Hemispherical Mercuric Iodide Detector

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-FG02-01ER83139
Agency Tracking Number: 65821S01-I
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2001
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
45 Manning Road, Billerica, MA, 01821
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Mark Zahniser
 Principal Research Scientist
 (978) 663-9500
 mz@aerodyne.com
Business Contact
 Charles Kolb
Title: President
Phone: (978) 663-9500
Email: kolb@aerodyne.com
Research Institution
N/A
Abstract
65821 Aircraft measurements of ammonia and nitric acid can provide critical information on the sources and sinks of these atmospheric nitrogen species. This is important in understanding air quality, aerosol formation, visibility, and the impact of energy production and usage on global climate change. This project will develop a compact tunable infrared laser differential absorption spectrometer. Based on recent advances in room temperature pulsed quantum cascade lasers, it will greatly improve the sensitivity of real-time airborne measurements for the detection of ammonia and nitric acid at the 10 parts-per-billion level. In Phase I, the sensitive detection of nitric acid with pulsed quantum cascade lasers will be simulated. A pulse shaping network for decreasing the laser width will be developed to improve sensitivity. Sampling issues, including inlet design and wall loss, will be explored. Commercial Applications And Other Benefits as described by awardee: A sensitive, cryogen-free, mid-infrared absorption method for atmospheric trace gas detection should have wide benefits for environmental research, medical diagnostics, and industrial process monitoring of gaseous compounds. Examples include air pollution monitoring, breath analysis, combustion exhaust diagnostics, and plasma diagnostics for semi-conductor fabrication.

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

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