Laser Crystal for Dummies
Laser Crystal for Dummies
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激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
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。
Needless to say, it is rather appealing that a offered crystal high quality is produced continuously, Whilst unique laser types can have a unique sensitivity to content parameters.
The most possible doping concentration can rely strongly around the host product and its fabrication approach.
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。
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For quasi-a few-degree laser acquire media or simply 3-amount get media, just one frequently really should limit the duration to a worth which can be too limited for efficient pump absorption, as reabsorption results would if not spoil the efficiency. For facet pumping, additional factors appear into Participate in; Aside from economical pump absorption, it's important to get an appropriate spatial form with the attain profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical overall performance unusual earth ions changeover group ions
In 2017, we produced the earth’s major Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. more info The event of Yb and Tm doped GdScO3 laser crystals with very extensive emission spectra drives the development of laser diode pumped ultrafast reliable-point out lasers. With the rise in pulse Power, peak ability, and repetition level of solid-condition lasers, laser crystals will establish towards greater dimensions, increased crystal quality, and controllable vital effectiveness.
It may be oriented for in the vicinity of perpendicular incidence of the laser beam, or at Brewster's angle. It might be fastened in certain strong mount which also acts like a warmth sink. Bigger crystals are generally used for side pumping e.g. with significant-electrical power diode bars.
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