Measurement of laser-induced breakdown threshold intensities of high-pressure gasses and water droplets to determine the number density of an aerosol |
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| Authors: | H Yashiro F Sasaki |
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| Institution: | a Photonics Research Institute (PRI), National Institute of Advanced Industrial Science and Technology (AIST), Japanb Research Center for New Fuels and Vehicle Technology (NFV), National Institute of Advanced Industrial Science and Technology (AIST), Japan |
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| Abstract: | The laser-induced breakdown threshold intensities of high-pressure gasses as a function of pressure were measured. The breakdown threshold intensity of N2 gas was found to be much higher than those of He and Ar gasses at a gas pressure of 2.0 MPa. It was also 7 to 11 times higher than that of aerosol droplets, and is sufficiently high to allow the number density of droplets to be measured in a high-pressure aerosol by laser-induced breakdown. |
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| Keywords: | Laser-induced breakdown Plasma High-pressure gasses Aerosol |
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