About Laser Crystal
About Laser Crystal
Blog Article
These tables contain only the most typical host crystals; numerous Some others exist, which can be a lot less frequently used.
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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Which geometry, dopant and doping concentration on the acquire medium are most useful count on many variables. The readily available pump supply (sort of laser diode or lamp) as well as envisaged pumping arrangement are crucial components, but the fabric by itself also has some affect. For instance, titanium–sapphire lasers need to be pumped with high intensities, for which the form of the transversely cooled rod, operated with reasonably little pump and laser beam diameter, is a lot more suitable 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。
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。
Some laser crystal supplies are demonstrated in which some saturable absorber content is included for passive Q switching of the laser.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
It is clear that different programs cause incredibly distinctive prerequisites on laser acquire media. For that reason, a broad vary of various crystals are applied, and building the appropriate alternative is essential for constructing lasers with the click here best possible effectiveness.
Different crystalline elements are incredibly different relating to their hardness and various Homes, which establish with which techniques And just how simply they can be Lower and polished with top quality.
For numerous causes, composite crystals have become well known. These Use a spatially various chemical composition and might be manufactured with Particular shapes.
There exists a variety of crystalline media, that may be grouped in accordance to big atomic constituents and crystalline structures. Some essential groups 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。