5 Essential Elements For Laser Crystal
5 Essential Elements For Laser Crystal
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The most typical laser-active exceptional earth ions and host media along with some regular emission wavelengths are demonstrated in the following desk:
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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。
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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。
The utmost feasible doping focus can count strongly about the host product and its fabrication strategy.
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
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。
For quasi-a few-degree laser achieve media and even a few-level gain media, one particular typically should limit the duration to a value which happens to be way too check here short for productive pump absorption, as reabsorption consequences would normally spoil the performance. For aspect pumping, more concerns arrive into Enjoy; besides effective pump absorption, it is crucial to acquire a suitable spatial shape from the obtain profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal progress optical general performance uncommon earth ions transition group ions
In 2017, we produced the world’s major Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with particularly wide emission spectra drives the development of laser diode pumped ultrafast stable-point out lasers. With the rise in pulse Power, peak electricity, and repetition amount of solid-state lasers, laser crystals will create in direction of greater measurements, increased crystal high-quality, and controllable important functionality.
It might be oriented for in close proximity to perpendicular incidence of your laser beam, or at Brewster's angle. It can be fixed in certain solid mount which also functions to be a warmth sink. Much larger crystals tend to be employed for aspect pumping e.g. with large-electrical power diode bars.
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。