Laser Crystal - An Overview
Laser Crystal - An Overview
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These tables consist of only the most common host crystals; quite a few Other individuals exist, that are fewer often utilised.
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。
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激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping focus on the get medium are most advantageous rely on a number of elements. The accessible pump supply (form of laser diode or lamp) and also the envisaged pumping arrangement are important things, but the fabric itself also has some impact. By way of example, titanium–sapphire lasers need to be pumped with high intensities, for which the shape of the transversely cooled rod, operated with comparatively small pump and laser beam diameter, is much more suitable 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。
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
Laser modeling and simulation can be used to reliably identify the ideal crystal Proportions, doping density and possibly values of added parameters.
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
For quasi-a few-stage laser obtain media and even three-stage gain media, a person generally has to Restrict the length to a worth which can be too limited for efficient pump absorption, as reabsorption outcomes would otherwise spoil the effectiveness. For aspect pumping, additional factors occur into play; Aside from economical pump absorption, it is vital to get an appropriate spatial form of your gain profile.
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。
In 2017, we created the earth’s biggest Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with incredibly large emission spectra drives the development of laser diode pumped ultrafast reliable-point out lasers. With the rise in pulse Vitality, peak ability, and repetition price of reliable-condition lasers, laser crystals will establish towards greater measurements, better crystal quality, and controllable important efficiency.
It may be oriented for close to perpendicular incidence on the laser beam, or at Brewster's angle. It could be fastened in certain strong mount which also acts as being a heat sink. Larger crystals are often used for facet pumping e.g. with significant-electric power diode bars.
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