Laser Crystal Options
Laser Crystal Options
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The most common laser-Energetic scarce earth ions and host media together with some normal emission wavelengths are revealed in the subsequent table:
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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
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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激光晶体的损伤阈值与其能承受的最大光强有关，而不会遭受物理或结构损伤。高损伤阈值对于确保高功率激光应用的耐久性和长寿命至关重要。
g. a skinny disk. As An additional instance, Q-switched lasers attain an increased populace density during the upper laser degree and they are therefore much more delicate to quenching outcomes and Power transfer processes; therefore, a decreased doping density is usually appropriate for these products. For prime-energy lasers, lessen doping densities are frequently accustomed to limit the density of warmth era, although thin-disk lasers get the job done greatest with extremely doped crystals. Several laser items get more info will not reach the whole functionality likely since these kinds of facts have not been correctly worked out.
A number of laser crystal supplies have been demonstrated in which some saturable absorber substance 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。
It is apparent that diverse apps result in very distinctive demands on laser get media. Because of this, a broad variety of different crystals are made use of, and building the best selection is essential for developing lasers with ideal overall performance.
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 should have a substantial transparency (very low absorption and scattering) from the wavelength locations of pump and laser radiation, and superior optical homogeneity. To some extent, this depends on the standard of the fabric, based on aspects of the fabrication process.
With That idea, a person will not have to have an additional saturable absorber crystal, to ensure that one could make more compact Q-switched laser setups with reduced inner parasitic losses. Even so, undesirable Negative effects may additionally manifest, which include obtaining unwanted valence states on the involved ions or Electricity transfers.
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。