A Non‐invasive Lung Disease Study of Exhaled Breath Nitric Oxide Based on Ultraviolet Differential Absorption Spectroscopy Techniques
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Biophotonics"
DOI: 10.1002/jbio.202400481
Abstract: In this study, a non‐invasive device based on ultraviolet differential absorption spectroscopy (UV‐DOAS) technology for detecting fractional exhaled nitric oxide (FeNO)was developed and clinically validated in patients with various lung diseases. The diagnostic potential of… read more here.
Keywords: spectroscopy; absorption spectroscopy; ultraviolet differential; differential absorption ... See more keywords
Observing System Simulation Experiments Exploring Potential Spaceborne Deployment Options for a Differential Absorption Radar Measuring Marine Surface Pressures
Sign Up to like & getrecommendations! Published in 2024 at "Earth and Space Science"
DOI: 10.1029/2024ea003791
Abstract: A new technology for remote measurements of marine surface pressure has been proposed, employing a V‐band differential absorption radar and a radiometric temperature sounder to calculate the total column atmospheric mass. Observing System Simulation Experiments… read more here.
Keywords: observing system; surface; simulation; differential absorption ... See more keywords
Atmospheric Humidity Sounding Using Differential Absorption Radar Near 183 GHz
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2017.2776078
Abstract: A tunable G-band frequency-modulated continuous-wave radar system has been developed and used to perform differential absorption atmospheric humidity measurements for the first time. The radar’s transmitter uses high- power-handling GaAs Schottky diodes to generate between… read more here.
Keywords: absorption; atmospheric humidity; differential absorption; radar ... See more keywords
Differential absorption of circularly polarized light by a centrosymmetric crystal.
Sign Up to like & getrecommendations! Published in 2025 at "Science"
DOI: 10.1126/science.adr5478
Abstract: Crystalline solids are governed by universal structure-property relationships derived from their crystal symmetry, leading to paradigmatic rules on what properties they can and cannot exhibit. A long-held structure-property relationship is that centrosymmetric crystals cannot differentially… read more here.
Keywords: light centrosymmetric; crystalline solids; differential absorption; circularly polarized ... See more keywords
Evaluation of systematic errors for the continuous-wave NO2 differential absorption lidar employing a multimode laser diode.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.403659
Abstract: The NO2-differential absorption lidar (NO2-DIAL) technique has been of great interest for atmospheric NO2 profiling. Comprehensive studies on measurement errors in the NO2-DIAL technique are vital for the accurate retrieval of the NO2 concentration. This… read more here.
Keywords: absorption; dial technique; no2 differential; differential absorption ... See more keywords
Energy calibration of integrated path differential absorption lidars.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.007501
Abstract: The stringent requirements for energy reference measurement represent a challenging task for integrated path differential absorption lidars to measure greenhouse gas columns from satellite or aircraft. The coherence of the lidar transmitter gives rise to… read more here.
Keywords: path differential; energy; integrated path; differential absorption ... See more keywords
Development and application of an airborne differential absorption lidar for the simultaneous measurement of ozone and water vapor profiles in the tropopause region.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.005892
Abstract: A new, combined, lidar system has been developed that is able to simultaneously measure profiles of ozone and water vapor onboard aircraft. The concurrent measurement of these complementary trace species in the upper troposphere and… read more here.
Keywords: lidar; absorption lidar; ozone water; water vapor ... See more keywords
Three-dimensional detection of CO2 and wind using a 1.57 µm coherent differential absorption lidar.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.523904
Abstract: A 1.57-µm coherent differential absorption lidar is demonstrated for measuring three-dimensional CO2 and wind fields simultaneously. The maximum detection range of CO2 is up to 6 km with a range resolution of 120 m and a… read more here.
Keywords: co2; absorption lidar; co2 wind; coherent differential ... See more keywords
1.645 µm Er:YAG single-mode dual-wavelength emitter for CH4 differential absorption lidar.
Sign Up to like & getrecommendations! Published in 2024 at "Optics letters"
DOI: 10.1364/ol.538254
Abstract: We present a hybrid fiber/bulk laser source at 1.645 µm designed for methane (CH4) monitoring using differential absorption lidar (DIAL) measurements in the atmosphere. The emitter is also suited for coherent wind Doppler lidar. It relies… read more here.
Keywords: absorption lidar; dual wavelength; wavelength; differential absorption ... See more keywords
Atmospheric Mercury Pollution in the Xi’an Area, China, Studied by Differential Absorption Lidar
Sign Up to like & getrecommendations! Published in 2020 at "Atmosphere"
DOI: 10.3390/atmos12010027
Abstract: Measurements of the atmospheric concentration of polluting atomic mercury were performed using the differential absorption lidar (DIAL) technique in the Lintong district, about 35 km northeast of Xi’an, the capital of the Shaanxi province, China.… read more here.
Keywords: absorption lidar; mercury; differential absorption; china ... See more keywords
Real-Time Tracking of Photovoltaics by Differential Absorption Imaging in Optical Wireless Power Transmission
Sign Up to like & getrecommendations! Published in 2024 at "Photonics"
DOI: 10.3390/photonics11060490
Abstract: In the future, wireless power transmission is expected to cover power levels ranging from milliwatts to megawatts and over distances of a few meters to kilometers for both stationary and moving photovoltaic (PV) targets. Optical… read more here.
Keywords: wireless power; power transmission; power; differential absorption ... See more keywords