Results 11 to 20 of about 14,602 (246)
Flight Demonstration of a 2-Micron, Double Plused CO2 IPDA Lidar Instrument [PDF]
NASA Langley Research Center (LaRC) developed a double pulsed, high energy 2-micron Integrated Path Differential Absorption (IPDA) lidar instrument to measure atmospheric CO2 column density.
Yu Jirong +6 more
doaj +1 more source
Energy calibration of integrated path differential absorption lidars [PDF]
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 speckle effects that have to be considered for accurate monitoring of the energy ratio of outgoing ...
Andreas Fix +3 more
openaire +3 more sources
Monitoring Cl_2 using a differential absorption lidar system [PDF]
Detection des sources et poursuite de panache.
Edner, Hans +3 more
openaire +4 more sources
This study explores a new concept of Martian differential absorption Lidar operating at the 2‐μm CO2 absorption band for atmospheric CO2 and pressure observations.
B. Lin, Z. Liu
doaj +1 more source
Stabilized master laser system for differential absorption lidar [PDF]
Wavelength accuracy and stability are key requirements for differential absorption lidar (DIAL). We present a control and timing design for the dual-stabilized cw master lasers in a pulsed master-oscillator power-amplifier configuration, which forms a robust low-cost water-vapor DIAL transmitter system.
Dinovitser, A. +2 more
openaire +3 more sources
A micro-pulse lidar system incorporating differential absorption lidar (DIAL) and coherent Doppler wind lidar (CDWL) is proposed and demonstrated. Due to the high signal-to-noise ratio (SNR) of the superconducting nanowire single-photon detector (SNSPD),
Bin Yue +10 more
doaj +1 more source
Opo lidar sounding of trace atmospheric gases in the 3 – 4 μm spectral range
The applicability of a KTA crystal-based laser system with optical parametric oscillators (OPO) generation to lidar sounding of the atmosphere in the spectral range 3–4 μm is studied in this work.
Romanovskii Oleg A. +3 more
doaj +1 more source
First Steps of Maturation Towards Space of Nested Cavity Optical Parametric Oscillator and Amplifiers for DIAL Based on Periodically Poled Nonlinear Materials [PDF]
We report on the first steps of maturation towards space of a nested cavity optical parametric oscillator and amplifiers, based on periodically poled nonlinear materials, emitting in the 2µm range for multi species differential absorption lidar (DIAL).
Dherbecourt Jean-Baptiste +10 more
doaj +1 more source
Differential Absorption Lidar (DIAL) Measurements of Landfill Methane Emissions
Methane is one of the most important gaseous hydrocarbon species for both industrial and environmental reasons. Understanding and quantifying methane emissions to atmosphere is therefore an important element of climate change research.
Fabrizio Innocenti +4 more
doaj +1 more source
Field tests of the mobile lidar for tropospheric ozone sensing on horizontal (inclined) and vertical paths [PDF]
The results of field tests of the mobile lidar for ozone sensing on horizontal (inclined) and vertical paths are presented. The lidar operates on the basis of the differential absorption and scattering method at wavelengths of 299/341 nm and allows ...
Nevzorov Alexey +2 more
doaj +1 more source

