Laser Crystal Can Be Fun For Anyone
Laser Crystal Can Be Fun For Anyone
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These tables comprise only the most common host crystals; several Other folks exist, that are a lot less frequently employed.
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Laser crystals are optical crystals �?normally solitary crystals (monocrystalline optical components) �?which happen to be used as obtain media for reliable-point out lasers. In most cases, These are doped with either trivalent exceptional earth ions or transition steel ions.
Also, some adaptability is lost in experiments if a single are unable to Check out absorbers with distinctive thickness or doping focus, for instance, without having exchanging the laser crystal by itself.
Which geometry, dopant and doping focus of your attain medium are most advantageous rely on numerous aspects. The obtainable pump source (variety of laser diode or lamp) and the envisaged pumping arrangement are crucial variables, but the material alone also has some affect. As an example, titanium–sapphire lasers need to be pumped with higher intensities, for which the shape of a transversely cooled rod, operated with reasonably tiny pump and laser beam diameter, is a lot more acceptable than e.
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。
Needless to say, it is extremely desirable that a given crystal quality is manufactured continuously, While distinct laser styles might have a distinct sensitivity to materials parameters.
g. a skinny disk. As An additional illustration, Q-switched lasers attain an increased inhabitants density inside the higher laser amount and are consequently additional delicate to quenching consequences and Power transfer processes; for that reason, a lessen doping density is commonly suitable for these devices. For prime-power lasers, lower doping densities tend to be used to Restrict the density of warmth generation, Even though slim-disk lasers do the job very best with extremely doped crystals. A lot of laser solutions tend not to reach the complete overall performance potential because these types of aspects have not been properly worked out.
Laser modeling and simulation can be used to reliably identify the optimum crystal Proportions, doping density and possibly values of added parameters.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
For quasi-three-amount laser gain media or maybe three-amount achieve media, 1 normally should Restrict the size to a value which is way too short for successful pump absorption, as reabsorption effects would normally spoil the performance. For aspect pumping, more considerations arrive into Perform; Other than efficient pump absorption, Laser Crystal it is necessary to get an acceptable spatial condition of your acquire profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 components laser crystal crystal expansion optical efficiency unusual earth ions changeover team ions
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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。