Ultra-highly sensitive dual gases detection based on photoacoustic spectroscopy by exploiting a long-wave, high-power, wide-tunable, single-longitudinal-mode solid …
S Qiao, Y He, H Sun, P Patimisco… - Light: Science & …, 2024 - nature.com
Photoacoustic spectroscopy (PAS) as a highly sensitive and selective trace gas detection
technique has extremely broad application in many fields. However, the laser sources …
technique has extremely broad application in many fields. However, the laser sources …
Recent advances and outlook in single-cavity dual comb lasers
Dual-comb spectroscopy as an emerging tool for spectral analysis has been investigated in
a wide range of applications, including absorption spectroscopy, light detection and ranging …
a wide range of applications, including absorption spectroscopy, light detection and ranging …
The time-programmable frequency comb and its use in quantum-limited ranging
Two decades after its invention, the classic self-referenced frequency comb laser is an
unrivalled ruler for frequency, time and distance metrology owing to the rigid spacing of its …
unrivalled ruler for frequency, time and distance metrology owing to the rigid spacing of its …
[HTML][HTML] Coherent optical frequency combs: From principles to applications
A coherent optical frequency comb is a kind of broad-spectrum light sources delivering
equidistant frequencies, and correspondingly its temporal waveform appears as a sequence …
equidistant frequencies, and correspondingly its temporal waveform appears as a sequence …
[HTML][HTML] Doubly resonant sub-ppt photoacoustic gas detection with eight decades dynamic range
Photoacoustic spectroscopy (PAS) based gas sensors with high sensitivity, wide dynamic
range, low cost, and small footprint are desirable in energy, environment, safety, and public …
range, low cost, and small footprint are desirable in energy, environment, safety, and public …
Cavity-enhanced photoacoustic dual-comb spectroscopy
Photoacoustic dual-comb spectroscopy (DCS), converting spectral information in the optical
frequency domain to the audio frequency domain via multi-heterodyne beating, enables …
frequency domain to the audio frequency domain via multi-heterodyne beating, enables …
Dual-comb photothermal spectroscopy
Dual-comb spectroscopy (DCS) has revolutionized optical spectroscopy by providing
broadband spectral measurements with unprecedented resolution and fast response …
broadband spectral measurements with unprecedented resolution and fast response …
Near-ultraviolet photon-counting dual-comb spectroscopy
Ultraviolet spectroscopy provides unique insights into the structure of matter with
applications ranging from fundamental tests to photochemistry in the Earth's atmosphere …
applications ranging from fundamental tests to photochemistry in the Earth's atmosphere …
Optical-resolution functional gastrointestinal photoacoustic endoscopy based on optical heterodyne detection of ultrasound
Y Liang, W Fu, Q Li, X Chen, H Sun, L Wang… - Nature …, 2022 - nature.com
Photoacoustic endoscopy shows promise in the detection of gastrointestinal cancer,
inflammation, and other lesions. High-resolution endoscopic imaging of the hemodynamic …
inflammation, and other lesions. High-resolution endoscopic imaging of the hemodynamic …
Dual-comb optomechanical spectroscopy
Optical cavities are essential for enhancing the sensitivity of molecular absorption
spectroscopy, which finds widespread high-sensitivity gas sensing applications. However …
spectroscopy, which finds widespread high-sensitivity gas sensing applications. However …