Little Known Facts About Laser Crystal.
Little Known Facts About Laser Crystal.
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These tables include only the most typical host crystals; many Other folks exist, which can be less regularly utilised.
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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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。
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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 few laser crystal components have been demonstrated the place some saturable absorber substance is incorporated for passive Q switching of a 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。
It is apparent that various applications bring about really diverse demands on laser achieve media. This is why, a broad assortment of different crystals are used, and earning the ideal preference is important for constructing lasers with the best possible functionality.
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For different motives, composite crystals have become well known. These Use a spatially various chemical composition and will be manufactured with Unique shapes.
It could be oriented for get more info near perpendicular incidence from the laser beam, or at Brewster's angle. It can be set in some strong mount which also acts as a warmth sink. Larger sized crystals tend to be useful for aspect pumping e.g. with substantial-electricity 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。