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PK-3 Plus (ISS Experiment)
The PK-3 Plus or (Plasmakristall-3 Plus) laboratory is a joint Russian-German laboratory for the investigation of dusty/complex plasmas on board the International Space Station (ISS), with the principal investigators at the German Max Planck Institute for Extraterrestrial Physics and the Russian Institute for High Energy Densities. It is the successor to the PKE Nefedov experiment with improvements in hardware, diagnostics and software. The laboratory was launched in December 2005 and has been operated for the first time in January 2006. As of September 2012, it has been used in 18 missions.
==Technical description==
The heart of the PK-3 Plus laboratory consists of a capacitively coupled plasma chamber. A plasma is generated by applying a radio frequency voltage signal to two electrodes. Microparticles are then injected into the plasma via dispensers that are mounted on the side of the electrodes. The microparticles are illuminated with a sheet of laser light from the side. They scatter the light, which is then recorded by up to four cameras mounted around the plasma chamber. The data from the cameras are recorded on hard drives that are physically brought back to Earth via Soyuz capsules for analysis.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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