This video gives a simplified view of the components common to almost all IPL handpieces, and demonstrates their primary functions.
The flash lamps sources are typically standard components that can be supplied from several vendors, though their performance and lifetime are highly influenced by how the lamps are energized. All IPLs have a reflector to concentrate optical energy, a light guide to direct light to the surface of skin, and a filter to select the spectral energy delivered.
The light guide in most of the higher end devices provides skin cooling, allowing safe delivery of higher treatment energy. The video shows thermoelectric cooling, however water cooling is also an efficient method of cooling.
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