Until this point, our discussion has been focused upon lasers. These have been single wavelength, coherent beams of light, which are used to treat various conditions. Although many of these systems are extremely effective in their respective functionalities, the fact that they all emit a single wavelength of light limits their versatility. Having one wavelength, they all have one level of absorption, and therefore have only limited purpose. The introduction of the intense pulsed light system (know as “pulsed light” technology) has been facilitated by the theory of bands of multiple wavelengths being isolated and utilized for the treatment of a wide range of conditions. Through the use of a Xenon flashlamp and selective dichroic light filters, a pulsed light hand piece can be tailored to the proper wavelengths possessing the optimal absorption for the condition that is being treated.
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