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SBIR/STTR

Ultrasensitive Mid-Infrared In Situ Spectrometer for Planetary Atmospheric Analysis, Phase I

Completed Technology Project

Project Introduction

Ultrasensitive Mid-Infrared In Situ Spectrometer for Planetary Atmospheric Analysis, Phase I
The Small Business Innovative Research Phase I proposal seeks to develop a compact, robust in situ spectrometer capable of detecting multiple gas-phase species in planetary atmospheres with ultra-high sensitivity and selectivity. This instrument will employ a novel room-temperature, widely tunable mid-infrared laser source in conjunction with cavity ringdown spectroscopy. During Phase I, the 3.3 to 3.5 µm spectral region will be targeted, which overlaps the spectral absorption features of variety of hydrocarbons, including methane, ethane, and formaldehyde. The ultra-high sensitivity of the proposed system will enable these species to be detected at concentrations below 7*107/cm3 per minute, which corresponds to a detection limit of <30 pptv in Earth?s atmosphere. More »

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