New Step by Step Map For Laser Crystal
New Step by Step Map For Laser Crystal
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The commonest laser-Energetic unusual earth ions and host media along with some standard emission wavelengths are shown in the following table:
These ions permit the crystal to amplify light-weight in the laser wavelength by means of stimulated emission, when Vitality is provided into the crystal by way of absorption of pump gentle (�?optical pumping
Laser crystals are optical crystals �?commonly one crystals (monocrystalline optical components) �?that are utilised as get media for stable-state lasers. Generally, They can be doped with both trivalent unusual 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。
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and also the higher-condition life time.
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。
A superior floor top quality is certainly vital. Requirements of surface flatness tend to be better than . This allows to stop the two scattering losses and wavefront distortions which may degrade the laser's beam high-quality. On top of that, scratch and dig specifications
The most attainable doping concentration can depend strongly to the host material and its fabrication approach.
A few laser crystal supplies are already demonstrated exactly where some saturable absorber materials is incorporated for passive Q switching of the laser.
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。
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材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 elements laser crystal crystal progress optical effectiveness unusual earth ions transition team ions
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It could be oriented for near perpendicular incidence on the laser beam, or at Brewster's angle. It can be click here mounted in certain solid mount which also acts for a warmth sink. Larger crystals are usually employed for facet pumping e.g. with high-electricity diode bars.
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