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激光:定义和技术

Frederic Panthier1, Laurent Berthe2, Olivier Traxer1

  • 1Endolase Lab, GRC n(o) 20-Sorbonne Université, PIMM Lab Arts et Métiers ParisTech, 75020 Paris, France; Service d'Urologie, Assistance-Publique Hôpitaux de Paris, Hôpital Tenon, Sorbonne Université, 75020 Paris, France; PIMM, UMR 8006 CNRS-Arts et Métiers ParisTech, 151, boulevard de l'Hôpital, 75013 Paris, France; Endourology Technology Section of European Association of Urology (EAU), Arnhem, The Netherlands; Progressive Endourological Association for Research and Leading Solutions (PEARLS), Paris, France.

The French journal of urology
|November 23, 2025
PubMed
概括

激光,或激发辐射发射的光放大,产生单色和单向的光. 它们的特性,如峰值功率和脉冲持续时间,对于各种应用中的激光物质相互作用至关重要.

关键词:
内分泌学是一种内分泌学.内分泌病学 在内分泌病学.激光 激光器 激光器 激光器技术 技术 技术 技术技术 技术 技术 技术 技术

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科学领域:

  • 物理 物理学 物理
  • 光学是什么?光学是什么?光学是什么?
  • 光子学是指光子学的使用方法.

背景情况:

  • 激光 (LASER) 是激发辐射发射的光放大.
  • 了解激光技术的基本原理对于其各种应用至关重要.

研究的目的:

  • 澄清激光技术的核心原则和基本组成部分.
  • 提供激光器如何工作的基本理解.

主要方法:

  • 进行了非系统的文献综述.
  • 在PubMed/Medline,Scopus和Cochrane数据库中进行了搜索.
  • 介绍了相关出版物的叙事综合.

主要成果:

  • 激光器发射的光是由波长 (单色) 和方向相同的光子组成的修饰光.
  • 激光辐射通过光学腔内的刺激发射产生,利用放大介质和源.
  • 激光发射可以是连续的或脉冲的,脉冲模式以能量,持续时间和频率为特征,影响瞬间和平均功率.

结论:

  • 激光器产生单色和单向光,可连续发射或脉冲发射.
  • 关键的光束特性,如峰值功率,脉冲持续时间,能量和频率显著影响激光物质相互作用.
  • 激光辐射的特性对于其在医疗和非医疗领域的有效使用至关重要.