Laser Crystal - An Overview
Laser Crystal - An Overview
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激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
Laser crystals are optical crystals �?ordinarily solitary crystals (monocrystalline optical products) �?which might be used as achieve media for solid-condition lasers. Most often, They may be doped with either trivalent exceptional earth ions or transition steel ions.
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the higher-state life time.
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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
The most possible doping concentration can count strongly about the host material and its fabrication strategy.
Several laser crystal products are actually demonstrated wherever some saturable absorber material is integrated for passive Q switching of the laser.
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
For quasi-3-degree laser gain media or simply 3-level get media, a single often ought to limit the size to a worth that's too small for effective pump absorption, as reabsorption outcomes would otherwise spoil the effectiveness. For aspect pumping, extra issues occur into play; Aside from effective pump absorption, it is crucial to acquire a suitable spatial shape from the obtain profile.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
The medium should have a superior transparency (very low absorption and scattering) while in the wavelength regions of pump and laser radiation, and fantastic optical homogeneity. To some extent, this is determined by the standard of the material, based on particulars with the fabrication method.
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