Laser Crystal Options
Laser Crystal Options
Blog Article
The commonest laser-Lively rare earth ions and host media along with some standard emission wavelengths are demonstrated in the subsequent table:
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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激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise the higher-point out life span.
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。
A significant surface top quality is of course critical. Specifications of floor flatness in many cases are better than . This can help to prevent each scattering losses and wavefront distortions that may degrade the laser's beam excellent. In addition, scratch and dig technical specs
The most doable doping concentration can depend strongly on the host product and its fabrication process.
Laser modeling and simulation can be used to reliably determine the optimum crystal dimensions, doping density And maybe values of additional parameters.
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-stage attain media, 1 typically really should Restrict the duration to a value that's also small for productive pump absorption, as reabsorption effects would normally spoil the performance. For aspect pumping, supplemental issues arrive into play; Moreover effective pump absorption, it can be crucial to acquire a suitable spatial shape on the acquire profile.
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For different motives, composite crystals are getting to be preferred. These Have a very spatially varying chemical composition and can be made with Unique shapes.
With That idea, 1 isn't going to need to have yet another saturable absorber crystal, so that one might make far more compact Laser Crystal Q-switched laser setups with decrease interior parasitic losses. Nevertheless, undesired Negative effects might also occur, including obtaining undesired valence states on the involved ions or energy transfers.
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