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METHOD AND DEVICE FOR SHIELDING A HIGH POWER LASER APPARATUS AND HIGH-POWER-LASER OPTICAL SYSTEM EMPLOYING SUCH A DEVICE
METHOD AND DEVICE FOR SHIELDING A HIGH POWER LASER APPARATUS AND HIGH-POWER-LASER OPTICAL SYSTEM EMPLOYING SUCH A DEVICE
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机译:屏蔽使用这种装置的高功率激光装置和高功率激光光学系统的方法和装置
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摘要
Method for shielding a high-power laser apparatus (S) in which a laser beam is generated and then amplified in at least a first amplification stage, including spatial filtering (4) of the amplified laser beam, phase correction (3) carried out on the laser beam before it is spatially filtered, and a measurement of the aberrations (7) on the laser beam. The phase of the beam is corrected so as to produce a beam having minimal aberrations after spatial filtering. The shielding device (D, D′) implementing this method may in particular be employed in apparatus using an intense laser beam of high (terawatt) peak power and in proton therapy units.
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