Top Laser Crystal Secrets
Top Laser Crystal Secrets
Blog Article
These tables contain only the most common host crystals; several Some others exist, which can be significantly less frequently utilised.
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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。
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作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：
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。
激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
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。
Laser modeling and simulation can be utilized to reliably establish the ideal crystal Proportions, doping density And perhaps values of more parameters.
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-level laser get media and even a few-degree obtain media, one usually really should limit the length to a price which is also quick for efficient pump absorption, as reabsorption results would usually spoil the performance. For facet pumping, supplemental considerations arrive into Enjoy; Aside from productive pump absorption, it is important to obtain an appropriate spatial form with the gain 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。
In 2017, we developed the planet’s major Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense website Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with really large emission spectra drives the development of laser diode pumped ultrafast strong-condition lasers. With the rise in pulse Strength, peak electricity, and repetition rate of stable-condition lasers, laser crystals will acquire in direction of bigger dimensions, larger crystal quality, and controllable essential overall performance.
It could be oriented for in close proximity to perpendicular incidence from the laser beam, or at Brewster's angle. It might be fastened in a few sound mount which also acts being a warmth sink. Larger sized crystals usually are useful for facet pumping e.g. with significant-power diode bars.
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。