Laser Crystal Can Be Fun For Anyone
Laser Crystal Can Be Fun For Anyone
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These tables incorporate only the most typical host crystals; many Other people exist, which can be fewer usually employed.
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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 from the gain medium are most advantageous depend upon many aspects. The accessible pump resource (variety of laser diode or lamp) plus the envisaged pumping arrangement are important variables, but the fabric itself also has some influence. Such as, titanium–sapphire lasers must be pumped with higher intensities, for which the form of a transversely cooled rod, operated with comparatively compact pump and laser beam diameter, is much more acceptable than e.
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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。
The utmost achievable doping focus can rely strongly about the host materials and its fabrication technique.
Laser modeling and simulation can be utilized to reliably determine the the best possible crystal Proportions, doping density And perhaps values of extra parameters.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
Those surfaces which happen to be handed from the laser beam are Commonly possibly 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。
In 2017, we created the planet’s greatest Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with very broad emission spectra drives the development of laser diode pumped ultrafast solid-point out lasers. With the rise in pulse Electricity, peak electricity, and repetition rate of solid-point out lasers, laser crystals will acquire toward greater dimensions, bigger crystal good quality, and controllable vital effectiveness.
It could be oriented for around perpendicular incidence in the laser beam, or at Brewster's angle. It can be preset in some good mount which also acts for a heat sink. Bigger crystals are often used for facet pumping e.g. with high-ability diode Laser Crystal bars.
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