Not known Facts About Laser Crystal

Not known Facts About Laser Crystal

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These tables include only the most common host crystals; lots of Other folks exist, which are fewer regularly 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。

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 employed to reliably decide the optimum crystal Proportions, doping density and possibly values of added parameters.

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For quasi-three-degree laser gain media or maybe a few-amount attain media, a person usually needs to limit the size to a value that's also small for get more info efficient pump absorption, as reabsorption consequences would in any other case spoil the overall performance. For side pumping, extra issues occur into Participate in; Aside from efficient pump absorption, it is necessary to obtain an appropriate spatial form from the achieve profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal progress optical functionality rare earth ions changeover group ions 

In 2017, we produced the globe’s premier Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with exceptionally large emission spectra drives the development of laser diode pumped ultrafast sound-state lasers. With the increase in pulse Electrical power, peak electrical power, and repetition amount of good-condition lasers, laser crystals will acquire towards more substantial dimensions, bigger crystal high-quality, and controllable important functionality.

There is certainly an array of crystalline media, which may be grouped according to important atomic constituents and crystalline structures. Some important teams of crystals are:

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。