New retrieval method boosts accuracy of open-path infrared gas sensing

A research team from the Anhui Institute of Optics and Fine Mechanics, the Hefei Institutes of Physical Science of the ...
CNET

The $0 Home Security System That's Currently Hiding in Your Junk Drawer

Let's talk about that graveyard of old phones you have stashed in a drawer. Instead of letting them collect dust until they become ancient artifacts, it's time to put one of them to work as part of ...
IEEE

Initial Nonreciprocal Phase Shift Measurement Method for Reflective Fiber Optical Voltage Sensor

Abstract: The reflective piezoelectric effect fiber optic voltage sensor (RFOVS) encounters significant challenges in practical application. Due to limitations in the manufacturing process, achieving ...
IEEE

Minimum Distance Classification for Dynamical Systems and Sensors

Abstract: Sensors and systems often exhibit different dynamics in response to various stimuli. The problem of determining which of the dynamics has generated a given observation sequence is referred ...
C&EN

Near-Infrared Organic Photodetectors with Ultralow Dark Current for Photoplethysmogram Sensor and Optical Communication Applications

Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China ...