Top Laser Crystal Secrets
Top Laser Crystal Secrets
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The commonest laser-Energetic exceptional earth ions and host media along with some normal emission wavelengths are proven in the subsequent desk:
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
Laser crystals are optical crystals �?usually single crystals (monocrystalline optical elements) �?that happen to be used as achieve media for solid-condition lasers. Typically, They're doped with both trivalent scarce earth ions or changeover metal ions.
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A high surface area good quality is needless to say significant. Technical specs of area flatness tend to be a lot better than . This aids to prevent both scattering losses and wavefront distortions which may degrade the laser's beam top quality. Furthermore, scratch and dig specs
The maximum doable doping concentration can rely strongly on the host content and its fabrication method.
The host crystal is considerably more than simply a method to repair the laser-Energetic ions at selected positions in space. Several Houses of your host material are essential:
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
It is clear that different applications result in extremely various needs on laser obtain media. Because of this, a broad assortment of different crystals are utilized, and making the right preference is important for constructing lasers with the best possible effectiveness.
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The medium ought to have a substantial transparency (reduced absorption and here scattering) during the wavelength areas of pump and laser radiation, and good optical homogeneity. To some extent, this will depend on the quality of the fabric, based on specifics of your fabrication method.
It could be oriented for in close proximity to perpendicular incidence on the laser beam, or at Brewster's angle. It can be fastened in certain good mount which also acts being a warmth sink. Bigger crystals are often utilized for aspect pumping e.g. with high-electric power diode bars.
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。