About Laser Crystal
About Laser Crystal
Blog Article
These tables comprise only the most typical host crystals; lots of Other folks exist, which can be much less usually applied.
These ions permit the crystal to amplify mild in the laser wavelength through stimulated emission, when Power is equipped to your crystal through absorption of pump mild (�?optical pumping
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激光晶体（laser crystal），可将外界提供的能量通过光学谐振腔转化为在空间和时间上相干的具有高度平行性和单色性激光的晶体材料。是晶体激光器的工作物质。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions as well as the upper-condition lifetime.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
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。
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
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。
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Distinct crystalline supplies are really diverse concerning their hardness together with other Qualities, which identify with which strategies And exactly how very easily they may be Minimize and polished with top quality.
In 2017, we made the globe’s largest Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with very huge emission spectra drives the event of laser diode pumped ultrafast good-state lasers. With the increase in pulse Strength, peak electric power, and repetition charge of good-point out lasers, laser crystals will establish toward greater sizes, higher crystal quality, and controllable key performance.
You can find a wide array of crystalline media, which can be grouped according to big atomic constituents and crystalline buildings. Some important groups of crystals are:
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