The 5-Second Trick For Laser Crystal
The 5-Second Trick For Laser Crystal
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Diverse crystalline components are incredibly unique regarding their hardness as well as other Attributes, which determine with which procedures and how very easily they are often Slice and polished with top quality.
The medium should have a substantial transparency (small absorption and scattering) while in the wavelength regions of pump and laser radiation, and very good optical homogeneity. To some extent, this relies on the caliber of the material, determined by information on the fabrication course of action.
The host crystal is a lot more than just a way to fix the laser-active ions at selected positions in space. A variety of Homes on the host content are very important:
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The utmost doable doping focus can depend strongly to the host material and its fabrication system.
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蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光镜
On top of that, some flexibility is dropped in experiments if a single can not Check out absorbers with diverse thickness or doping concentration, for example, devoid of read more 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 concentration in the acquire medium are most useful depend upon various elements. The readily available pump supply (form of laser diode or lamp) and the envisaged pumping arrangement are essential variables, but the material itself also has some affect. One example is, titanium–sapphire lasers ought to be pumped with large intensities, for which the form of the transversely cooled rod, operated with fairly modest pump and laser beam diameter, is a lot more appropriate than e.
It may be oriented for close to perpendicular incidence in the laser beam, or at Brewster's angle. It can be fixed in certain good mount which also acts as a warmth sink. Larger sized crystals are frequently used for aspect pumping e.g. with large-electric power diode bars.
The most common laser-Energetic uncommon earth ions and host media along with some standard emission wavelengths are proven in the next table:
Several laser crystal components have been shown where by some saturable absorber substance is integrated for passive Q switching of a laser.
For many causes, composite crystals are becoming well known. These Possess a spatially different chemical composition and can be built with Specific 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。
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Laser crystals are optical crystals �?commonly solitary crystals (monocrystalline optical elements) �?which can be utilised as get media for solid-state lasers. Generally, They may be doped with both trivalent unusual earth ions or transition metal ions.
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。