Getting My Nonlinear Crystal To Work
Getting My Nonlinear Crystal To Work
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Different crystalline elements are quite different relating to their hardness along with other Attributes, which decide with which solutions And the way quickly they can be Lower and polished with high 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 crystal is way more than simply a method to repair the laser-Lively ions at sure positions in space. Quite a few Houses with the host material are 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 achievable doping focus can depend strongly about the host material and its fabrication strategy.
g. a skinny disk. As Yet another case in point, Q-switched lasers attain an increased population density inside the higher laser level and therefore are thus more sensitive to quenching outcomes and energy transfer processes; for that reason, a lessen doping density is often appropriate for these gadgets. For prime-electrical power lasers, decreased doping densities are often used to Restrict the density of warmth technology, Even though skinny-disk lasers get the job done most effective with extremely doped crystals. Several laser merchandise never get to the full overall performance prospective due to the fact these types of aspects haven't been thoroughly labored out.
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A large destruction threshold regarding pulse fluence or peak depth might be important for prime-Electrical power 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 attain medium are most advantageous depend upon quite a few elements. The offered pump resource (type of laser diode or lamp) as well as the envisaged pumping arrangement are very important factors, but the material itself also has some affect. By way of example, titanium–sapphire lasers ought to be pumped with high intensities, for which the form of a transversely cooled rod, operated with comparatively modest pump and laser beam diameter, is a lot more correct than e.
It could be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It might be fixed in a few sound mount which also acts like a heat sink. More substantial crystals are frequently employed for aspect pumping e.g. with large-electric power more info diode bars.
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Those people surfaces that happen to be handed because of the laser beam are Usually both oriented at Brewster's angle or have an anti-reflection coating.
For several motives, composite crystals have become well-known. These Use a spatially various chemical composition and might be built with Unique 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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It is obvious that distinct programs produce incredibly unique needs on laser acquire media. Because of this, a wide array of different crystals are employed, and producing the best choice is essential for setting up lasers with the best possible overall 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。