Detailed Notes on Laser Crystal
Detailed Notes on Laser Crystal
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Laser modeling and simulation can be used to reliably decide the the best possible crystal Proportions, doping density And perhaps values of supplemental 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 crystal is way more than just a method to fix the laser-active ions at sure positions in Place. Quite a few Homes from the host product are very important:
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 possible doping focus can depend strongly around the host materials and its fabrication technique.
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Moreover, some flexibility is dropped in experiments if one are not able to Check out absorbers with various thickness or doping concentration, for example, without having exchanging the laser crystal alone.
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 of the attain medium are most useful rely upon numerous factors. The offered pump resource (kind of laser diode or lamp) plus the envisaged pumping arrangement are very important elements, but the fabric itself also has some impact. By way of example, titanium–sapphire lasers must be pumped with substantial intensities, for which the form of the transversely cooled rod, operated with fairly modest pump and laser beam diameter, is a lot more proper than e.
These tables have only the most common host crystals; lots of Some others exist, that happen to be much less regularly applied.
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A few laser crystal components have already been demonstrated in which some saturable absorber content is integrated for passive Q switching of a laser.
For different causes, composite crystals have gotten common. These Have got a spatially different chemical more info composition and will be made with Unique shapes.
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 does not want a further saturable absorber crystal, to make sure that 1 might make much more compact Q-switched laser setups with reduced inside parasitic losses. Having said that, unwanted Negative effects can also take place, like getting unwelcome valence states of your included ions or Strength transfers.
GWU provides all popular laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) using a broad a number of technical specs. Besides the very well-set up components, modern crystals with outstanding Homes like Yb:CALGO can open up new horizons for demanding laser programs. It doesn't matter no matter whether person items for R & D applications are necessary or Expense-economical numbers in little, medium or massive batches with in-time supply with the production line are required: GWU’s devoted assistance really helps to discover the ideal core elements in your software.
It is clear that diverse applications bring on really distinct needs on laser attain media. For that reason, a wide selection of various crystals are utilised, and creating the appropriate selection is important for developing lasers with optimum 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。