This work proposes a low-cost battery-less near-field communication (NFC) tag for gas sensing based on a resistive gas sensor. A proof-of-concept tag is designed using commercially available ...

A laser gas sensor with phase compensation in free space is designed based on a half-mirror and mixer in this study. The half-mirror is employed to split the returned beam into transmitted and ...

A simulation-ready gas sensor library for Proteus Design Suite, including .HEX, .LIB, and .IDX files for seamless integration into embedded system simulations.

A wavelength modulation solid photoacoustic spectroscopic (WM-SPAS) sensor enhanced with an open-type multi-pass cell (OMPC) is reported for highly sensitive detection of trace gases, especially ...

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