Not known Facts About Laser Crystal

Not known Facts About Laser Crystal

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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。

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Which geometry, dopant and doping concentration of the get medium are most useful depend upon a number of things. The readily available pump source (variety of laser diode or lamp) as well as the envisaged pumping arrangement are important variables, but the material by itself also has some affect. For instance, titanium–sapphire lasers ought to be pumped with substantial intensities, for which the shape of a transversely cooled rod, operated with relatively smaller pump and laser beam diameter, is more ideal 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。

活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。

g. a thin disk. As A further instance, Q-switched lasers access a higher population density while in the higher laser level and so are therefore a lot more sensitive to quenching outcomes and Electricity transfer procedures; therefore, a reduced doping density is frequently appropriate for these gadgets. For prime-electricity lasers, decreased doping densities will often be utilized to Restrict the density of heat generation, Even though slim-disk lasers get the job done finest with really doped crystals. Lots of laser products will not get to the entire effectiveness probable mainly because these information have not been properly labored out.

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。

热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。

These surfaces which can be passed via the laser beam are normally possibly oriented click here at Brewster's angle or have an anti-reflection coating.

主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。

In 2017, we developed the whole world’s premier Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with extremely wide emission spectra drives the development of laser diode pumped ultrafast strong-point out lasers. With the rise in pulse energy, peak electricity, and repetition charge of sound-state lasers, laser crystals will create in direction of greater sizes, increased crystal good quality, and controllable critical efficiency.

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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。