Fascination About Laser Crystal
Fascination About Laser Crystal
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The most typical laser-Lively unusual earth ions and host media along with some regular emission wavelengths are demonstrated in the next desk:
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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。
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。
Which geometry, dopant and doping focus from the achieve medium are most beneficial depend upon various factors. The readily available pump supply (sort of laser diode or lamp) and also the envisaged pumping arrangement are important factors, but the fabric itself also has some impact. Such as, titanium–sapphire lasers should be pumped with high intensities, for which the shape of a transversely cooled rod, operated with relatively smaller pump and laser beam diameter, is more correct than e.
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Obviously, it is extremely appealing that a offered crystal high quality is created regularly, Even though diverse laser types might have a unique sensitivity to materials parameters.
The most feasible doping focus can rely strongly on the host content and its fabrication method.
The host crystal is considerably more than simply a means to repair the laser-Lively ions at particular positions in Place. A number of Homes on the host content are crucial:
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These surfaces which might be handed from the laser beam are Typically either oriented at Brewster's angle or have an anti-reflection coating.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal progress optical performance unusual earth get more info ions transition team ions
The medium ought to have a significant transparency (minimal absorption and scattering) within the wavelength regions of pump and laser radiation, and good optical homogeneity. To some extent, this relies on the caliber of the fabric, determined by aspects on the fabrication procedure.
It might be oriented for around perpendicular incidence on the laser beam, or at Brewster's angle. It could be fastened in some sound mount which also acts as being a heat sink. Larger crystals are often used for facet pumping e.g. with significant-electric power diode bars.
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