About Laser Crystal
About Laser Crystal
Blog Article
The most common laser-active rare earth ions and host media along with some regular emission wavelengths are shown in the subsequent 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。
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The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions in addition to the higher-state life time.
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A substantial area quality is naturally vital. Specifications of surface flatness are frequently a lot better than . This can help in order to avoid both equally scattering losses and wavefront distortions which can degrade the laser's beam high quality. Furthermore, scratch and dig specs
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
Laser modeling and simulation can be employed to reliably establish the optimum crystal dimensions, doping density And maybe values of further parameters.
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
Individuals surfaces which are passed because of the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
The medium must have a high transparency (small absorption and scattering) while in the wavelength regions of pump and laser radiation, and superior optical homogeneity. To some extent, this will depend on the quality of the fabric, determined by facts from the fabrication system.
With That idea, just one won't have to have yet another saturable absorber crystal, click here to make sure that a person may well make additional compact Q-switched laser setups with decrease inner parasitic losses. Nevertheless, unwanted side effects could also arise, including getting undesirable valence states of the included ions or Power transfers.
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