Top Laser Crystal Secrets
Top Laser Crystal Secrets
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The most typical laser-Lively uncommon earth ions and host media together with some common emission wavelengths are revealed in the subsequent desk:
These ions enable the crystal to amplify gentle in the laser wavelength by means of stimulated emission, when Strength is supplied on the crystal by using absorption of pump light-weight (�?optical pumping
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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。
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GWU features all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etc.) having a broad variety of specifications. Besides the nicely-recognized resources, modern crystals with exceptional Qualities like Yb:CALGO can open up new horizons for demanding laser apps. Irrespective of no matter whether personal parts for R & D needs are needed or Price tag-productive quantities in tiny, medium or large batches with in-time shipping with the creation line are desired: GWU’s devoted assistance really helps to find the greatest Main factors for the application.
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。
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。
A read more handful of laser crystal components have been demonstrated wherever some saturable absorber materials is integrated for passive Q switching of the 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-three-stage laser obtain media or even a few-level attain media, one particular frequently really should limit the duration to a value and that is also shorter for successful pump absorption, as reabsorption effects would usually spoil the efficiency. For aspect pumping, additional issues occur into play; Aside from economical pump absorption, it is vital to get an appropriate spatial form with the attain profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal progress optical efficiency unusual earth ions changeover team ions
The medium should have a superior transparency (lower absorption and scattering) inside the wavelength locations of pump and laser radiation, and very good optical homogeneity. To some extent, this is determined by the standard of the material, based on particulars with the fabrication method.
With that concept, a single will not want an extra saturable absorber crystal, in order that a single might make a lot more compact Q-switched laser setups with reduce internal parasitic losses. Having said that, undesired Unintended effects may additionally take place, such as acquiring unwanted valence states with the concerned ions or Vitality 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。