5 Essential Elements For Laser Crystal
5 Essential Elements For Laser Crystal
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The most common laser-Energetic rare earth ions and host media together with some common emission wavelengths are proven in the following desk:
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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 good quality is of course crucial. Requirements of floor flatness will often be better than . This will help to stop both equally scattering losses and wavefront distortions which might degrade the laser's beam good quality. Also, scratch and dig technical specs
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 materials is included for passive Q switching of a laser.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
For quasi-three-level laser get media as well as three-stage acquire media, a person normally should Restrict the size to a worth which can be much too quick for economical pump absorption, as reabsorption results would usually spoil the overall performance. For aspect pumping, added concerns come into Participate in; Aside from efficient pump absorption, it is vital to obtain a suitable spatial form from the get profile.
Different crystalline resources are extremely unique relating to their hardness and also other Attributes, which determine with which procedures and how conveniently they are often Reduce and polished with good quality.
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There's a wide array of crystalline media, that may be grouped in click here accordance to important atomic constituents and crystalline structures. Some critical teams of crystals are:
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。