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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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This is not hard to perform: just locate the lock icon before the URL while in the address bar and drag that to the bookmark toolbar Using the mouse. In the event you find the bookmark entry also long, you'll be able to ideal-simply click it to edit the textual content, e.g. using "RP Enc" as an alternative to "RP Photonics Encyclopedia".

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 another case in point, Q-switched lasers get to a greater inhabitants density inside the upper laser stage and therefore are consequently extra sensitive to quenching consequences and Strength transfer processes; thus, a reduced doping density is commonly appropriate for these devices. For prime-power lasers, reduced doping densities will often be used to Restrict the density of heat generation, Despite the fact that slim-disk lasers do the job best with very doped crystals. Several laser products don't get to the complete overall performance potential for the reason that this sort of particulars haven't been appropriately labored out.

The host crystal is a lot more than simply a means to repair the laser-active ions at specified positions in space. Many Homes in the host substance are crucial:

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 that happen to be passed from the laser beam are Typically both oriented 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 made the globe’s largest 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 exceptionally vast emission spectra drives the event of laser diode pumped ultrafast good-state lasers. With the increase in pulse Vitality, peak ability, and repetition rate of sound-condition lasers, laser crystals will develop in direction of much larger dimensions, bigger crystal top quality, more info and controllable essential general performance.

It may be oriented for close to perpendicular incidence on the laser beam, or at Brewster's angle. It could be fastened in a few reliable mount which also acts like a heat sink. Bigger crystals are generally employed for aspect pumping e.g. with substantial-electrical power diode bars.

人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。