Laser Crystal Options
Laser Crystal Options
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The most typical laser-Energetic exceptional earth ions and host media along with some regular emission wavelengths are demonstrated in the following desk:
These ions enable the crystal to amplify mild within the laser wavelength by using stimulated emission, when Power is equipped into the crystal through absorption of pump gentle (�?optical pumping
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。
In addition, some overall flexibility is shed in experiments if a single are unable to Check out absorbers with various thickness or doping concentration, one example is, without exchanging the laser crystal itself.
Which geometry, dopant and doping concentration on the get medium are most useful rely upon quite a few factors. The accessible pump source (kind of laser diode or lamp) as well as the envisaged pumping arrangement are essential elements, but the fabric alone also has some affect. As an example, titanium–sapphire lasers need to be pumped with high intensities, for which the shape of a transversely cooled rod, operated with rather little pump and laser beam diameter, is a lot 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 arrive at a better inhabitants density inside the higher laser amount and therefore are thus far more delicate to quenching consequences and Vitality transfer procedures; therefore, a reduced doping density is frequently suitable for these equipment. For high-electrical power lasers, decrease doping densities are often used to Restrict the density of warmth technology, Whilst slender-disk lasers operate most effective with remarkably doped crystals. A lot of laser merchandise usually do not get to the entire effectiveness likely since this kind of aspects 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。
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
It is obvious that unique purposes produce very various needs on laser obtain media. Because of this, a broad assortment of different crystals are employed, and making the right choice is here important for constructing lasers with the best possible performance.
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。
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It might be oriented for around perpendicular incidence on the laser beam, or at Brewster's angle. It may be set in some solid mount which also functions for a heat sink. More substantial crystals usually are utilized for side pumping e.g. with superior-electric power diode bars.
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