Water vapor micropulse differential absorption lidar

Choonghoon Oh; Coorg R. Prasad; Victor A. Fromzel; In H. Hwang; John A. Reagan; Hui Fang; Manuel Rubio

doi:10.1117/12.351342

Water vapor micropulse differential absorption lidar

Choonghoon Oh, Coorg R. Prasad, Victor A. Fromzel, In H. Hwang, John A. Reagan, Hui Fang, Manuel Rubio

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Scopus citations

Abstract

By combining the capability of a differential absorption lidar (DIAL) and the excellent characteristics of a micro pulse lidar (MPL) we have designed and tested a micro pulse DIAL system, which could be operated from the ground or airborne platform, to monitor the atmospheric water vapor mixing ratio. To maintain the compact and rugged optical frame work of an MPL it employs a diode pumped tunable Cr:LiSAF laser operating at 825 - 840 nm range, a fiber optic beam delivery system, and an APD photon counting detector. The system parameters were optimized through extensive DIAL simulations, and the design concept was tested by building a breadboard lidar system. Based on the results of the simulations and the performance of the breadboard lidar the Micro Pulse DIAL system design has been refined to (1) minimize scattered laser light - the major source of signal induced bias, (2) permit near field measurements from less than 400 m, (3) produce a compact, rugged, eye-safe instrument with a day and night operating capability. The lidar system is expected to provide 150 m vertical resolution, high accuracy (approximately 5%), and 3 km range looking up from the ground.

Original language	English (US)
Title of host publication	Laser Radar Technology and Applications IV
Editors	Gary W. Kamerman, Christian Werner
Publisher	SPIE
Pages	177-186
Number of pages	10
ISBN (Electronic)	9780819431813
DOIs	https://doi.org/10.1117/12.351342
State	Published - May 28 1999
Event	Laser Radar Technology and Applications IV 1999 - Orlando, United States Duration: Apr 6 1999 → Apr 9 1999

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	3707
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Laser Radar Technology and Applications IV 1999
Country/Territory	United States
City	Orlando
Period	4/6/99 → 4/9/99

Keywords

DIAL
Micro pulse lidar
Water vapor

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.351342

Cite this

Oh, C., Prasad, C. R., Fromzel, V. A., Hwang, I. H., Reagan, J. A., Fang, H., & Rubio, M. (1999). Water vapor micropulse differential absorption lidar. In G. W. Kamerman, & C. Werner (Eds.), Laser Radar Technology and Applications IV (pp. 177-186). (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 3707). SPIE. https://doi.org/10.1117/12.351342

Water vapor micropulse differential absorption lidar. / Oh, Choonghoon; Prasad, Coorg R.; Fromzel, Victor A. et al.
Laser Radar Technology and Applications IV. ed. / Gary W. Kamerman; Christian Werner. SPIE, 1999. p. 177-186 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 3707).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Oh, C, Prasad, CR, Fromzel, VA, Hwang, IH, Reagan, JA, Fang, H & Rubio, M 1999, Water vapor micropulse differential absorption lidar. in GW Kamerman & C Werner (eds), Laser Radar Technology and Applications IV. Proceedings of SPIE - The International Society for Optical Engineering, vol. 3707, SPIE, pp. 177-186, Laser Radar Technology and Applications IV 1999, Orlando, United States, 4/6/99. https://doi.org/10.1117/12.351342

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abstract = "By combining the capability of a differential absorption lidar (DIAL) and the excellent characteristics of a micro pulse lidar (MPL) we have designed and tested a micro pulse DIAL system, which could be operated from the ground or airborne platform, to monitor the atmospheric water vapor mixing ratio. To maintain the compact and rugged optical frame work of an MPL it employs a diode pumped tunable Cr:LiSAF laser operating at 825 - 840 nm range, a fiber optic beam delivery system, and an APD photon counting detector. The system parameters were optimized through extensive DIAL simulations, and the design concept was tested by building a breadboard lidar system. Based on the results of the simulations and the performance of the breadboard lidar the Micro Pulse DIAL system design has been refined to (1) minimize scattered laser light - the major source of signal induced bias, (2) permit near field measurements from less than 400 m, (3) produce a compact, rugged, eye-safe instrument with a day and night operating capability. The lidar system is expected to provide 150 m vertical resolution, high accuracy (approximately 5%), and 3 km range looking up from the ground.",

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note = "Funding Information: This project was funded through a NASA/GSFC STTR Phase I Contract NAS 5-97232. We gratefully acknowledge discussions with Dr. James Sphinhirne of NASA/GSFC, who was the COTR for this project. Also the help and assistance of our collegues, in particular, Dr. Sam Ditman, Mr. William Hasselbrack, and Dr. Jun Zhang, is acknowledged. Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; Laser Radar Technology and Applications IV 1999 ; Conference date: 06-04-1999 Through 09-04-1999",

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N1 - Funding Information: This project was funded through a NASA/GSFC STTR Phase I Contract NAS 5-97232. We gratefully acknowledge discussions with Dr. James Sphinhirne of NASA/GSFC, who was the COTR for this project. Also the help and assistance of our collegues, in particular, Dr. Sam Ditman, Mr. William Hasselbrack, and Dr. Jun Zhang, is acknowledged. Publisher Copyright: © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

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N2 - By combining the capability of a differential absorption lidar (DIAL) and the excellent characteristics of a micro pulse lidar (MPL) we have designed and tested a micro pulse DIAL system, which could be operated from the ground or airborne platform, to monitor the atmospheric water vapor mixing ratio. To maintain the compact and rugged optical frame work of an MPL it employs a diode pumped tunable Cr:LiSAF laser operating at 825 - 840 nm range, a fiber optic beam delivery system, and an APD photon counting detector. The system parameters were optimized through extensive DIAL simulations, and the design concept was tested by building a breadboard lidar system. Based on the results of the simulations and the performance of the breadboard lidar the Micro Pulse DIAL system design has been refined to (1) minimize scattered laser light - the major source of signal induced bias, (2) permit near field measurements from less than 400 m, (3) produce a compact, rugged, eye-safe instrument with a day and night operating capability. The lidar system is expected to provide 150 m vertical resolution, high accuracy (approximately 5%), and 3 km range looking up from the ground.

AB - By combining the capability of a differential absorption lidar (DIAL) and the excellent characteristics of a micro pulse lidar (MPL) we have designed and tested a micro pulse DIAL system, which could be operated from the ground or airborne platform, to monitor the atmospheric water vapor mixing ratio. To maintain the compact and rugged optical frame work of an MPL it employs a diode pumped tunable Cr:LiSAF laser operating at 825 - 840 nm range, a fiber optic beam delivery system, and an APD photon counting detector. The system parameters were optimized through extensive DIAL simulations, and the design concept was tested by building a breadboard lidar system. Based on the results of the simulations and the performance of the breadboard lidar the Micro Pulse DIAL system design has been refined to (1) minimize scattered laser light - the major source of signal induced bias, (2) permit near field measurements from less than 400 m, (3) produce a compact, rugged, eye-safe instrument with a day and night operating capability. The lidar system is expected to provide 150 m vertical resolution, high accuracy (approximately 5%), and 3 km range looking up from the ground.

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ER -

Water vapor micropulse differential absorption lidar

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Keywords

ASJC Scopus subject areas

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