Extended tuning of distributed-feedback lasers in a bias-tee circuit via waveform optimization for MHz-rate absorption spectroscopy
Variations in injection-current waveform are examined using diplexed radio-frequency
modulation with continuous-wave distributed-feedback (CW-DFB) lasers, with the aim to …
modulation with continuous-wave distributed-feedback (CW-DFB) lasers, with the aim to …
Quantum cascade lasers: a versatile source for precise measurements in the mid/far-infrared range
We provide an overview of recent developments of quantum cascade lasers (QCLs), from
the mid-infrared (mid-IR) to the far-IR (THz) range, with a special focus on their metrological …
the mid-infrared (mid-IR) to the far-IR (THz) range, with a special focus on their metrological …
On-chip liquid sensing using mid-IR plasmonics
The investigation of molecules in the mid-IR spectral range has revolutionized our
understanding in many fields such as atmospheric chemistry and environmental sensing for …
understanding in many fields such as atmospheric chemistry and environmental sensing for …
Frequency chirped Fourier-transform spectroscopy
Fast (sub-second) spectroscopy with high spectral resolution is of vital importance for
revealing quantum chemistry kinetics of complex chemical and biological reactions. Fourier …
revealing quantum chemistry kinetics of complex chemical and biological reactions. Fourier …
High-precision molecular spectroscopy in the mid-infrared using quantum cascade lasers
S Borri, G Insero, G Santambrogio, D Mazzotti… - Applied Physics B, 2019 - Springer
Quantum cascade lasers (QCLs) are becoming a key tool in several advanced experiments
in the field of precision molecular spectroscopy and absolute frequency metrology. In view of …
in the field of precision molecular spectroscopy and absolute frequency metrology. In view of …
Highly coherent phase-lock of an 8.1 μm quantum cascade laser to a turn-key mid-IR frequency comb
B Chomet, D Gacemi, O Lopez, L Del Balzo… - Applied Physics …, 2023 - pubs.aip.org
A continuous-wave Fabry–Pérot quantum cascade laser (QCL) emitting at 8.1 μm operating
in the single mode regime has been coherently phase locked to a turn-key low-noise …
in the single mode regime has been coherently phase locked to a turn-key low-noise …
Mid-infrared trace gas sensor technology based on intracavity quartz-enhanced photoacoustic spectroscopy
The application of compact inexpensive trace gas sensor technology to a mid-infrared nitric
oxide (NO) detectoion using intracavity quartz-enhanced photoacoustic spectroscopy (I …
oxide (NO) detectoion using intracavity quartz-enhanced photoacoustic spectroscopy (I …
Miniaturized multi-pass cell based photoacoustic gas sensor for parts-per-billion level acetylene detection
A highly sensitive photoacoustic (PA) gas sensor using a miniaturized Herriott-type multi-
pass cell is reported. A cylindrical concave mirror and a cylindrical planar mirror are utilized …
pass cell is reported. A cylindrical concave mirror and a cylindrical planar mirror are utilized …
Narrow-linewidth external cavity semiconductor laser based on permanent index modulated grating optical feedback for radiation resistance
We demonstrate a narrow-linewidth external cavity semiconductor laser (ECSL) based on
permanent index modulated Bragg grating feedback for radiation resistance. The frequency …
permanent index modulated Bragg grating feedback for radiation resistance. The frequency …
[HTML][HTML] Near-to mid-IR spectral purity transfer with a tunable frequency comb: Methanol frequency metrology over a 1.4 GHz span
We report the upgrade and operation of a frequency-comb-assisted high-resolution mid-
infrared molecular spectrometer, allowing us to combine high spectral purity, International …
infrared molecular spectrometer, allowing us to combine high spectral purity, International …