Laser Crystal Secrets
Laser Crystal Secrets
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The most common laser-active uncommon earth ions and host media together with some typical emission wavelengths are revealed in the subsequent table:
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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。
A substantial area high quality is naturally vital. Specifications of surface flatness will often be better than . This aids in order to avoid both equally scattering losses and wavefront distortions that may degrade the laser's beam quality. In addition, scratch and dig specifications
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。
A few laser crystal resources happen to be shown where by some saturable absorber content is included for passive Q switching of the laser.
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 maybe 3-amount achieve media, 1 normally ought to limit the size to a worth that's much too limited for efficient pump absorption, as reabsorption outcomes would otherwise spoil the functionality. For facet pumping, more considerations occur into Perform; Apart from productive pump absorption, it is vital to obtain an acceptable spatial form of the attain profile.
Different crystalline components are very diverse about their hardness along with other Houses, which determine with which strategies And just how conveniently they can be Reduce and polished with high quality.
For a variety of causes, composite crystals are becoming preferred. These Use a spatially different chemical composition and might be produced with Distinctive designs.
There is certainly a wide array of get more info crystalline media, that may be grouped in accordance to big atomic constituents and crystalline structures. Some essential groups of crystals are:
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