An Unbiased View of Laser Crystal
An Unbiased View of Laser Crystal
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Laser modeling and simulation can be utilized to reliably decide the the best possible crystal dimensions, doping density And perhaps values of supplemental parameters.
The medium ought to have a significant transparency (low absorption and scattering) during the wavelength locations of pump and laser radiation, and good optical homogeneity. To some extent, this depends on the quality of the material, determined by aspects in the fabrication approach.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and in addition the upper-point out life time.
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The most attainable doping concentration can count strongly within the host material and its fabrication technique.
g. a thin disk. As another illustration, Q-switched lasers reach an increased populace density during the higher laser degree and they are as a result extra delicate to quenching effects and energy transfer processes; hence, a lower doping density is commonly suitable for these products. For top-power lasers, reduce doping densities are often used to limit the density of warmth generation, Despite the fact that slender-disk lasers get the job done finest with highly doped crystals. Many laser goods usually do not reach the whole effectiveness opportunity mainly because such information haven't been thoroughly labored out.
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A superior injury threshold concerning pulse fluence or peak depth could be critical for high-Strength 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
It may be oriented for around perpendicular incidence on the laser beam, or at Brewster's angle. It might be fastened in certain strong mount which also acts as a warmth sink. Much larger crystals are generally used for side pumping e.g. with substantial-electricity diode bars.
The read more commonest laser-active rare earth ions and host media together with some standard emission wavelengths are revealed in the next desk:
People surfaces which can be handed because of the laser beam are normally possibly oriented at Brewster's angle or have an anti-reflection coating.
For different reasons, composite crystals have become preferred. These Have a very spatially different chemical composition and will be made with Unique designs.
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。
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It is obvious that various apps bring about very various demands on laser attain media. For that reason, a wide array of different crystals are employed, and building the proper choice is essential for constructing lasers with ideal general 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。