cascade lasers is …

Complementary thermoreflectance and micro-Raman analysis of facet temperatures of diode lasers

TJ Ochalski, D Pierścińska, K Pierściński… - Applied physics …, 2006 - pubs.aip.org
A methodological approach for advanced facet temperature characterization of operating
diode lasers is presented. It relies on the concerted application of micro-Raman …

An ultra-high sensitivity fluorescence sensor based on fluorescence technology

Q Kang, M Xu, Y Li, C Gao, Z Cheng, J Tao - Optik, 2022 - Elsevier
An ultra-high sensitivity fluorescence sensor with 1 ng/L-level detection limit was developed
for water treatment applications, in which fluorescent tracing method is applied by using …

[HTML][HTML] Thermal imaging of buried heterostructure quantum cascade lasers (QCLs) and QCL arrays using CCD-based thermoreflectance microscopy

N Becher, M Farzaneh, B Knipfer, C Sigler… - Journal of Applied …, 2019 - pubs.aip.org
Thermal profiles of a single-element quantum cascade laser (QCL) and a five-element QCL
array at different bias currents, under quasi-continuous-wave (QCW) conditions, are …

Temperature induced degradation mechanisms of AlInAs/InGaAs/InP quantum cascade lasers

D Pierścińska, K Pierściński, M Płuska… - Materials Research …, 2018 - iopscience.iop.org
In this paper, we report on the investigation of temperature induced degradation mode of
quantum cascade lasers (QCLs) with an emphasis on the influence of different processing …

Thermal processes in high-power laser bars investigated by spatially resolved thermoreflectance

D Pierścińska, A Kozlowska, K Pierściński… - Journal of Materials …, 2008 - Springer
The implementation of the thermoreflectance technique for the analysis of facet heating in
commercial high-power laser bars is demonstrated. The technique provides highly spatially …

Thermal analysis in high power GaAs-based laser diodes

X Gong, S Feng, Y Yue, J Yang, J Li - Journal of Semiconductors, 2016 - iopscience.iop.org
The thermal characteristics of 808 nm AlGaAs/GaAs laser diodes (LDs) are analyzed via
electrical transient measurements and infrared thermography. The temperature rise and …