The Nonlinear Crystal Diaries
The Nonlinear Crystal Diaries
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Laser modeling and simulation can be employed to reliably figure out the optimum crystal Proportions, doping density and possibly values of supplemental parameters.
The medium should have a large transparency (very low absorption and scattering) in the wavelength regions of pump and laser radiation, and superior optical homogeneity. To some extent, this relies on the quality of the material, determined by information of your fabrication system.
The host crystal is a lot more than just a way to repair the laser-Energetic ions at sure positions in House. A number of Qualities in the host content are very important:
激光晶体由发光中心和基质晶体两部分组成。大部分激光晶体的发光中心由激活离子构成,激活离子部分取代基质晶体中的阳离子形成掺杂型激光晶体。激活离子成为基质晶体组分的一部分时,则构成自激活激光晶体。
The most feasible doping focus can depend strongly about the host material and its fabrication strategy.
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Additionally, some adaptability is shed in experiments if one particular can't Check out absorbers with distinct thickness or doping focus, by way of example, with out exchanging the laser crystal alone.
These ions permit the crystal to amplify light-weight on the laser wavelength by using stimulated emission, when Vitality is equipped to the crystal through absorption of pump light-weight (�?optical pumping
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It may be oriented for near perpendicular incidence from the laser beam, or at Brewster's angle. It can be set in some sound mount which also functions as being a warmth sink. Larger sized crystals tend to be useful for facet pumping e.g. with substantial-energy diode bars.
The most common laser-Energetic unusual earth ions and host media together with some regular emission wavelengths are proven in the subsequent desk:
A few laser crystal elements are already demonstrated where by some saturable absorber materials is included for passive Q switching of a laser.
For a variety of good reasons, composite crystals are getting to be more info well-liked. These Have got a spatially varying chemical composition and can be made with special 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。
蓝宝�?柱面�?球罩 偏振�?棱镜 红外光学元件 反射�?光学窗口 非球面镜 波片 分光�?制造能力
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Laser crystals are optical crystals �?ordinarily one crystals (monocrystalline optical components) �?that are made use of as get media for stable-state lasers. Usually, They can be doped with possibly trivalent exceptional earth ions or changeover steel ions.
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。