About Laser Crystal
About Laser Crystal
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The commonest laser-active uncommon earth ions and host media together with some typical emission wavelengths are demonstrated in the next table:
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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。
In addition, some versatility is dropped in experiments if just one cannot try out absorbers with various thickness or doping concentration, as an example, devoid of exchanging the laser crystal by itself.
Which geometry, dopant and doping focus with the achieve medium are most beneficial count on many components. The obtainable pump resource (sort of laser diode or lamp) and the envisaged pumping arrangement are crucial things, but the material alone also has some affect. Such as, titanium–sapphire lasers must be pumped with high intensities, for which the form of the transversely cooled rod, operated with comparatively small pump and laser beam diameter, is more proper than e.
GWU offers all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so on.) using a broad number of specifications. Besides the well-established materials, innovative crystals with superb Attributes like Yb:CALGO can open new horizons for demanding laser applications. Irrespective of no matter if specific pieces for R & D uses are necessary or cost-successful numbers in modest, medium or big batches with in-time shipping for the output line are necessary: GWU’s dedicated services really helps to find the most effective Main elements to your software.
A read more substantial floor excellent is naturally significant. Specs of floor flatness are frequently better than . This aids to stay away from the two scattering losses and wavefront distortions which may degrade the laser's beam good quality. On top of that, 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。
Several laser crystal products have already been shown where some saturable absorber content is included for passive Q switching of a laser.
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。
For quasi-a few-stage laser obtain media or even 3-level get media, a single normally ought to Restrict the duration to a value which is way too shorter for productive pump absorption, as reabsorption consequences would in any other case spoil the performance. For side pumping, more considerations arrive into Engage in; Other than effective pump absorption, it is necessary to acquire an acceptable spatial condition of the obtain profile.
Distinct crystalline components are really distinct about their hardness and also other properties, which establish with which methods And the way quickly they may be Reduce and polished with high quality.
For various explanations, composite crystals have gotten common. These Possess a spatially varying chemical composition and might be manufactured with Unique styles.
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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。