Utilization of pulsed GaAs diode lasers to complex lidar remote sensing

Penchev, S.; Pencheva, V.; Naboko, Vassily Nikolaevit; Naboko, S.

doi:10.1109/aem.2000.943299

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Retrieval and Calibration Of Humidity Profile1

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“…HITRAN data are known with an error of less than 1% uncertainty [1]. In addition, the theoreticallyderived absorption profiles are accurately calibrated by the strongest experimentally measured absorption line of water vapor of =11118,32cm -1 reference frequency [9]. The raw data are processed and formatted in the final form by Origin Data Analysis and Graphing software.…”

Section: Retrieval and Calibration Of Humidity Profilementioning

confidence: 99%

DIAL hygrometer based on powerful laser diodes: calibration function and modulation of laser radiation

Pencheva

Penchev

Dreischuh

2023

J. Phys.: Conf. Ser.

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A differential absorption lidar method utilizing the spectral and energetic properties of high-power, pulsed laser diodes for remote sensing of atmospheric humidity is reported. The laser radiation of selected complementary laser diodes is multiplexed in dual spectral channels centered at optimal wavelength of 0.86µm and 0.911µm. Humidity profiles are retrieved integrating multiple resonance lines in the tunable range within the absorption spectrum of water vapor. The integral spectrum is less affected by the variable atmospheric pressure and temperature, which is an essential advantage allowing direct and reliable DIAL measurement.

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Section: Retrieval and Calibration Of Humidity Profilementioning

confidence: 99%