The commonest laser-Energetic scarce earth ions and host media along with some regular emission wavelengths are shown in the subsequent desk:
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。
Laser crystals are optical crystals �?commonly one crystals (monocrystalline optical resources) �?that are utilized as get media for solid-state lasers. Most often, they are doped with possibly trivalent rare earth ions or changeover metallic ions.
激光晶体中活性离子的作用是什么? 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping concentration in the achieve medium are most advantageous rely on various components. The out there pump source (kind of laser diode or lamp) and the envisaged pumping arrangement are very important elements, but the fabric itself also has some affect. By way of example, titanium–sapphire lasers have to be pumped with large intensities, for which the shape of the transversely cooled rod, operated with comparatively little pump and laser beam diameter, is more proper than e.
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。
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。
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。
Laser modeling and simulation may be used to reliably figure out the the best possible crystal dimensions, doping density And maybe values of further parameters.
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
For quasi-a few-degree laser attain media or simply 3-stage acquire media, one generally must Restrict the length to a worth which can be too limited for efficient pump absorption, as reabsorption outcomes click here would or else spoil the effectiveness. For side pumping, added criteria come into Engage in; besides effective pump absorption, it is important to obtain a suitable spatial shape in the achieve profile.
Unique crystalline elements are incredibly distinct relating to their hardness as well as other properties, which determine with which procedures And the way conveniently they can be Reduce and polished with good quality.
For various good reasons, composite crystals have become well known. These have a spatially various chemical composition and will be built with Particular styles.
There is certainly a wide array of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline buildings. Some important teams of crystals are:
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。
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