Facts About Laser Crystal Revealed
Facts About Laser Crystal Revealed
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Laser crystals are optical crystals �?usually single crystals (monocrystalline optical components) �?that are utilized as get media for reliable-state lasers. Generally, They may be doped with both trivalent uncommon earth ions or transition steel ions.
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 concentration with the acquire medium are most advantageous depend on many things. The accessible pump supply (type of laser diode or lamp) and the envisaged pumping arrangement are important variables, but the material itself also has some affect. As an example, titanium–sapphire lasers have to be pumped with significant intensities, for which the shape of the transversely cooled rod, operated with rather small pump and laser beam diameter, is a lot more appropriate 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。
The most probable doping focus can count strongly on the host content and its fabrication approach.
The host crystal is considerably more than just a means to repair the laser-Energetic ions at sure positions in space. Many Attributes in the host product are very 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。
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal expansion optical functionality rare earth ions changeover team ions
In 2017, we produced the planet’s largest 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 particularly huge emission spectra drives the event of laser diode pumped ultrafast solid-state lasers. With the rise in pulse Power, peak ability, and repetition level of reliable-condition lasers, laser crystals will create to larger sizes, greater crystal good quality, and controllable vital efficiency.
It might be oriented for in close proximity to perpendicular incidence from the laser beam, or at Brewster's angle. It may be fixed in a few stable mount which also acts as being a heat sink. Larger crystals tend to be used for aspect pumping e.g. with superior-ability diode bars.
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