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Jason Kapit and Anna Michel testing a laser spectrometry system.

Jason Kapit and Anna Michel testing a laser spectrometry system.
Jason Kapit and Anna Michel testing a laser spectrometry system.
Jason Kapit and Anna Michel testing a laser spectrometry system.
Jason Kapit and Anna Michel testing a laser spectrometry system.
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274857
Kostel, Kenneth
Jason Kapit and Anna Michel testing a laser spectrometry system.
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06/22/2016
graphics/A_Michel-Ramanspectroscopy/_N804155.JPG
Imag Of the Day caption:
Engineers Jason Kapit and Anna Michel test a laser spectrometer designed to detect changing levels of methane in the atmosphere. The system shoots a laser beam between two points in an environment. Different chemicals absorb light along the way, and a detector measures the amount of light that emerges at the far end and the amount of gas that is present. The researchers are particularly interested in how much methane, a strong greenhouse gas, emerges from Arctic locations over time.
Photo by Ken Kostel
© Woods Hole Oceanographic Institution
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