What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
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Distinct crystalline materials are really unique concerning their hardness and various Homes, which identify with which techniques And just how easily they can be Slice and polished with top quality.
The medium should have a significant transparency (low absorption and scattering) inside the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this depends upon the caliber of the fabric, based on aspects from the fabrication method.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the higher-condition life span.
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。
The most achievable doping focus can depend strongly to the host material and its fabrication strategy.
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A large damage threshold regarding pulse fluence or peak intensity might be important for prime-energy amplifiers.
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：
Which geometry, dopant and doping concentration on the gain medium are most advantageous rely upon several aspects. The accessible pump source (sort of laser diode or lamp) along with the envisaged pumping arrangement are very important things, but the material itself also has some influence. Such as, titanium–sapphire lasers have to be pumped with substantial intensities, for which the shape of the transversely cooled rod, operated with fairly smaller pump and laser beam diameter, is much more suitable than e.
It could be oriented for around perpendicular incidence from the laser beam, or at Brewster's angle. It could be fastened in some strong mount which also functions being a warmth sink. Larger crystals are usually useful for aspect pumping e.g. with significant-electrical power diode bars.
The most common laser-active rare earth ions and host media together with some usual emission wavelengths are demonstrated in the next desk:
A handful of laser crystal products are actually shown wherever some saturable absorber materials is incorporated for passive Q switching of the laser.
Not surprisingly, it is extremely attractive that a provided crystal quality is made continually, Despite the fact that different laser styles may have a distinct sensitivity to substance parameters.
There may be a variety of crystalline media, which can be grouped in accordance to important atomic constituents and crystalline structures. Some essential teams of crystals are:
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
GWU provides all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) using a wide a number of specifications. Moreover the perfectly-founded materials, progressive crystals with superb Houses like Yb:CALGO can open new horizons for demanding laser applications. Irrespective of regardless of whether personal pieces for R & D purposes are necessary or Charge-effective numbers in little, medium or massive batches with in-time delivery for that creation line are necessary: GWU’s devoted company really helps click here to find the most effective Main components to your software.
Laser crystals are optical crystals �?typically one crystals (monocrystalline optical products) �?which might be used as get media for sound-point out lasers. Most often, They may be doped with possibly trivalent unusual earth ions or changeover metal ions.
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。