5 Essential Elements For Laser Crystal
5 Essential Elements For Laser Crystal
Blog Article
The commonest laser-active scarce earth ions and host media along with some usual emission wavelengths are proven in the next table:
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。
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Which geometry, dopant and doping concentration of the gain medium are most useful count on many things. The out there pump resource (style of laser diode or lamp) as well as the envisaged pumping arrangement are important things, but the fabric by itself also has some influence. One example is, titanium–sapphire lasers must be pumped with large intensities, for which the form of a transversely cooled rod, operated with somewhat smaller pump and laser beam diameter, is a lot more suitable than e.
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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
The most feasible doping focus can count strongly within the host content and its fabrication process.
Laser modeling and simulation can be utilized to reliably establish the the best possible crystal Proportions, doping density And maybe values of extra 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-level laser get media or maybe three-stage get media, just one normally should limit the duration to a value which can be as well shorter for successful pump absorption, as reabsorption results would or else spoil the overall performance. For side pumping, further concerns arrive into Engage in; besides economical pump absorption, it can be crucial to get a suitable spatial form 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 growth optical effectiveness exceptional earth ions changeover team ions
The medium should have a large transparency (lower absorption and scattering) from the wavelength locations of pump and laser radiation, and superior optical homogeneity. To some extent, this will depend on the quality of the fabric, based on details in the fabrication method.
There may be a wide range of crystalline media, which may be grouped in accordance to big atomic constituents and crystalline buildings. Some essential groups of crystals are:
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。