5 Easy Facts About Nonlinear Crystal Described
5 Easy Facts About Nonlinear Crystal Described
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Distinctive crystalline materials are incredibly unique about their hardness along with other Houses, which decide with which approaches And the way very easily they can be Minimize and polished with good quality.
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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and likewise the upper-state lifetime.
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 concentration can count strongly on the host content and its fabrication technique.
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Additionally, some flexibility is dropped in experiments if one are not able to try out absorbers with diverse thickness or doping focus, for instance, with out exchanging the laser crystal 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：
Which geometry, dopant and doping focus of the attain medium are most advantageous rely on a number of things. The readily available pump resource (type of laser diode or lamp) along with the envisaged pumping arrangement are important aspects, but the fabric alone also has some impact. Such as, titanium–sapphire lasers must be pumped with significant intensities, for which the shape of the transversely cooled rod, operated with reasonably small pump and laser beam diameter, is much more appropriate than e.
It might be oriented for in the vicinity of perpendicular incidence in the laser beam, or at Brewster's angle. It may be mounted in certain stable mount which also acts being a heat sink. Much larger crystals usually are utilized for facet pumping e.g. with superior-electric power diode bars.
The commonest laser-active unusual earth ions and host media together with some typical emission wavelengths are shown in the following desk:
A few laser crystal supplies have been shown wherever some saturable absorber materials is integrated for passive Q switching of a laser.
For several good reasons, composite crystals are getting to be well-liked. These Have a very spatially varying chemical composition and may be built with special designs.
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。
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GWU offers all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) with a wide variety of technical specs. Other than the here perfectly-proven elements, progressive crystals with excellent Houses like Yb:CALGO can open up new horizons for demanding laser applications. It does not matter no matter whether person items for R & D uses are needed or Price tag-effective quantities in tiny, medium or significant batches with in-time shipping and delivery with the manufacturing line are wanted: GWU’s committed assistance helps you to find the finest core factors for your software.
It is apparent that different purposes cause quite various necessities on laser acquire media. Due to this, a broad assortment of various crystals are applied, and generating the correct preference is important for developing lasers with the best possible efficiency.
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。