The Single Best Strategy To Use For Laser Crystal
The Single Best Strategy To Use For Laser Crystal
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Unique crystalline materials are very distinctive about their hardness and also other Homes, which establish with which methods And exactly how simply they can be Slash and polished with high quality.
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 crystal is a lot more than just a way to fix the laser-Energetic ions at specified positions in space. Numerous Qualities from the host product are essential:
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For quasi-three-stage laser gain media or simply 3-degree get media, one usually really should limit the duration to a value which can be much too limited for effective pump absorption, as reabsorption effects would normally spoil the functionality. For facet pumping, additional issues appear into play; Other than effective pump absorption, it is vital to obtain an acceptable spatial form with the get profile.
g. a thin disk. As One more instance, Q-switched lasers attain the next inhabitants density from the higher laser level and they are consequently extra sensitive to quenching effects and Electricity transfer procedures; therefore, a reduced doping density is often appropriate for these gadgets. For top-electric power lasers, lower doping densities will often be accustomed to limit the density of warmth generation, While slender-disk lasers get the job done best with hugely doped crystals. Several laser products and solutions tend not to get to the whole general performance possible due to the fact this kind of information haven't been properly worked out.
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A substantial problems threshold with regard to pulse fluence or peak depth might be vital for high-Vitality amplifiers.
These ions permit the crystal to amplify light on the laser wavelength via stimulated emission, when Electrical power is supplied for the crystal by means of absorption of pump gentle (�?optical pumping
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It may be oriented for around perpendicular incidence with the laser beam, or at Brewster's angle. It might be preset in certain solid mount which also acts as being a heat sink. Bigger crystals are frequently employed for aspect pumping e.g. with substantial-electric power diode bars.
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Several laser crystal products are already demonstrated the place some saturable absorber materials more info is incorporated for passive Q switching of the laser.
For various motives, composite crystals are getting to be well-known. These Use a spatially different chemical composition and may be designed with special shapes.
There is a wide range of crystalline media, which can be grouped according to important atomic constituents and crystalline structures. Some crucial groups of crystals are:
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 �?typically single crystals (monocrystalline optical elements) �?that are utilised as attain media for sound-condition lasers. Most often, They may be doped with both trivalent exceptional earth ions or changeover metal 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。