Fascination About Laser Crystal
Fascination About Laser Crystal
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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。
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。
Moreover, some adaptability is lost in experiments if a single simply cannot Check out absorbers with different thickness or doping concentration, as an example, with no 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。
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。
g. a skinny disk. As Yet another case in point, Q-switched lasers attain an increased population density while in the higher laser amount and so are therefore a lot more delicate to quenching effects and Vitality transfer processes; thus, a lessen doping density is often appropriate for these gadgets. For high-electrical power lasers, decrease doping densities will often be utilized to Restrict the density of warmth era, Though thin-disk lasers function very best with very doped crystals. Several laser items don't get to the whole effectiveness likely due to the fact this kind of details have not been correctly labored out.
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。
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。
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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 supplies laser crystal crystal progress optical general performance rare earth ions transition group ions
In 2017, we formulated the planet’s most significant 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 reliable-point out lasers. With the rise in pulse Strength, peak ability, and repetition rate of sound-condition lasers, laser crystals will produce to larger sizes, larger crystal excellent, and controllable critical general performance.
It could be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It can be set in some solid mount which also functions to be a warmth sink. Much larger crystals tend to be useful for aspect pumping e.g. with large-electrical power diode bars.
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