Infrared fibers

G Tao, H Ebendorff-Heidepriem… - Advances in Optics …, 2015 - opg.optica.org
Infrared (IR) fibers offer a versatile approach to guiding and manipulating light in the IR
spectrum, which is becoming increasingly more prominent in a variety of scientific …

Soft and flexible material-based affinity sensors

L Meng, APF Turner, WC Mak - Biotechnology advances, 2020 - Elsevier
Recent advances in biosensors and point-of-care (PoC) devices are poised to change and
expand the delivery of diagnostics from conventional lateral-flow assays and test strips that …

Low-loss chalcogenide waveguides for chemical sensing in the mid-infrared

P Ma, DY Choi, Y Yu, X Gai, Z Yang, S Debbarma… - Optics express, 2013 - opg.optica.org
We report the characteristics of low-loss chalcogenide waveguides for sensing in the mid-
infrared (MIR). The waveguides consisted of a Ge_11. 5As_24Se_64. 5 rib waveguide core …

[HTML][HTML] Monolithic on-chip mid-IR methane gas sensor with waveguide-integrated detector

P Su, Z Han, D Kita, P Becla, H Lin… - Applied Physics …, 2019 - pubs.aip.org
We demonstrate a monolithic waveguide sensor integrated with a detector on-chip for mid-
infrared absorption spectroscopic sensing. The optical sensing element comprises a …

Electrochemical aptasensor based on multidirectional hybridization chain reaction for detection of tumorous exosomes

L Wang, L Zeng, Y Wang, T Chen, W Chen… - Sensors and Actuators B …, 2021 - Elsevier
Exosomes-based liquid biopsy is an anticipated application, in which high sensitivity
detection with good selectivity is an important determinant of assay quality. Herein, we …

Optical characterization at 7.7 µm of an integrated platform based on chalcogenide waveguides for sensing applications in the mid-infrared

A Gutierrez-Arroyo, E Baudet, L Bodiou, J Lemaitre… - Optics express, 2016 - opg.optica.org
A selenide integrated platform working in the mid-infrared was designed, fabricated and
optically characterized at 7.7 µm. Ge-Sb-Se multilayered structures were deposited by RF …

Chip-scale broadband spectroscopic chemical sensing using an integrated supercontinuum source in a chalcogenide glass waveguide

Q Du, Z Luo, H Zhong, Y Zhang, Y Huang, T Du… - Photonics …, 2018 - opg.optica.org
On-chip spectroscopic sensors have attracted increasing attention for portable and field-
deployable chemical detection applications. So far, these sensors largely rely on benchtop …

Combining microfluidics and FT-IR spectroscopy: towards spatially resolved information on chemical processes

A Perro, G Lebourdon, S Henry, S Lecomte… - Reaction Chemistry & …, 2016 - pubs.rsc.org
This review outlines the combination of infrared spectroscopy and continuous microfluidic
processes. FTIR spectroscopy gives access to the microscopic chemical composition of …

Opportunities for photonic integrated circuits in optical gas sensors

A Hänsel, MJR Heck - Journal of Physics: Photonics, 2020 - iopscience.iop.org
In this article, the potential of photonic integrated circuits (PICs) for modern gas sensing
applications is discussed. Optical detection systems can be found at the high-end of the …

Glucose sensing by waveguide-based absorption spectroscopy on a silicon chip

E Ryckeboer, R Bockstaele… - Biomedical optics …, 2014 - opg.optica.org
In this work, we demonstrate in vitro detection of glucose by means of a lab-on-chip
absorption spectroscopy approach. This optical method allows label-free and specific …