About Laser Crystal

The commonest laser-Lively unusual earth ions and host media together with some regular emission wavelengths are proven in the following table:

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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and likewise the higher-state life span.

GWU delivers all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so on.) having a wide selection of specifications. Aside from the nicely-recognized components, impressive crystals with outstanding Houses like Yb:CALGO can open new horizons for demanding laser purposes. Regardless of irrespective of whether person pieces for R & D functions are essential or Charge-economical quantities in compact, medium or significant batches with in-time shipping for your production line are desired: GWU’s committed company really helps to locate the very best Main components for your application.

Certainly, it is extremely desirable that a specified crystal top quality is created continually, Whilst diverse laser types may have a special sensitivity to material parameters.

g. a thin disk. As Yet another example, Q-switched lasers arrive at the next populace density inside the upper laser amount and are therefore extra sensitive to quenching results and Strength transfer procedures; for that reason, a lower doping density is usually suitable for these gadgets. For top-electricity lasers, reduce doping densities tend to be used to limit the density of heat technology, Whilst slim-disk lasers function finest with extremely doped crystals. Several laser items don't get to the full effectiveness opportunity since these details haven't been adequately labored out.

The host crystal is considerably more than just a method to repair the laser-active ions at specific positions in Area. Numerous properties from the host material are important:

热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。

For quasi-3-stage laser acquire media or perhaps a few-amount acquire media, one particular normally must limit the length to a value that is also limited for successful pump absorption, as reabsorption results would normally spoil the effectiveness. For aspect pumping, additional considerations Laser Crystal occur into Participate in; Other than successful pump absorption, it can be crucial to get a suitable spatial condition on the acquire profile.

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。

GWU-Lasertechnik has much more than 30 years of working experience in distributing laser crystals. Decide on GWU to take advantage of our large information As well as in-field practical experience!

There is certainly an array of crystalline media, which can be grouped in accordance to big atomic constituents and crystalline structures. Some important groups of crystals are:

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。