5 Simple Techniques For Laser Crystal
5 Simple Techniques For Laser Crystal
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Laser modeling and simulation can be employed to reliably figure out the the best possible crystal dimensions, doping density And maybe values of added parameters.
The medium must have a higher transparency (reduced 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 fabric, determined by particulars in the fabrication procedure.
The host crystal is considerably more than just a means to fix the laser-Lively ions at certain positions in Area. A variety of Homes on the host content are crucial:
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The maximum doable doping concentration can count strongly around the host substance and its fabrication technique.
g. a skinny disk. As An additional illustration, Q-switched lasers arrive at a better inhabitants density within the upper laser amount and are for that reason far more delicate to quenching effects and Vitality transfer procedures; therefore, a reduced doping density is frequently suitable for these devices. For high-electricity lasers, lessen doping densities tend to be utilized to Restrict the density of warmth era, While thin-disk lasers perform very best with remarkably doped crystals. Many laser merchandise don't get to the complete overall performance possible since this sort of particulars have not been adequately labored out.
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A significant injury threshold with regards to pulse fluence or peak intensity might be important for top-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 include only the most typical host crystals; quite a few Some others exist, that are less frequently used.
The commonest laser-active exceptional earth ions and host media along with some normal emission wavelengths are demonstrated in the subsequent desk:
These surfaces which might be passed through the laser beam are normally possibly oriented at Brewster's angle or have an anti-reflection coating.
For various factors, composite crystals have gotten popular. These Have a very spatially different chemical composition and will be created with Distinctive designs.
There's an array of crystalline media, that may be grouped according to big atomic constituents and crystalline buildings. Some significant groups of crystals are:
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It is clear that distinctive applications cause read more very unique requirements on laser achieve media. Due to this, a broad assortment of various crystals are employed, and making the best preference is essential for constructing lasers with optimum functionality.
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。