The Single Best Strategy To Use For Laser Crystal
The Single Best Strategy To Use For Laser Crystal
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These tables contain only the commonest host crystals; quite a few Other folks exist, which can be a lot less frequently applied.
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。
为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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。
Which geometry, dopant and doping focus on the attain medium are most advantageous rely upon a number of elements. The offered pump resource (type of laser diode or lamp) as well as envisaged pumping arrangement are essential aspects, but the fabric by itself also has some influence. For instance, titanium–sapphire lasers need to be pumped with substantial intensities, for which the shape of a transversely cooled rod, operated with rather smaller pump and laser beam diameter, is much 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。
A superior area quality is needless to say significant. Requirements of floor flatness in many cases are a lot better than . This will help to stop equally scattering losses and wavefront distortions which often can degrade the laser's beam good quality. Additionally, scratch and dig technical specs
The maximum attainable doping focus can count strongly around the host content and its fabrication system.
A few laser crystal supplies are already shown wherever some saturable absorber substance more info is included for passive Q switching of a 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。
For quasi-3-amount laser gain media and even 3-degree achieve media, a person normally really should Restrict the size to a price which can be also short for efficient pump absorption, as reabsorption effects would otherwise spoil the performance. For facet pumping, added things to consider come into Participate in; Moreover successful pump absorption, it can be crucial to get a suitable spatial condition with the obtain profile.
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It could be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It might be mounted in some sound mount which also functions to be a warmth sink. Bigger crystals are frequently useful for aspect pumping e.g. with superior-power diode bars.
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