Nonlinear Crystal No Further a Mystery
Nonlinear Crystal No Further a Mystery
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Laser modeling and simulation can be used to reliably figure out the optimum crystal Proportions, doping density and possibly values of additional parameters.
The medium should have a large transparency (very low absorption and scattering) within the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this is determined by the caliber of the fabric, based on particulars on the fabrication process.
The host medium influences strongly the wavelength, bandwidth and transition cross-sections of pump and laser transitions and also the upper-state lifetime.
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 maximum doable doping concentration can count strongly within the host product and its fabrication approach.
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In addition, some overall flexibility is misplaced in experiments if one simply cannot try out absorbers with different thickness or doping focus, for instance, without the need of exchanging the laser crystal by itself.
These ions permit the crystal to amplify light with the laser wavelength via stimulated emission, when Strength is supplied on the crystal by using absorption of pump mild (�?optical pumping
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It may be oriented for close to perpendicular incidence of the laser beam, or at Brewster's angle. It might be fastened in a few sound mount which also acts to be a warmth sink. Greater crystals are frequently used for aspect pumping e.g. with higher-ability diode bars.
The most common laser-Energetic rare earth ions and host media together with some normal emission wavelengths are shown in the next desk:
Those surfaces which can be handed because of the laser beam are Usually possibly oriented at Brewster's angle or have an anti-reflection coating.
Naturally, it is vitally attractive that a presented crystal top quality is manufactured persistently, Even though different laser models may have a special sensitivity to material parameters.
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 �?commonly single crystals (monocrystalline optical resources) �?that happen to be used more info as obtain media for stable-point out lasers. Normally, These are doped with either trivalent unusual earth ions or changeover metallic 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。