S. Mordon (Directeur de recherche)
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引用次数: 0
治疗激光:基本原理,可用的不同光源,部分光热解
皮肤示意性地由三层不同厚度(表皮、真皮、皮下组织)的重叠组成,每层都具有非常不均匀的成分。因此,对位于该器官深处的目标(头发、血管等)的选择性攻击是复杂的,取决于许多因素:组织的光学参数(反射、吸收、扩散),它决定了光穿透皮肤,目标和周围组织的物理参数(热和机械),在产生特定损伤方面起着重要作用,最后是影响相互作用机制的与激光源相关的参数(波长、发射持续时间、施加能量、光斑大小、流畅度和辐照度)。因此,可以区分四种主要作用:机电作用、光烧蚀作用、光热作用和光化学作用。大量的激光器和脉冲强光灯适用于许多临床应用。功率较小的设备、传统灯具、LED、光织物等更适合用于光动力疗法。消融性和非消融性部分光热解之间的选择取决于激光的波长。
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