What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
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Laser modeling and simulation can be utilized to reliably figure out the the best possible crystal dimensions, doping density and possibly values of added parameters.
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 changeover cross-sections of pump and laser transitions as well as the upper-point out life time.
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For quasi-three-level laser gain media as well as three-amount get media, just one generally should limit the duration to a price which can be as well brief for economical pump absorption, as reabsorption outcomes would normally spoil the efficiency. For facet pumping, added concerns appear into play; Other than effective pump absorption, it is important to get a suitable spatial shape on the gain profile.
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A significant injury threshold in terms of pulse fluence or peak intensity could 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 in the get medium are most advantageous depend upon many factors. The obtainable pump supply (style of laser diode or lamp) as well as envisaged pumping arrangement are essential things, but the fabric alone also has some affect. One example is, titanium–sapphire lasers need to be pumped with significant intensities, for which the form of the transversely cooled rod, operated with comparatively smaller pump and laser beam diameter, is much more suitable than e.
These tables contain only the commonest host crystals; numerous others exist, which might be considerably less often applied.
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All those surfaces which might be handed with the laser beam are Commonly either oriented at Brewster's angle or have an anti-reflection coating.
For several factors, composite crystals are getting to be well known. These have a spatially different chemical composition and can be designed with Particular 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。
With That idea, just one would not need yet another saturable absorber crystal, so that one may make more compact Q-switched laser setups with lower interior parasitic losses. On the other hand, undesired Unintended effects may take place, like getting undesired valence states of the included ions or Vitality transfers.
GWU features all frequent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etcetera.) by using a wide selection of technical specs. Apart from the perfectly-proven elements, revolutionary crystals with remarkable properties like Yb:CALGO can open new horizons for demanding laser programs. It doesn't matter regardless of whether specific parts for R & D applications are essential or Charge-effective figures in modest, medium or substantial batches with in-time shipping for that generation line are wanted: GWU’s committed assistance helps you to discover the greatest core factors for your personal software.
It is apparent that distinctive apps result in pretty diverse specifications on laser get media. Because of this, a wide range of different crystals are made use of, and generating the ideal option is essential for setting up lasers with the best possible performance.
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。