Considerations To Know About Laser Crystal
Considerations To Know About Laser Crystal
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The most typical laser-Lively rare earth ions and host media together with some usual emission wavelengths are revealed 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。
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Which geometry, dopant and doping focus with the acquire medium are most beneficial rely upon various things. The offered pump supply (style of laser diode or lamp) as well as envisaged pumping arrangement are very important elements, but the material by itself also has some impact. One example is, titanium–sapphire lasers have to be pumped with higher intensities, for which the shape of a transversely cooled rod, operated with rather small pump and laser beam diameter, is more correct than e.
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。
Obviously, it is very fascinating that a provided crystal quality is manufactured continually, Though distinctive laser types might have a distinct sensitivity to substance parameters.
探索激光晶体的领域，可以让我们看到科学和技术相结合的奇迹，为我们带来了令人难以置信的进步。这些激光晶体，每一种都在组成和特性上独具匠心，是推动现代世界众多应用的动力。
A number of laser crystal materials are actually demonstrated wherever some saturable absorber material is incorporated for passive Q switching of the laser.
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All those surfaces which might be passed read more via the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
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 advancement optical overall performance scarce earth ions transition group ions
The medium must have a higher transparency (very low absorption and scattering) from the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this will depend on the quality of the fabric, determined by details with the fabrication procedure.
With that concept, one particular won't need to have a further saturable absorber crystal, so that one may possibly make extra compact Q-switched laser setups with reduce internal parasitic losses. On the other hand, undesired Negative effects may occur, like obtaining unwanted valence states from the concerned ions or Electrical power transfers.
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