Considerations To Know About Laser Crystal
Considerations To Know About Laser Crystal
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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 分光镜
These ions empower the crystal to amplify mild at the laser wavelength by using stimulated emission, when Strength is supplied for the crystal by means of absorption of pump gentle (�?optical pumping
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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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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。
Of course, it is very desirable that a specified crystal high-quality is produced persistently, Though various laser layouts might have a distinct sensitivity to material parameters.
The utmost possible doping concentration can count strongly within the host product and its fabrication method.
The host crystal is a lot more than simply a method to fix the laser-Energetic ions at sure positions in Area. Quite a few Attributes from the host content are essential:
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。
It is apparent that various apps lead to pretty various necessities on laser get media. This is why, a wide selection of various crystals are employed, and generating the ideal option is essential for constructing lasers with optimum effectiveness.
Different crystalline materials are incredibly different concerning their hardness together with other properties, which decide with which procedures and how effortlessly they are often Minimize and polished with top quality.
The medium must have a superior transparency (minimal absorption and scattering) in the wavelength areas of pump and laser radiation, and good optical homogeneity. To some click here extent, this will depend on the quality of the material, determined by facts in the fabrication system.
With that concept, a single isn't going to want an extra saturable absorber crystal, making sure that one particular may possibly make a lot more compact Q-switched laser setups with reduce interior parasitic losses. On the other hand, undesirable Unwanted effects can also happen, including getting undesirable valence states with the involved ions or Electricity transfers.
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。