Facts About Laser Crystal Revealed

Facts About Laser Crystal Revealed

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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。

激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。

Moreover, some overall flexibility is missing in experiments if a single can not Check out absorbers with diverse thickness or doping focus, by way of example, without the need of exchanging the laser crystal by itself.

作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：

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 much more than simply a way to fix the laser-active ions at certain positions in Room. Several Attributes with the host content are essential:

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。

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The medium ought to have a higher transparency (minimal absorption and scattering) while in the wavelength areas of pump and laser radiation, and very good optical homogeneity. To some extent, this relies on the standard of the material, determined by specifics on the fabrication course of action.

It could be oriented for in the vicinity of perpendicular incidence of the laser beam, or at Brewster's angle. It may be preset in a few reliable mount which also functions like a warmth sink. Larger sized crystals are generally employed for facet pumping e.g. with higher-electric power diode bars.

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