The PolySense team has just published a new article on Photoacoustics Journal Elsevier (IF 7.1) reporting on a novel optical synchronized signal demodulation (OSSD) method applied in quartz-enhanced photoacoustic spectroscopy (QEPAS) for remote gas sensing. Using 1 % of the laser source as an optical syn chronization signal, kilometer-scale remote gas detection was achieved, overcoming Leggi di piùNew Publication on Photoacoustics Journal[…]
The PolySense team has just published a new article on Photoacoustics Journal Elsevier (IF 7.1) reporting on a ppb-level sulfur dioxide (SO2) monitoring platform by exploiting standard photoacoustic spectroscopy and a novel, highly stable UV laser. A 266.22 nm LD-pumped solid-state, acousto-optic modulator Q-switched laser. An ultimate detection limit of 3 ppb for SO2 detection in N2 Leggi di piùNew Publication on Photoacoustics Journal[…]
The PolySense team has just published a new article on Sensors and Actuators B Chemical Journal Elsevier (IF 8.0) reporting on a quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor for ammonia impurities detection in hydrogen. A quantum cascade laser with a central emission wavelength of 9.062 μm was used to excite the NH3 absorption line at 1103.44 cm−1, with Leggi di piùNew Publication on Sensors and Actuators B Chemical Journal[…]
We are proud to share that PolySense and Polysense Innovations team members have once again been recognized in the World Scientists Rankings 2025 by the AD Scientific Index! The AD Scientific Index (Alper-Doger Scientific Index) evaluates researchers based on their scientific performance and the impact of their work, making this achievement particularly meaningful. A huge Leggi di piùPolysense and Polysense Innovations Team members listed in the World Scientists Rankings 2025 by AD Scientific Index[…]
The PolySense team has just published a new article on Photoacoustics Journal Elsevier (IF 7.1) reporting on a novel indium fluoride glass 2-input-1-output fiber combiner, that was designed and fabricated to combine two Interband Cascade Laser (ICL) sources emitting in the mid-infrared wavelength range. To test the combiner performance, a dual-gas quartz-enhanced photoacoustic spectroscopy sensor Leggi di piùNew Publication on Photoacoustics Journal[…]
The PolySense team has just published a new article on ACS Energy&Fuels journal reporting on a compact and portable gas sensor based on quartz-enhanced photoacoustic spectroscopy (QEPAS) for the detection of methane (C1), ethane (C2), and propane (C3) in natural gas (NG)-like mixtures. An interband cascade laser (ICL) emitting at 3367 nm has been employed Leggi di piùNew publication on ACS Energy & Fuels journal[…]
The PolySense team has just published a new article on International Journal of Hydrogen Energy – Elsevier (IF 9.1) reporting on a custom quartz tuning fork (QTF) as sensor for the detection of high concentrations of hydrogen in air. Exciting the fundamental flexural mode of a commercially available 12.4 kHz-QTF, we demonstrated the linear dependence Leggi di piùNew Publication on International Journal of Hydrogen Energy[…]
Polysense is proud to communicate that team members have been listed for the fifth year in a row in the Top 2% Scientists list in the world by Stanford University. In particular, Vincenzo Spagnolo appear in the full career Top 2% Scientists list, scaling more than 30K positions since last year. while Vincenzo Spagnolo, Pietro Leggi di piùPolysense Team members listed in the 2023 Top 2% Scientists in the world by Stanford University[…]
The PolySense team has just published a new article on Applied Physics Reviews Journal AIP (IF 15) reporting on a sensing system in the realm of long-wavelength infrared spectroscopy for achieving enhanced selectivity and sensitivity of benzene, toluene, and propane detection through quartz-enhanced photoacoustic spectroscopy. High-resolution gas spectroscopy is made possible by the use of Leggi di piùNew Publication on Applied Physics Reviews Journal[…]
The PolySense team has just published a new article on Photoacoustics Journal Elsevier (IF 7.9) reporting on a computational and experimental fluid dynamics study for the characterization of the flow field within the gas chamber of a Quartz-Enhanced Photoacoustic Spectroscopy (QEPAS) sensor, at different flow rates at the inlet of the chamber. The transition from Leggi di piùNew Publication on Photoacoustics Journal[…]