The 5-Second Trick For Laser Crystal
The 5-Second Trick For Laser Crystal
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Laser modeling and simulation can be utilized to reliably establish the ideal crystal dimensions, doping density and possibly values of added parameters.
The medium must have a higher transparency (lower absorption and scattering) inside the wavelength areas of pump and laser radiation, and fantastic optical homogeneity. To some extent, this depends upon the standard of the material, based on specifics of your fabrication procedure.
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions and likewise the upper-condition lifetime.
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The most probable doping concentration can count strongly to the host content and its fabrication system.
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A superior injury threshold with regard to pulse fluence or peak depth might be important for high-Vitality amplifiers.
These ions empower the crystal to amplify light-weight for the laser wavelength by using stimulated emission, when Vitality is provided on the crystal by using absorption of pump light-weight (�?optical pumping
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These tables comprise only the most common host crystals; numerous Other folks exist, which happen to be less routinely made use of.
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Individuals surfaces which are passed from the laser beam are normally both oriented at Brewster's angle or have an anti-reflection coating.
Certainly, it's very attractive that a specified crystal excellent is developed persistently, Despite the fact that distinctive laser models might have a unique sensitivity to content parameters.
There may be an array of crystalline media, that may be grouped in accordance to special atomic constituents and crystalline constructions. Some crucial teams of crystals are:
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Laser crystals are optical crystals �?generally one crystals (monocrystalline optical materials) �?which are utilized as achieve media for reliable-condition lasers. Generally, they are doped with possibly trivalent scarce earth ions or transition steel 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。