Laser Crystal No Further a Mystery
Laser Crystal No Further a Mystery
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These tables comprise only the most common host crystals; several others exist, that are significantly less usually applied.
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。
Furthermore, some adaptability is missing in experiments if a person are not able to try out absorbers with distinctive thickness or doping concentration, one example is, with out exchanging the laser crystal by itself.
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Certainly, it's very attractive that a supplied crystal top quality is created consistently, Despite the fact that distinct laser designs may have a special sensitivity to material parameters.
g. a thin disk. As Yet another illustration, Q-switched lasers arrive at the next inhabitants density within the higher laser degree and they are for that reason more sensitive to quenching results and Electrical power transfer procedures; consequently, a decrease doping density is frequently suitable for these products. For prime-electric power lasers, lessen doping densities in many cases are accustomed to limit the density of warmth era, While slender-disk lasers work best with highly doped crystals. Numerous laser goods do not reach the complete general performance likely mainly because this kind of particulars haven't been appropriately labored out.
The host crystal is way more than just a means to repair the laser-Lively ions at sure positions in Place. A variety of Houses with the host materials are very important:
激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。
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Distinct crystalline materials are very different relating to their hardness and website also other Houses, which figure out with which solutions And exactly how quickly they can be cut and polished with top quality.
The medium ought to have a higher transparency (reduced absorption and scattering) inside the wavelength areas of pump and laser radiation, and fantastic optical homogeneity. To some extent, this depends upon the quality of the material, based on specifics of the fabrication approach.
It could be oriented for in close proximity to perpendicular incidence of the laser beam, or at Brewster's angle. It may be mounted in some stable mount which also functions being a warmth sink. Larger crystals usually are useful for side pumping e.g. with higher-energy diode bars.
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。