Getting My Laser Crystal To Work
Getting My Laser Crystal To Work
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These tables comprise only the most common host crystals; quite a few Other people exist, which happen to be significantly less commonly made use of.
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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。
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。
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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。
A superior surface top quality is certainly essential. Specs of floor flatness in many cases are better than . This assists in order to avoid equally scattering losses and wavefront distortions which often can degrade the laser's beam high-quality. In addition, scratch and dig specifications
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。
The host crystal is considerably more than simply a means to fix the laser-Energetic ions at selected positions in space. Several Houses of your host materials are essential:
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。
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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。
In 2017, we designed the world’s premier Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with particularly wide emission spectra drives the development of laser diode pumped ultrafast reliable-condition lasers. With the rise in pulse Electrical power, peak energy, and repetition charge of reliable-condition lasers, laser crystals will acquire to bigger sizes, higher crystal high quality, and controllable important efficiency.
It could be oriented for click here around perpendicular incidence with the laser beam, or at Brewster's angle. It could be preset in certain stable mount which also functions for a warmth sink. More substantial crystals usually are employed for aspect pumping e.g. with significant-electric power diode bars.
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