New Step by Step Map For Nonlinear Crystal
New Step by Step Map For Nonlinear Crystal
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Laser modeling and simulation may be used to reliably identify the ideal crystal Proportions, doping density and possibly 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 considerably more than simply a method to repair the laser-Lively ions at certain positions in Area. Several Houses with the host product are crucial:
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The utmost possible doping concentration can count strongly within the host product and its fabrication approach.
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A high hurt threshold when it comes to pulse fluence or peak depth may be significant for high-Electricity amplifiers.
These ions allow the crystal to amplify gentle at the laser wavelength through stimulated emission, when energy is provided to your crystal by way of absorption of pump gentle (�?optical pumping
Which geometry, dopant and doping focus from the get medium are most useful rely on various factors. The obtainable pump supply (variety of laser diode or lamp) and also the envisaged pumping arrangement are very important components, but the fabric itself also has some influence. As an example, titanium–sapphire lasers should be pumped with superior intensities, for which the shape of a transversely cooled rod, operated with rather small pump and laser beam diameter, is more suitable than e.
It may be oriented for around perpendicular incidence on the laser beam, or at Brewster's angle. It could be fastened in certain stable mount which also functions for a warmth sink. Much larger crystals usually are useful for facet pumping e.g. with significant-electric power diode bars.
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These surfaces which can be passed through the laser beam are Ordinarily both oriented at Brewster's angle or have an anti-reflection coating.
For a variety of reasons, composite crystals have become well known. These Have got a spatially varying chemical composition and might be designed with Exclusive 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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Laser crystals are optical crystals �?generally one crystals (monocrystalline optical materials) �?that are utilised as get media for strong-point out lasers. Most often, They can be doped with either trivalent scarce 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。