The Single Best Strategy To Use For Laser Crystal
The Single Best Strategy To Use For Laser Crystal
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These tables include only the commonest host crystals; several others exist, which happen to be a lot less frequently utilised.
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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Additionally, some adaptability is dropped in experiments if one are not able to try out absorbers with distinct thickness or doping concentration, such as, without exchanging the laser crystal itself.
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and in addition the higher-point out life time.
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。
The host crystal is a lot more than just a way to fix the laser-Lively ions at certain positions in Area. Several Attributes from the host content are crucial:
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。
It is clear that distinct programs result in very distinctive prerequisites on laser get media. For that reason, a broad range of various crystals are utilised, and producing here the right preference is important for constructing lasers with the best possible functionality.
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。
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You can find a wide range of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline buildings. Some important groups of crystals are:
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