Laser Crystal - An Overview
Laser Crystal - An Overview
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The commonest laser-active scarce earth ions and host media together with some standard emission wavelengths are proven in the next desk:
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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 common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so on.) by using a wide a number of specs. Aside from the well-recognized resources, modern crystals with superb Attributes like Yb:CALGO can open new horizons for demanding laser purposes. It does not matter irrespective of whether specific pieces for R & D functions are expected or cost-effective quantities in small, medium or significant batches with in-time shipping and delivery with the manufacturing line are essential: GWU’s devoted provider helps you to discover the very best core parts for your application.
A superior area quality is check here needless to say crucial. Specifications of surface area flatness are sometimes much better than . This aids to stay away from the two scattering losses and wavefront distortions which may degrade the laser's beam high quality. Furthermore, scratch and dig specs
The utmost achievable doping concentration can depend strongly around the host materials and its fabrication system.
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-3-degree laser obtain media and even 3-degree obtain media, just one normally needs to Restrict the size to a value which is much too small for productive pump absorption, as reabsorption results would otherwise spoil the performance. For facet pumping, further considerations arrive into Participate in; Aside from successful pump absorption, it is vital to acquire a suitable spatial shape in the achieve profile.
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The medium must have a higher transparency (reduced absorption and scattering) inside the wavelength regions of pump and laser radiation, and good optical homogeneity. To some extent, this depends on the quality of the fabric, based on specifics of the fabrication procedure.
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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。