Laser Crystal Options
Laser Crystal Options
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The commonest laser-Lively exceptional earth ions and host media together with some typical emission wavelengths are demonstrated in the following desk:
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。
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
Which geometry, dopant and doping focus with the obtain medium are most beneficial rely on quite a few factors. The offered pump source (sort of laser diode or lamp) and the envisaged pumping arrangement are crucial elements, but the fabric itself also has some affect. By way of example, titanium–sapphire lasers need to be pumped with superior intensities, for which the form of the transversely cooled rod, operated with comparatively compact pump and laser beam diameter, is a lot more appropriate than e.
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Needless to say, it is very fascinating that a offered crystal excellent is made continually, Even though diverse laser layouts may have a different sensitivity to material parameters.
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
Laser modeling and simulation may be used to reliably determine the optimum crystal Proportions, doping density And maybe values of added parameters.
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。
For quasi-a few-stage laser obtain media or simply a few-level attain media, a single normally really should Restrict the length to a worth that is far too quick for effective pump absorption, as reabsorption results would usually spoil the effectiveness. For side pumping, further criteria come into Enjoy; besides productive pump absorption, it is vital to get an appropriate spatial shape of the get profile.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 products laser crystal crystal expansion optical general performance exceptional earth ions transition team ions
The medium must have a significant transparency (small absorption and scattering) within the wavelength regions of pump and laser radiation, and great optical homogeneity. To some extent, this is dependent upon the caliber of the material, determined by specifics on the fabrication approach.
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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。