Details, Fiction and Laser Crystal

Details, Fiction and Laser Crystal

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These tables include only the most common host crystals; quite a few Other individuals exist, which are a lot less often employed.

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The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and also the upper-state life span.

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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。

Laser modeling and simulation can be utilized to reliably establish the ideal crystal dimensions, doping density And maybe values of more parameters.

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。

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The medium ought to have a large transparency (low absorption and scattering) during the wavelength locations of pump and laser radiation, get more info and superior optical homogeneity. To some extent, this will depend on the quality of the fabric, determined by specifics with the fabrication process.

It might be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It can be fastened in a few strong mount which also acts for a warmth sink. Larger sized crystals are generally utilized for aspect pumping e.g. with high-power diode bars.

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。