Laser Crystal for Dummies
Laser Crystal for Dummies
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These tables include only the most typical host crystals; numerous Some others exist, which can be a lot less frequently employed.
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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。
Also, some adaptability is shed in experiments if one simply cannot Check out absorbers with distinctive thickness or doping focus, by way of example, devoid of exchanging the laser crystal by itself.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the upper-condition life time.
GWU features all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) by using a broad variety of technical specs. Aside from the effectively-established elements, modern crystals with excellent Attributes like Yb:CALGO can open new horizons for demanding laser purposes. It doesn't matter irrespective of whether particular person pieces for R & D uses are needed or Charge-efficient figures in smaller, medium or big batches with in-time shipping and delivery for that production line are necessary: GWU’s committed assistance really helps to locate the very best Main elements on your software.
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 A different example, Q-switched lasers achieve the next inhabitants density within the upper laser degree and therefore are thus extra delicate to quenching consequences and energy transfer procedures; therefore, a decreased doping density is commonly suitable for these products. For prime-electricity lasers, decreased doping densities will often be utilized to limit the density of heat technology, While slim-disk lasers perform very best with highly doped crystals. Lots of laser solutions usually do not reach the whole functionality possible because these details have not been appropriately worked out.
The host crystal is a lot more than just a means to fix the laser-Energetic ions at specific positions in space. Quite a few Attributes of your host material are important:
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 materials laser crystal crystal development optical functionality exceptional earth ions changeover group ions
The medium must have a significant transparency (very low absorption and scattering) from the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this depends on the quality of the fabric, based on particulars with the fabrication website process.
With That idea, just one won't will need a further saturable absorber crystal, to ensure that one may perhaps make extra compact Q-switched laser setups with decreased inner parasitic losses. Nevertheless, unwelcome Unintended effects may additionally happen, which include obtaining unwanted valence states on the involved ions or Strength transfers.
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。