Hybrid integration of wearable devices for physiological monitoring

Y Zhang, XT Zheng, X Zhang, J Pan… - Chemical …, 2024 - ACS Publications
Wearable devices can provide timely, user-friendly, non-or minimally invasive, and
continuous monitoring of human health. Recently, multidisciplinary scientific communities …

Transparent heaters: A review

DT Papanastasiou, A Schultheiss… - Advanced Functional …, 2020 - Wiley Online Library
Transparent heaters (TH) have attracted intense attention from both scientific and industrial
sectors due to the key role they play in many technologies, including smart windows …

A review of thermoreflectance techniques for characterizing wide bandgap semiconductors' thermal properties and devices' temperatures

C Yuan, R Hanus, S Graham - Journal of Applied Physics, 2022 - pubs.aip.org
Thermoreflectance-based techniques, such as pump–probe thermoreflectance (pump–
probe TR) and thermoreflectance thermal imaging (TTI), have emerged as the powerful and …

Observation of ballistic-diffusive thermal transport in GaN transistors using thermoreflectance thermal imaging

ZK Liu, Y Shen, HL Li, BY Cao - Rare Metals, 2024 - Springer
To develop effective thermal management strategies for gallium-nitride (GaN) transistors, it
is essential to accurately predict the device junction temperature. Since the width of the heat …

Pulsed thermoreflectance imaging for thermophysical properties measurement of GaN epitaxial heterostructures

ZK Liu, G Yang, BY Cao - Review of Scientific Instruments, 2023 - pubs.aip.org
Multilayer heterostructures composed of a substrate and an epitaxial film are widely utilized
in advanced electronic devices. However, thermal bottlenecks constrain their performance …

Elimination of catastrophic optical mirror damage in continuous-wave high-power laser diodes using multi-section waveguides

Y Liu, K Ebadi, AK Sunnetcioglu, S Gundogdu… - Optics …, 2022 - opg.optica.org
One of the persistent obstacles for high-power laser diodes (LDs) has been the catastrophic
optical mirror damage (COMD), which limits the operating power level and lifetime of …

Photo-activated raster scanning thermal imaging at sub-diffraction resolution

M Bouzin, M Marini, A Zeynali, M Borzenkov… - Nature …, 2019 - nature.com
Active thermal imaging is a valuable tool for the nondestructive characterization of the
morphological properties and the functional state of biological tissues and synthetic …

High-Power Quantum Cascade Lasers Emitting at 8 μm: Technology and Analysis

E Cherotchenko, V Dudelev, D Mikhailov, G Savchenko… - Nanomaterials, 2022 - mdpi.com
In this work, we demonstrate the features of a two-stage epitaxial growth technique and
show the results of power and efficiency measurements for three different designs of …

High-sensitivity waveguide-integrated bolometer based on free-carrier absorption for Si photonic sensors

J Shim, J Lim, DM Geum, JB You, H Yoon, JP Kim… - Optics …, 2022 - opg.optica.org
Conventional photon detectors necessarily face critical challenges regarding strong
wavelength-selective response and narrow spectral bandwidth, which are undesirable for …

COD-YOLO: An Efficient YOLO-Based Detector for Laser Chip Catastrophic Optical Damage Defect Detection

J Zhao, W Hu, D Li, S Guo, B Luo, B Tang, Y lv… - Arabian Journal for …, 2024 - Springer
High-power semiconductor lasers play a crucial role in optical communication systems, and
their reliability is key to the normal operation of the system. Catastrophic Optical Damage …