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Pulse-stretched Alexandrite laser for improved optical fiber reliability for laser lithotripsy

机译:脉冲拉伸亚历山大石激光器,提高了激光碎石术的光纤可靠性

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Abstract: Clinical data shows that short pulse duration lasers used in laser induced shock wave lithotripsy severely damage optical fibers on both the proximal and distal ends which is unsuitable for clinical use. An Alexandrite laser system has been developed that uses dynamic pulse stretching of the Q-switched laser pulse and improved optical fiber coupling to eliminate the fiber damage. The method of pulse stretching presented controls the laser output pulse energy from 50 to 150 millijoules and temporal shape from 0.5 to 1.5 microseconds. This yields effective fragmentation of calculi without damage to the optical fiber.!10
机译:摘要:临床资料表明,激光诱导的冲击波碎石术中使用的短脉冲持续时间激光严重破坏了近端和远端的光纤,不适合临床使用。已开发出利用Q开关激光脉冲的动态脉冲展宽和改进的光纤耦合来消除光纤损坏的Alexandrite激光系统。提出的脉冲拉伸方法将激光输出脉冲能量控制在50至150毫焦耳,时间形状控制在0.5至1.5微秒。这样就可以有效地分解结石,而不会损坏光纤。!10

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