Laser Crystal - An Overview
Laser Crystal - An Overview
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These tables incorporate only the most typical host crystals; quite a few others exist, which can be considerably less commonly applied.
These ions permit the crystal to amplify light within the laser wavelength by means of stimulated emission, when Vitality is equipped on the crystal via absorption of pump gentle (�?optical pumping
为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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 high floor quality is needless to say significant. Technical specs of area flatness are often better than . This assists in order to avoid equally scattering losses and wavefront distortions which could degrade the laser's beam excellent. Also, scratch and dig requirements
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
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。
For quasi-a few-stage laser obtain media or even 3-level achieve media, 1 generally has to Restrict the length to a price which is also shorter for productive pump absorption, as reabsorption consequences would in any other case spoil the performance. For side pumping, more considerations arrive into Enjoy; In addition to productive pump absorption, it can be crucial to acquire a suitable spatial shape from the acquire profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 materials laser crystal crystal progress optical effectiveness scarce earth ions transition group ions
In 2017, we produced the world’s major 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 exceptionally wide emission spectra drives the development of laser diode pumped ultrafast solid-state lasers. With the increase in pulse energy, peak power, and repetition level of stable-condition lasers, laser crystals will produce in the direction of greater sizes, increased crystal good quality, and controllable vital efficiency.
It may be oriented for close to perpendicular incidence in the laser beam, or at Brewster's angle. It may be mounted in a few strong mount which also acts as a heat sink. Bigger crystals are often used for facet pumping e.g. with significant-electricity diode bars.
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