Analysis of a random modulation single photon counting differential absortion lidar system for space-borne CO2 sensing

Ai, Xiao and Pérez Serrano, Antonio and Quatrevalet, Mathieu and Nock, Richard W. and Dahnoun, Naim and Ehret, Gerhard and Esquivias Moscardo, Ignacio and Rarity, John G. (2016). Analysis of a random modulation single photon counting differential absortion lidar system for space-borne CO2 sensing. "Optics Express", v. 24 (n. 18); pp. 21119-21133. ISSN 1094-4087. https://doi.org/10.1364/OE.24.021119.

Description

Title: Analysis of a random modulation single photon counting differential absortion lidar system for space-borne CO2 sensing
Author/s:
  • Ai, Xiao
  • Pérez Serrano, Antonio
  • Quatrevalet, Mathieu
  • Nock, Richard W.
  • Dahnoun, Naim
  • Ehret, Gerhard
  • Esquivias Moscardo, Ignacio
  • Rarity, John G.
Item Type: Article
Título de Revista/Publicación: Optics Express
Date: 1 September 2016
Volume: 24
Subjects:
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Fotónica y Bioingeniería
Creative Commons Licenses: Recognition

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Abstract

The ability to observe the Earth's carbon cycles from space provides scientists an important tool to analyze climate change. Current proposed systems are mainly based on pulsed integrated path differential absorption lidar, in which two high energy pulses at different wavelengths interrogate the atmosphere sequentially for its transmission properties and are back-scattered by the ground. In this work an alternative approach based on random modulation single photon counting is proposed and analyzed; this system can take advantage of a less power demanding semiconductor laser in intensity modulated continuous wave operation, benefiting from a better efficiency, reliability and radiation hardness. Our approach is validated via numerical simulations considering current technological readiness, demonstrating its potential to obtain a 1.5 ppm retrieval precision for 50 km averaging with 2.5 W average power in a space-borne scenario. A major limiting factor is the ambient shot noise, if ultra-narrow band filtering technology could be applied, 0.5 ppm retrieval precision would be attainable.

Funding Projects

TypeCodeAcronymLeaderTitle
FP7313200BRITESPACEUniversidad Politécnica de MadridHigh Brightness Semiconductor Laser Sources for Space Applications in Earth Observation
Government of SpainTEC2012-38864-C03- 02RANGERUnspecifiedUnspecified
UnspecifiedTEC2015-65212-C3-2-PCOMBINAUnspecifiedUnspecified
UnspecifiedS2013/MIT-2790SINFOTON-CMUnspecifiedUnspecified

More information

Item ID: 43245
DC Identifier: http://oa.upm.es/43245/
OAI Identifier: oai:oa.upm.es:43245
DOI: 10.1364/OE.24.021119
Official URL: https://doi.org/10.1364/OE.24.021119
Deposited by: Dr. Antonio Pérez
Deposited on: 07 Sep 2016 11:31
Last Modified: 15 Mar 2019 16:41
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