About Laser Crystal
About Laser Crystal
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The most typical laser-Lively rare earth ions and host media together with some normal emission wavelengths are demonstrated in the subsequent desk:
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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。
Moreover, some flexibility is dropped in experiments if one particular are unable to Check out absorbers with various thickness or doping concentration, for example, with out exchanging the laser crystal alone.
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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。
A large surface area top quality is needless to say crucial. Technical specs of area flatness are frequently much better than . This aids to stop the two scattering losses and wavefront distortions that may degrade the laser's beam high quality. Also, scratch and dig specifications
The utmost probable doping concentration can rely strongly on the host substance and its fabrication method.
Laser modeling and simulation can be utilized to reliably determine the the best possible crystal dimensions, doping density and possibly values of additional parameters.
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 apparent that different applications bring on extremely different necessities on laser get media. Due to this, a broad range of different crystals are applied, and earning the correct decision more info is important for setting up lasers with the best possible performance.
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For different explanations, composite crystals have gotten preferred. These have a spatially different chemical composition and will be built with Particular shapes.
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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。