About Laser Crystal
About Laser Crystal
Blog Article
The commonest laser-Energetic exceptional earth ions and host media along with some standard emission wavelengths are proven in the following desk:
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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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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。
Naturally, it is rather appealing that a specified crystal good quality is developed constantly, Though various laser designs might have another sensitivity to substance parameters.
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。
The host crystal is a great deal more than simply a means to fix the laser-Lively ions at specific positions in House. A number of Homes of your host material are very important:
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-a few-stage laser obtain media and even three-stage obtain media, 1 normally ought to limit the size to a worth that's too limited for efficient pump absorption, as reabsorption consequences would or else spoil the general performance. For side pumping, additional concerns appear into Engage in; Moreover effective pump absorption, it is necessary to obtain a suitable spatial shape with the get profile.
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。
For several reasons, composite crystals are getting to be well known. These Have a very spatially varying chemical composition and will be designed with Specific styles.
It could be oriented for in the vicinity of perpendicular incidence of the laser beam, or at Brewster's angle. It can be fixed in some sound mount which also acts as a warmth sink. Larger crystals are usually used for facet pumping e.g. with significant-electric power more info 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。