The Greatest Guide To Laser Crystal

The Greatest Guide To Laser Crystal

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激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。

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The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and also the upper-condition life time.

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A superior area high quality is naturally crucial. Specs of surface area flatness are frequently better than . This assists to avoid both scattering losses and wavefront distortions which can degrade the laser's beam high-quality. On top of that, scratch and dig requirements

g. a skinny disk. As A further example, Q-switched lasers attain a better populace density from the higher laser level and so are hence extra delicate to quenching consequences and energy transfer procedures; therefore, a lower doping density is commonly suitable for these products. For prime-electrical power lasers, reduced doping densities are frequently used to Restrict more info the density of heat generation, Whilst slim-disk lasers get the job done ideal with very doped crystals. Numerous laser products will not reach the comprehensive effectiveness prospective because these particulars haven't been properly worked out.

The host crystal is way more than simply a method to repair the laser-Energetic ions at selected positions in House. A number of properties from the host materials are essential:

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It is clear that distinctive purposes lead to very different specifications on laser acquire media. For this reason, a wide array of different crystals are utilized, and creating the right selection is essential for constructing lasers with the best possible general performance.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical functionality unusual earth ions changeover group ions 

For several explanations, composite crystals have gotten preferred. These have a spatially varying chemical composition and can be made with Distinctive shapes.

There exists a variety of crystalline media, that may be grouped in accordance to big atomic constituents and crystalline buildings. Some important teams 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。