The ChemCam instrument for NASA's Mars Science Laboratory mission uses a pulsed laser beam to vaporize a pinhead-size target, producing a flash of light from the ionized material (plasma) that can be analyzed to identify chemical elements in the target.
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Viewing Spark Generated by ChemCam Laser for Mars Rover

The ChemCam instrument for NASA's Mars Science Laboratory mission uses a pulsed laser beam to vaporize a pinhead-size target, producing a flash of light from the ionized material -- plasma -- that can be analyzed to identify chemical elements in the target.

This image from testing of the instrument shows ChemCam Principal Investigator Roger Wiens, of Los Alamos National Laboratory, observing the light from a plasma ball induced by the laser hitting a sample rock from a distance of about 3 meters (10 feet). The laser beam itself is invisible. The plasma is hazardous to the naked eye at close range.

ChemCam was conceived, designed and built by a U.S.-French team led by Los Alamos National Laboratory in Los Alamos, N. M.; NASA's Jet Propulsion Laboratory in Pasadena, Calif.; the Centre National d'Études Spatiales (the French government space agency); and the Centre d'Étude Spatiale des Rayonnements at the Observatoire Midi-Pyrénées, Toulouse, France.

JPL, a division of the California Institute of Technology in Pasadena, manages the Mars Science Laboratory mission for the NASA Science Mission Directorate, Washington. This mission will land a rover named Curiosity on Mars in August 2012. Researchers will use the tools on the rover to study whether the landing region has had environmental conditions favorable for supporting microbial life and favorable for preserving clues about whether life existed.

Image details

ID#:
PIA13397

Date added:
2010-09-21

Mission:
Mars Science Laboratory (MSL)

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3,014

Full-Res TIFF:
PIA13397.tif (29.92 MB)

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PIA13397.jpg (0.71 MB)

Image credit:
NASA/JPL-Caltech/LANL