Impedance tuning of an electrode-less plasma lamp
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United States of America Patent
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Aug 4, 2015
Grant Date -
Dec 4, 2014
app pub date -
Apr 22, 2014
filing date -
Jun 3, 2013
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Abstract
A method for operating a plasma lamp apparatus. The method includes providing a resonator structure configured with a bulb comprising a fill mixture. The bulb is coupled to an output coupling element. The method applying an RF power source to a resonator structure configured with an input coupling element and coupling the RF power to the output coupling element configured with the input coupling element to cause the fill mixture to discharge electromagnetic radiation. The method includes adjusting a spatial distance or relative configuration between the input coupling element and the output coupling element during output of the electromagnetic radiation and causing a change in an impedance value of the resonator structure to initiate an adjustment of a power transfer from the RF power source to an output of the electromagnetic radiation.
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