LASER EYE SURGERY APPARATUS
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Jan 29, 2016
filing date -
Jan 29, 2016
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Abstract
A laser eye surgery apparatus includes: a laser device which includes a gain-switched seed light source configured to repeatedly generate seed laser pulses with a pulse width of 10 femtoseconds or greater and 1 nanosecond or less and vary repetition frequency of the seed laser pulses according to a set repetition frequency, the laser device being configured to emit laser pulses based on the seed laser pulses generated by the gain-switched seed light source; a condenser configured to condense the laser pulses in a transparent tissue of a patient's eye to cause photodisruption at concentration positions of the laser pulses in the transparent tissue; a scanner configured to scan the concentration position of each of the laser pulses; and a controller configured to control the gain-switched seed light source to change the repetition frequency of the seed laser pulses according to a scanning speed.
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