5 Essential Elements For Laser Crystal
5 Essential Elements For Laser Crystal
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These tables have only the commonest host crystals; numerous others exist, which are considerably less routinely utilized.
These ions help the crystal to amplify light-weight for the laser wavelength through stimulated emission, when Power is equipped for the crystal via 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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and in addition the upper-condition life time.
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。
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
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 handful of laser crystal supplies are already shown where some saturable absorber materials is integrated 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-a few-stage laser acquire media or even 3-stage get media, one particular often needs to limit the length to a price that is far too brief for successful pump absorption, as reabsorption effects would or else spoil the general performance. For side pumping, added criteria occur into Engage in; Other than efficient pump absorption, it is necessary to acquire an acceptable spatial shape on more info the get profile.
Distinct crystalline resources are really diverse about their hardness and other Qualities, which identify with which methods and how effortlessly they may be cut and polished with top quality.
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