Handheld, low-level laser apparatuses and methods for low-level laser beam production
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United States of America Patent
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Apr 17, 2018
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app pub date -
Dec 9, 2015
filing date -
Apr 30, 2013
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Abstract
A handheld, low-level laser apparatus includes a laser diode configured to generate a laser emission having an astigmatism. The apparatus further includes one or more corrective lens configured alone or in combination to correct the astigmatism and to collimate the laser emission, a divergence lens configured to diverge the laser emission after the laser emission passes through the one or more corrective lens, and a front lens configured to collimate the laser emission after the laser emission passes through the divergence lens. A low-level laser beam producing method includes repeatedly directing an IR laser emission through a series of lenses during a first set of time periods and repeatedly directing a visible laser emission through the series of lenses during a second set of time periods, each time period of the first set of time periods being distinct from each time period of the second set of time periods.
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