Laser Crystal Secrets
Laser Crystal Secrets
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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。
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：
GWU presents all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etc.) having a wide number of requirements. In addition to the very well-proven elements, revolutionary crystals with superb Homes like Yb:CALGO can open new horizons for demanding laser programs. Despite no matter if specific parts for R & D uses are required or Price-efficient figures in smaller, medium or substantial batches with in-time shipping for that generation line are desired: GWU’s committed service helps you to discover the most effective Main parts to your software.
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。
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
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。
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。
These surfaces which can be handed by the laser beam are Typically possibly oriented at Brewster's angle or have an anti-reflection coating.
Distinctive crystalline elements are very different about their hardness and other Houses, which determine with which solutions And just how quickly they may be Slice and polished with good quality.
In 2017, we produced the world’s greatest Ti∶sapphire crystal (Φ235 mm), get more info which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with exceptionally extensive emission spectra drives the development of laser diode pumped ultrafast solid-condition lasers. With the increase in pulse Electricity, peak electrical power, and repetition price of good-point out lasers, laser crystals will build in the direction of much larger dimensions, increased crystal high-quality, and controllable critical effectiveness.
It could be oriented for around perpendicular incidence of the laser beam, or at Brewster's angle. It could be fastened in certain good mount which also acts like a warmth sink. Larger sized crystals are often utilized for aspect pumping e.g. with substantial-energy diode bars.
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。