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[…]

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[…]

The PolySense team has just published  a new article on Light: Science & Applications Journal (IF 19.4) reporting on a long-wave, high-power, wide-tunable, singlelongitudinal- mode solid-state laser used as light source in a PAS sensor for trace gas detection. The wide wavelength tuning range of 9.44 nm covers the absorption spectra of water and ammonia, Leggi di piùNew Publication on Light: Science & Applications Journal[…]

The PolySense team has just published  a new article on Optics and Laser Technology Journal (IF 5) reporting on an optical system embedded within a sealed metallic cylinder containing an aspheric micro-lens to couple a single-mode interband cascade laser with an indium fluoride glass fiber. The fiber output is plug & play connected to an Leggi di piùNew Publication on Optics and Laser Technology Journal[…]