A Simple Key For Laser Crystal Unveiled
A Simple Key For Laser Crystal Unveiled
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Laser modeling and simulation can be employed to reliably decide the optimum crystal Proportions, doping density and possibly values of more parameters.
人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。
The host medium influences strongly the wavelength, bandwidth and changeover cross-sections of pump and laser transitions in addition to the higher-point out life span.
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For quasi-3-level laser attain media or maybe 3-level attain media, just one typically has to limit the duration to a value which is much too limited for effective pump absorption, as reabsorption consequences would normally spoil the efficiency. For side pumping, more factors occur into Engage in; In addition to economical pump absorption, it is vital to acquire an appropriate spatial condition in the attain profile.
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Furthermore, some flexibility is lost in experiments if one cannot Check out absorbers with various thickness or doping concentration, as an example, devoid of exchanging the laser crystal alone.
作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：
Which geometry, dopant and doping concentration from the obtain medium are most useful count on quite a few factors. The accessible pump resource (variety of laser diode or lamp) and the envisaged pumping arrangement are crucial elements, but the fabric by itself also has some affect. As an example, titanium–sapphire lasers need to be pumped with high intensities, for which check here the shape of a transversely cooled rod, operated with comparatively modest pump and laser beam diameter, is a lot more suitable than e.
These tables consist of only the commonest host crystals; numerous Other folks exist, which are a lot less often utilized.
The most typical laser-Lively unusual earth ions and host media along with some common emission wavelengths are demonstrated in the following desk:
Some laser crystal products have been shown the place some saturable absorber content is integrated for passive Q switching of the laser.
Obviously, it's very attractive that a presented crystal high quality is produced continually, Though distinctive laser types might have a distinct sensitivity to product parameters.
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。
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It is clear that different apps lead to quite unique requirements on laser obtain media. For this reason, a broad selection of various crystals are used, and producing the ideal option is essential for constructing lasers with optimum general performance.
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。