Laser Crystal - An Overview
Laser Crystal - An Overview
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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。
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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。
Which geometry, dopant and doping focus of your get medium are most beneficial rely on several factors. The readily available pump supply (kind of laser diode or lamp) and also the envisaged pumping arrangement are crucial components, but the material alone also has some influence. For example, titanium–sapphire lasers should be pumped with large intensities, for which the form of a transversely cooled rod, operated with relatively tiny pump and laser beam diameter, is a lot more acceptable than e.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
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 determine the ideal crystal Proportions, doping density and possibly values of additional 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-degree laser gain media or simply 3-amount achieve media, a single often ought to limit the size to a worth that is much too small for productive pump absorption, as reabsorption effects would normally spoil the efficiency. For facet pumping, added concerns appear into Participate in; Apart from economical pump absorption, it is vital to get an acceptable spatial condition from the obtain profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser more info crystal crystal development optical effectiveness rare earth ions transition group ions
In 2017, we produced the world’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 particularly huge emission spectra drives the event of laser diode pumped ultrafast stable-point out lasers. With the rise in pulse Electrical power, peak ability, and repetition level of reliable-state lasers, laser crystals will produce towards much larger measurements, increased crystal high quality, and controllable essential overall performance.
There exists a wide array of crystalline media, that may be grouped in accordance to big atomic constituents and crystalline buildings. Some vital 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。