The Basic Principles Of Laser Crystal
The Basic Principles Of 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
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 �?generally single crystals (monocrystalline optical resources) �?that are applied as acquire media for stable-condition lasers. Typically, They're doped with both trivalent exceptional earth ions or changeover metallic ions.
Additionally, some overall flexibility is missing in experiments if one can not try out absorbers with distinct thickness or doping concentration, by way of example, without exchanging the laser crystal alone.
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions as well as the upper-state lifetime.
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。
Naturally, it is rather appealing that a presented crystal top quality is created persistently, Despite the fact that distinct laser patterns can have a unique sensitivity to material parameters.
The maximum possible doping concentration can depend strongly around the host substance and its fabrication process.
The host crystal is much more than just a way to repair the laser-Lively ions at certain positions in Place. A number of Qualities on the host product are essential:
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 apparent that distinct programs cause quite unique prerequisites on laser attain media. Due to this, a wide range of different crystals are used, and making the right choice is important for setting up lasers with optimum performance.
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With That idea, just one would not have to have a further saturable absorber crystal, making sure that 1 may make more compact Q-switched laser setups with lower interior parasitic losses. On the other hand, undesirable Unwanted effects might also manifest, for instance obtaining unwelcome valence states in the associated ions or Strength transfers.
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