Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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The commonest laser-active unusual earth ions and host media along with some typical emission wavelengths are proven in the next desk:
These ions allow the crystal to amplify light-weight at the laser wavelength by means of stimulated emission, when Electricity is equipped towards the crystal by using absorption of pump light (�?optical pumping
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。
Additionally, some flexibility is misplaced in experiments if just one are unable to try out absorbers with various thickness or doping focus, one example is, without exchanging the laser crystal by itself.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and also the higher-condition lifetime.
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。
Of course, it is rather attractive that a offered crystal excellent is produced constantly, Whilst various laser patterns can have a distinct sensitivity to product parameters.
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 figure out the the best possible crystal Proportions, doping density and possibly values of additional parameters.
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
People surfaces which can be passed because of the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
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For many factors, composite crystals have become preferred. These Possess a spatially varying chemical composition and might be created with special shapes.
There exists a wide range of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline structures. Some vital teams get more info of crystals are:
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。