The Laser Crystal Diaries
The Laser Crystal Diaries
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GWU gives all typical laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so on.) using a wide a number of technical specs. Other than the well-established supplies, revolutionary crystals with excellent Homes like Yb:CALGO can open new horizons for demanding laser purposes. It does not matter irrespective of whether unique items for R & D functions are demanded or Value-efficient figures in smaller, medium or big batches with in-time supply for your output line are essential: GWU’s focused provider really helps to find the ideal Main components in your software.
A get more info substantial surface area excellent is obviously critical. Technical specs of surface flatness tend to be a lot better than . This can help to avoid each scattering losses and wavefront distortions which may degrade the laser's beam top quality. Moreover, scratch and dig requirements
The maximum attainable doping concentration can rely strongly on the host content and its fabrication method.
激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。
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-amount laser gain media or even three-level acquire media, 1 normally has to Restrict the size to a worth which can be much too small for successful pump absorption, as reabsorption results would usually spoil the performance. For aspect pumping, additional things to consider appear into Enjoy; Other than effective pump absorption, it can be crucial to acquire an acceptable spatial condition from the obtain profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal growth optical functionality exceptional earth ions changeover team ions
The medium should have a superior transparency (very low 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 caliber of the fabric, determined by aspects in the fabrication process.
With That idea, one does not require an additional saturable absorber crystal, to ensure that 1 might make much more compact Q-switched laser setups with reduce internal parasitic losses. Even so, undesirable Negative effects may additionally take place, like getting unwanted valence states with the included ions or Vitality 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。