The smart Trick of Laser Crystal That No One is Discussing
The smart Trick of Laser Crystal That No One is Discussing
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These tables contain only the most common host crystals; a lot of Many others exist, that are considerably less commonly utilized.
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Laser crystals are optical crystals �?usually solitary crystals (monocrystalline optical supplies) �?that are made use of as gain media for sound-state lasers. Most often, They are really doped with both trivalent unusual earth ions or transition metallic ions.
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。
Which geometry, dopant and doping concentration of the achieve medium are most advantageous count on numerous variables. The accessible pump resource (sort of laser diode or lamp) and the envisaged pumping arrangement are very important elements, but the fabric itself also has some affect. Such as, titanium–sapphire lasers must be pumped with here superior intensities, for which the form of the transversely cooled rod, operated with relatively tiny pump and laser beam diameter, is a lot more proper 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。
激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
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 far more than simply a method to fix the laser-Energetic ions at certain positions in House. A number of Qualities of your host materials are important:
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。
Those surfaces which are passed through the laser beam are Typically both oriented at Brewster's angle or have an anti-reflection coating.
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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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。