Applications of LAS

https://doi.org/10.3390/chemosensors10080321 “A TDLAS-based H2 sensor is proposed in this paper. A continuous-wave (CW), distributed feedback (DFB) diode laser was employed to cover the strongest absorption line

https://doi.org/10.3390/chemosensors11010030 “Figure 2 shows the schematic diagram of the ECQCL and QCTF detector-based gas detection system. The laser source that we used is a pulsed room-temperature

https://doi.org/10.3390/s23020622 ” 3.1. Set-Up The experimental set-up is presented in Figure 1. Figure 1. Experimental set-up. MPRR—micro-prism retroreflector; DL1, DL2—diode lasers; TC, IC—temperature and current controllers, respectively; sm—single

https://doi.org/10.3390/s22176707 “TDLAS (tunable diode laser absorption spectroscopy) is an important gas analysis method that can be employed to obtain characteristic parameters non-invasively by the infrared

https://doi.org/10.3390/s22155729 ” 2. TDLAS Diagnostics for NO and NO2 The theory of laser absorption spectroscopy is well understood and has been published previously [33,34,35,36]. The

https://doi.org/10.3390/s22166095 ” 2. Selection of H2O Absorption Lines The appropriate selection of spectral absorption lines is essential for temperature measurement in TDLAS [41]. H2O is

https://doi.org/10.3390/mi12121492 “A novel compact laser absorption spectrometer is developed for colorimetric detection. We demonstrate the realization of the system as well as example measurements of