Raman Lidar Temperature Profiler

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX12CF29P
Agency Tracking Number: 114515
Amount: $124,998.00
Phase: Phase I
Program: SBIR
Awards Year: 2012
Solicitation Year: 2011
Solicitation Topic Code: A3.02
Solicitation Number: N/A
Small Business Information
MD, Columbia, MD, 21046-2985
DUNS: 123310083
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Guangkun Li
 Principal Investigator
 (443) 539-3111
Business Contact
 Richard Lee
Title: Chief Financial Officer
Phone: (443) 539-1742
Email: rlee@apmaldi.com
Research Institution
Aircraft wake vortices is especially hazardous during the landing and taking-off phases of flight. It is essential to obtain an accurate atmospheric temperature profile in the lower troposphere for a better prediction and understanding of aircraft wake vortex. In this NASA SBIR project, we propose to build a lidar instrument that is capable of measuring both the daytime and nighttime atmospheric temperature profile in the lower troposphere. Atmospheric temperature measurement using Raman Lidar technique is well established and has been implemented by a lot of research groups. The major innovation of our approach is to use a low-power, high-repetitive-rate laser, instead of the high-power, low-repetitive-rate flash-lamp-pumped laser systems commonly used for such instruments. This will allow us to achieve the goals of building an eye-safe, compact, robust, reliable, relatively inexpensive and low maintenance instrument. The proposed lidar will be able to achieve 1K accuracy, good range resolution (~100m) with a range up to 3 km at both daytime and nighttime with under 10 minutes of averaging. We will build a breadboard system for Phase I and perform a proof of concept temperature measurement. We will bring the development to preliminary design so that Phase II may begin with the final system design and begin construction as early as possible. Phase II will provide for delivery of a prototype and culminate in a series of validation field trials, comparing our measured profiles with other measurement techniques.

* Information listed above is at the time of submission. *

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