The Laser Crystal Diaries
The Laser Crystal Diaries
Blog Article
These tables include only the most common host crystals; a lot of Other individuals exist, which might be fewer often used.
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。
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Which geometry, dopant and doping concentration with the achieve medium are most advantageous depend on quite a few variables. The obtainable pump resource (form of laser diode or lamp) as well as the envisaged pumping arrangement are important components, but the material by itself also has some impact. As an example, titanium–sapphire lasers ought to be pumped with substantial intensities, for which the form of a transversely cooled rod, operated with rather tiny pump and laser beam diameter, is a lot more suitable than e.
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成，激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时，则构成自激活激光晶体。
Naturally, it is vitally fascinating that a presented crystal good quality is made regularly, although distinctive laser types can have another sensitivity to content parameters.
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
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-three-stage laser obtain media or even 3-level get media, a single often should limit the duration to a value which happens to be much too limited for efficient pump absorption, as reabsorption outcomes would otherwise spoil the functionality. For facet pumping, extra things to consider occur into Perform; Moreover economical pump absorption, it's important to get an appropriate spatial form with the get profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical general performance uncommon earth ions changeover team ions
In 2017, we formulated the planet’s most significant Ti∶sapphire crystal more info (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 really large emission spectra drives the event of laser diode pumped ultrafast sound-condition lasers. With the rise in pulse energy, peak electrical power, and repetition amount of solid-state lasers, laser crystals will create in direction of much larger dimensions, better crystal high-quality, and controllable key overall performance.
There may be a variety of crystalline media, that may be grouped in accordance to big atomic constituents and crystalline structures. Some essential groups of crystals are:
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。