Laser Crystal No Further a Mystery
Laser Crystal No Further a Mystery
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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。
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping concentration of the gain medium are most useful rely upon many aspects. The obtainable pump source (variety of laser diode or lamp) and also the envisaged pumping arrangement are crucial aspects, but the fabric itself also has some impact. As an example, titanium–sapphire lasers have to be pumped with substantial intensities, for which the shape of a transversely cooled rod, operated with reasonably small pump and laser beam diameter, is much more ideal than e.
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。
The utmost possible doping concentration can count strongly within the host substance and its fabrication technique.
Laser modeling and simulation can be utilized to reliably determine the ideal crystal Proportions, doping density and possibly values of added parameters.
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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 rare earth ions transition group ions
In 2017, we produced the planet’s most significant Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with really vast emission Laser Crystal spectra drives the development of laser diode pumped ultrafast strong-state lasers. With the rise in pulse energy, peak electrical power, and repetition fee of sound-state lasers, laser crystals will acquire in direction of greater dimensions, increased crystal high-quality, and controllable essential effectiveness.
There is a wide range of crystalline media, which may be grouped according to special atomic constituents and crystalline constructions. Some crucial groups 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。