Advancements in miniaturized infrared spectroscopic-based volatile organic compound sensors: A systematic review

L Xia, Y Liu, RT Chen, B Weng, Y Zou - Applied Physics Reviews, 2024 - pubs.aip.org
The global trends of urbanization and industrialization have given rise to critical
environmental and air pollution issues that often receive insufficient attention. Among the …

Biosensing with silicon nitride microring resonators integrated with an on-chip filter bank spectrometer

MR Bryan, JN Butt, J Bucukovski, BL Miller - ACS sensors, 2023 - ACS Publications
Wearable, mobile, and point-of-care (POC) sensors comprise a rapidly expanding field of
devices aimed at improving human health by relaying real-time biometric data such as heart …

Rational Design and Application of Breath Sensors for Healthcare Monitoring

K Liu, M Lin, Z Zhao, K Zhang, S Yang - ACS sensors, 2024 - ACS Publications
Biomarkers contained in human exhaled breath are closely related to certain diseases. As a
noninvasive, portable, and efficient health diagnosis method, the breath sensor has received …

Enhancement of mid-infrared saturable absorption of graphene by compositing with PbSe for ultra-short pulse lasers in the∼ 2.8 to∼ 4 μm band

Z Ou, X Wang, B Zhu, D Sun, T Xing, Y Gu - Infrared Physics & Technology, 2024 - Elsevier
The suitably large modulation depth of the saturable absorber (SA) is crucial to obtaining
short pulse lasers via passive Q-switching or mode-locking techniques. Graphene could …

Freestanding Germanium Photonic Crystal Waveguide for a Highly Sensitive and Compact Mid-Infrared On-Chip Gas Sensor

I Kim, J Lim, J Shim, J Park, SY Ahn, H Lim… - ACS sensors, 2024 - ACS Publications
The performance of mid-infrared (MIR) on-chip gas sensors, operating via laser absorption
spectroscopy, hinges critically on light–matter interaction dynamics, significantly influenced …

Aspect ratio optimization of piezoelectric extensional mode resonators for quality factor and phase noise performance enhancement

KW Tang, W Lin, AA Zope, ZW Lin… - … of Micromechanics and …, 2024 - iopscience.iop.org
This study focuses on optimizing the resonator geometry via the aspect ratio design of a
width-extensional mode resonator to improve its quality factor (Q), which is one of the critical …

Enhancement of Refractive Index Sensitivity Using Small Footprint S-Shaped Double-Spiral Resonators for Biosensing

A Igarashi, M Abe, S Kuroiwa, K Ohashi, H Yamada - Sensors, 2023 - mdpi.com
We demonstrate an S-shaped double-spiral microresonator (DSR) for detecting small
volumes of analytes, such as liquids or gases, penetrating a microfluidic channel. Optical …

Incubating Advances in Integrated Photonics with Emerging Sensing and Computational Capabilities

S Jain, M Hlaing, KC Fan, J Midkiff, S Ning… - arXiv preprint arXiv …, 2024 - arxiv.org
As photonic technologies continue to grow in multidimensional aspects, integrated
photonics holds a unique position and continuously presents enormous possibilities to …