Detailed Notes on Laser Crystal
Detailed Notes on Laser Crystal
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These tables comprise only the most typical host crystals; lots of Other folks exist, that are considerably less routinely employed.
These ions permit the crystal to amplify mild at the laser wavelength by using stimulated emission, when Electricity is provided to the crystal through 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。
On top of that, some flexibility is misplaced in experiments if one particular simply cannot Check out absorbers with different thickness or doping concentration, as an example, with no exchanging the laser crystal itself.
Which geometry, dopant and doping focus with the get medium are most beneficial count on quite a few things. The out there pump resource (style of laser diode or lamp) along with the envisaged pumping arrangement are essential elements, but the fabric by itself also has some influence. As an example, titanium–sapphire lasers need to be pumped with superior intensities, for which the shape of the transversely cooled rod, operated with somewhat modest pump and laser beam diameter, is more correct than e.
晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。
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。
Laser modeling and simulation can be utilized to reliably identify the ideal crystal dimensions, doping density and possibly values of more 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
All those surfaces which might be passed from the laser beam are Usually possibly oriented at Brewster's angle or have an anti-reflection coating.
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There is more info certainly a variety of crystalline media, which can be grouped according to big atomic constituents and crystalline structures. Some critical teams of crystals are:
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。