laser hair removal ingrown hairs represents a topic that has garnered significant attention and interest. A laser differs from other sources of light in that it emits light that is coherent. Spatial coherence allows a laser to be focused to a tight spot, enabling uses such as optical communication, [6] laser cutting, and lithography. 激光（受激辐射光放大）_百度百科.
1957年：Townes的博士生Gordon Gould创造了“laser”这个单词，从理论上指出可以用光激发原子，产生一束相干光束，之后人们为其申请了专利，相关法律纠纷维持了近30年。 Laser | Definition, Acronym, Principle, Applications, & Types | Britannica. From another angle, laser, a device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation. From another angle, the emission generally covers an extremely limited range of visible, infrared, or ultraviolet wavelengths. 激光的原理 | 基础知识 | 刻印课堂 | 基恩士中国官方网站. LASER 是由英文“Light Amplification by Stimulated Emission of Radiation” 的各单词首字母组成的缩写词，意思是“通过受激发射光扩大”。
From another angle, 激光技术基础知识 - 知乎. This perspective suggests that, 激光 英文名 LASER，其全称是Light Amplification by Stimulated Emission of Radiation。 字面意思就是“光 受激辐射 放大”。 其为人工光源，具有与自然光不同的特性，可直线传播到很远，并且可聚集在较小范围等。 激光器的工作原理、激光技术的基本原理 - Trotec Laser. Moreover, 所有激光器都包含以下三个组件： 泵浦源 受激介质 谐振腔 泵浦源将外源能量供给激光器。 受激介质位于激光器内部，取决于不同的激光器结构设计，激光介质可能是气体混合物 (CO 2 激光)、晶体棒 (YAG 固体激光) 或 玻璃纤维 (光纤激光)。激光介质在获得外部泵浦源的能量供给时，受激产生能量 ...
| Who invented the laser? - Explain that Stuff. An easy-to-understand explanation of how lasers work, with a simple diagram showing what's inside a laser. In relation to this, 激光 - 搜狗百科.
激光（LASER）是原子受激辐射的光，于1916年由爱因斯坦首次发现。 激光是20世纪以来继核能、电脑、半导体之后，人类的又一重大发明，具有亮度高、颜色纯、能量大的特点。 This perspective suggests that, 激光 - 维基百科，自由的百科全书. 激光 （英語： laser，新加坡称 镭射，香港称 激光/雷射，台湾称 雷射）是 英文 “ 受激辐射 产生的 光放大 ”（Light Amplification by Stimulated Emission of Radiation）的 缩写，指透过刺激 原子 导致 电子 跃迁 释放 辐射 能量而产生的具有 同调性 的增强 光子 束。 Equally important, | Laser Applications | Spectral School. A laser is an intense light source that is coherent, directional, and monochromatic.
This means that the phases of the light waves are aligned, the waves travel in a single direction, and they emit a narrow range of wavelengths 1 .
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