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首页> 外文会议>Conference on Laser Florence 2001: A Window on the Laser Medicine World, Nov 7-11, 2001, Florence, Italy >YAG Laser in ophthalmology
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YAG Laser in ophthalmology

机译：YAG眼科激光

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摘要

A summary of using near (Nd) and middle (Er) infrared YAG laser systems in ophthalmology surgery is given in the paper. The report on twelve years of clinical experience with the ophthalmic Nd:YAG laser system (λ=1.06 μm) operating alternatively in Q-switched or mode-locked regimes is accomplished. From statistical data processing of more than 1000 interventions it follows that better results in a posterior capsule opacification cure are achieved with the use of short, near-infrared mode-locked 25 ps long pulses, while 4 ns long giant pulses of the same wavelength are useful for iridectomy creations. Middle infrared radiation generated by the Er:YAG laser system (λ=2.94 μm) was used for pre-clinical interaction experiments (in vitro). Differences in results of cornea, lens, and sclera ablation by a free running (110 u s long) and Q-switched (250 ns long) mid-infrared pulses are presented. The radiation was delivered to the interaction place either by a system of reflected mirrors (used for Nd:YAG laser), or by a special sealed waveguide (in the case of Er: YAG system).
机译：本文总结了在眼科手术中使用近（Nd）和中（Er）红外YAG激光系统的摘要。完成了关于在Q切换或锁模模式下交替工作的眼科Nd：YAG激光系统（λ= 1.06μm）十二年临床经验的报告。通过对1000多种干预措施的统计数据处理，可以得出结论，使用短，近红外锁模的25 ps长脉冲，在后囊混浊治疗中可获得更好的结果，而相同波长的4 ns长巨脉冲得到了对虹膜切除术有用。由Er：YAG激光系统产生的中红外辐射（λ= 2.94μm）用于临床前相互作用实验（体外）。呈现了自由运行（110微秒长）和调Q开关（250纳秒长）中红外脉冲导致角膜，晶状体和巩膜消融结果的差异。辐射通过反射镜系统（用于Nd：YAG激光）或特殊的密封波导（在Er：YAG系统的情况下）传递到相互作用的位置。

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