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Water vapor differential absorption lidar development and evaluation
Applied Optics, 1979A ground-based differential absorption lidar (DIAL) system is described which has been developed for vertical range-resolved measurements of water vapor. The laser transmitter consists of a ruby-pumped dye laser, which is operated on a water vapor absorption line at 724.372 nm.
E V, Browell +2 more
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Numerical simulation for differential absorption lidar system
SPIE Proceedings, 2007In the recent years, the most country in the word attach importance to the environmental and the protection of environmental doubly. The differential absorption lidar (DIAL)operating in the infrared wavelengths is a powerful standoff sensor for rapid remote detection of chemical emissions.
WeiRan Wang, ShiRong Yin
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Differential absorption lidar sensing of ozone
Proceedings of the IEEE, 1989The differential absorption lidar (DIAL) technique for deriving O/sub 3/ profiles from lidar measurements is discussed. The US National Aeronautics and Space Administration's airborne DIAL system is described, and examples of a broad range of O/sub 3/ and aerosol measurements are presented from a number of field experiments.
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Surface ozone measurements using differential absorption lidar
SPIE Proceedings, 2005Human activities have been influencing the global atmosphere since the beginning of the industrial era, causing shifts from its natural state. The measurements have shown that tropospheric ozone is increasing gradually due to anthropogenic activities.
Sohan L. Jain +4 more
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Atmospheric tomography using differential absorption lidar
SPIE Proceedings, 1997Differential Absorption Lidar measurements from a satellite platform are more complex and can yield more information than terrestrial DIAL measurements because of the significant Doppler shift associated with high satellite velocity relative to the atmosphere. This Doppler effect can be exploited as an extra degree of freedom in matching laser lines to
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The reference range for differential absorption lidars
Optical and Quantum Electronics, 1980The concept of reference range for lidars is extended to the case of differential absorption lidars. A method for determining the wavelengths of operation, optimal from the point of view of maximum reference range for uniform and non-uniform absorbant distribution, is presented.
P. Richter, I. P�czeli
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Optimal bandwidth for topographical differential absorption lidar detection
Applied Optics, 1996A detected laser signal backscattered from a tilted target is modeled with a laser-pulse shape as a response of a high-pass filter to an exponential input that describes the gain buildup within the laser cavity before a laser pulse is emitted and a single-pole low-pass RC filter for the electronic amplifier.
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Laser prf considerations in differential absorption lidar applications
Applied Optics, 1983Laser pulse repetition frequency (prf) is a major factor in determining the performance of differential absorption lidar (DIAL) systems. The effects of laser prf on concentration measurement accuracy and maximum usable range are quantified. Heterodyne-detection (coherent) and direct-detection (noncoherent) as well as path-averaged and range-resolved ...
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Differential Absorption Lidar Measurements of Tropospheric Ozone
Laser Applications to Chemical Analysis, 1994Ozone is one of the most important trace species in the atmosphere and the focus of several important environmental issues. Most ozone resides in the stratosphere where it plays a critical role in protecting the biosphere from harmful solar ultraviolet radiation.
Andrew O. Langford, Michael H. Proffitt
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Analysis of differential absorption lidar from the Space Shuttle
Applied Optics, 1978A parametric analysis of the Shuttle-borne differential absorption lidar concept for the measurement of atmospheric trace constituent profiles in the nadir viewing mode is presented. The criterion of an optimum constituent optical depth is developed and applied to generate estimates of range resolved measurement errors.
E E, Remsberg, L L, Gordley
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