Ultrafast Coherent THz Lattice Dynamics Coupled to Spins in the van der Waals Antiferromagnet FePS3
Coherent THz optical lattice and hybridized phonon–magnon modes are triggered by
femtosecond laser pulses in the antiferromagnetic van der Waals semiconductor FePS3 …
femtosecond laser pulses in the antiferromagnetic van der Waals semiconductor FePS3 …
Purely wavelength-and amplitude-modulated quartz-enhanced photoacoustic spectroscopy
We report here on a quartz-enhanced photoacoustic (QEPAS) sensor employing a quantum
cascade laser (QCL) structure capable of operating in a pure amplitude or wavelength …
cascade laser (QCL) structure capable of operating in a pure amplitude or wavelength …
VCSEL-based atmospheric trace gas sensor using first harmonic detection
This paper presents a measurement system based on the first harmonic in tunable diode
laser absorption spectroscopy using a vertical-cavity surface-emitting laser to measure the …
laser absorption spectroscopy using a vertical-cavity surface-emitting laser to measure the …
Noise immune TDLAS temperature measurement through spectrum shifting by using a Mach–Zehnder interferometer
L Xu, G Hou, S Qiu, A Huang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A noise immune temperature measurement method is proposed by using tunable diode
laser absorption spectroscopy (TDLAS). Noise immunity is achieved through spectrum …
laser absorption spectroscopy (TDLAS). Noise immunity is achieved through spectrum …
Noise immune absorption profile extraction for the TDLAS thermometry sensor by using an FMCW interferometer
Tunable diode laser absorption spectroscopy (TDLAS) techniques usually utilize direct
absorption spectroscopy (DAS) to measure absorbance profiles for temperature …
absorption spectroscopy (DAS) to measure absorbance profiles for temperature …
FPGA-based real-time implementation of temperature measurement via tunable diode laser absorption spectroscopy
In this paper, a real-time temperature measurement system was implemented using a field
programmable gate array (FPGA) via tunable diode laser absorption spectroscopy. The …
programmable gate array (FPGA) via tunable diode laser absorption spectroscopy. The …
Recovery of absorption line shapes with correction for the wavelength modulation characteristics of DFB lasers
Tunable diode laser spectroscopy combined with wavelength modulation spectroscopy
(WMS) is an important technique for noninvasive measurements of gas parameters such as …
(WMS) is an important technique for noninvasive measurements of gas parameters such as …
A compact noise-immune TDLAS temperature sensor using intensity modulation
L Xu, G Hou, Y Li, S Qiu, Z Song… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
In this paper, a noise-immune method with light intensity modulation was proposed by using
a Mach-Zehnder fiber interferometer. Meanwhile, the fiber interferometer was reused as an …
a Mach-Zehnder fiber interferometer. Meanwhile, the fiber interferometer was reused as an …
Development of a CO2 sensor using TDLAS-WMS and its application for emission analysis in Munich
L Lan - 2020 - mediatum.ub.tum.de
This thesis develops a CO 2 sensor based on TDLAS-WMS. The precision of first-to-third
harmonics detection is 0.02 ppm for CO 2 with 10min averaged. The observation of CO 2 …
harmonics detection is 0.02 ppm for CO 2 with 10min averaged. The observation of CO 2 …
Controlling an SSB-SC Amplitude Modulator Using a Second-Order Control System
A simple yet useful construction of a system comprising of a “second-order control system”
attached to an “SSB-SC amplitude modulator”. Using the basic concepts of both, the latter …
attached to an “SSB-SC amplitude modulator”. Using the basic concepts of both, the latter …