Laser Crystal - An Overview
Laser Crystal - An Overview
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These tables have only the most typical host crystals; numerous Many others exist, which might be less frequently utilized.
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。
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。
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 on the attain medium are most beneficial depend upon a number of things. The readily available pump supply (kind of laser diode or lamp) and the envisaged pumping arrangement are important components, but the fabric alone also has some influence. For example, titanium–sapphire lasers have to be pumped with higher intensities, for which the form of a transversely cooled rod, operated with relatively tiny pump and laser beam diameter, is a lot more acceptable 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。
Of course, it's very desirable that a presented crystal excellent is generated regularly, although distinctive laser patterns might have a different sensitivity to materials 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。
The host crystal is far more than just a method to repair the laser-active ions at certain positions in Area. Quite a few Attributes of the host material 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 obvious that various applications bring on quite different necessities on laser gain media. Due to this, a wide range of different crystals are made use of, and earning the right option is important for setting up lasers with the best possible effectiveness.
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For several factors, more info composite crystals are becoming well-known. These Use a spatially different chemical composition and can be manufactured with Unique designs.
It might be oriented for in the vicinity of perpendicular incidence of the laser beam, or at Brewster's angle. It might be preset in certain stable mount which also functions to be a heat sink. Greater crystals usually are useful for side pumping e.g. with substantial-electricity diode bars.
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。