Top Laser Crystal Secrets
Top Laser Crystal Secrets
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蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光镜
These ions allow the crystal to amplify light-weight for the laser wavelength through stimulated emission, when Power is equipped to the crystal through absorption of pump light (�?optical pumping
激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
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激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
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。
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
A number of laser crystal materials are demonstrated where by some saturable absorber content is included for passive Q switching of the laser.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
It is clear that various programs bring about quite unique needs on laser achieve media. This is why, a broad assortment of different crystals are made use of, and earning the ideal preference is important for constructing lasers with the best possible general performance.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal advancement optical overall performance unusual earth ions changeover team ions
The medium must have a high transparency (very low absorption and scattering) while in the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this depends upon the standard of the material, based on particulars with the fabrication method.
It could be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It may be fixed in certain solid mount which also website functions to be a warmth sink. Much larger crystals tend to be employed for aspect pumping e.g. with large-electrical power diode bars.
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