5 Simple Techniques For Laser Crystal
5 Simple Techniques For Laser Crystal
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These tables have only the most typical host crystals; a lot of Some others exist, which might be considerably less usually applied.
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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激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
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 number of laser crystal materials have already been demonstrated wherever some saturable absorber materials is incorporated for passive Q switching of the laser.
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。
Those surfaces that happen to be handed because of the laser beam are Typically possibly oriented at Brewster's angle or have an anti-reflection coating.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
In 2017, we developed the globe’s major Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser check here Facility. The event of Yb and Tm doped GdScO3 laser crystals with incredibly broad emission spectra drives the development of laser diode pumped ultrafast sound-state lasers. With the rise in pulse Electricity, peak electric power, and repetition amount of reliable-state lasers, laser crystals will build towards larger sized measurements, larger crystal high-quality, and controllable key overall performance.
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