The Ultimate Guide To Nonlinear Crystal

The Ultimate Guide To Nonlinear Crystal

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Laser modeling and simulation can be employed to reliably determine the optimum crystal dimensions, doping density and possibly values of extra parameters.

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。

The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions as well as the higher-point out lifetime.

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For quasi-three-amount laser attain media or simply 3-degree acquire media, a single usually needs to Restrict the length to a price that's as well shorter for successful pump absorption, as reabsorption results would or else spoil the performance. For aspect pumping, supplemental things to consider arrive into Participate in; Moreover effective pump absorption, it is important to get an acceptable spatial shape of your acquire profile.

g. a skinny disk. As An additional illustration, Q-switched lasers access a greater populace density during the higher laser stage and they are consequently a lot more sensitive to quenching consequences and Power transfer processes; as a result, a reduced doping density is usually appropriate for these equipment. For top-power lasers, lower doping densities are frequently accustomed to limit the density of warmth generation, Whilst slim-disk lasers get the job done ideal with hugely doped crystals. Several laser items don't get to the whole general performance probable for the reason that this kind of facts have not been properly worked out.

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A substantial hurt threshold with regards to pulse fluence or peak depth is often vital for prime-Electrical power amplifiers.

作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：

晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心

These tables consist of only the most common host crystals; lots of Other people exist, that are fewer routinely applied.

The most common laser-active unusual earth ions and host media along with some normal emission wavelengths are demonstrated in the next desk:

A number of laser crystal supplies have been shown exactly where some saturable absorber material is included for passive Q switching of a laser.

Of course, it is rather desirable that a provided crystal high-quality is made continuously, Though unique laser designs can have a unique sensitivity to product parameters.

There's an array of crystalline media, which may be grouped in accordance to special atomic constituents and crystalline structures. Some crucial groups of crystals are:

With That idea, one particular won't need an additional saturable absorber crystal, to ensure that 1 could make a lot more compact Q-switched laser setups with reduce internal parasitic losses. However, unwelcome Unwanted effects may additionally take place, click here such as getting unwanted valence states of the associated ions or Power transfers.

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It is clear that diverse applications bring on extremely unique needs on laser gain media. For that reason, a wide variety of various crystals are applied, and creating the appropriate option is essential for setting up lasers with the best possible overall performance.

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。