Getting My Nonlinear Crystal To Work
Getting My Nonlinear Crystal To Work
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Laser modeling and simulation can be utilized to reliably ascertain the ideal crystal Proportions, doping density And perhaps 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 transition cross-sections of pump and laser transitions as well as the upper-state life time.
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。
For quasi-a few-level laser attain media or simply 3-amount get media, a single typically ought to Restrict the length to a worth that's also brief for efficient pump absorption, as reabsorption results would otherwise spoil the functionality. For aspect pumping, added criteria occur into Enjoy; besides productive pump absorption, it is crucial to obtain an appropriate spatial condition on the get profile.
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A high damage threshold in terms of pulse fluence or peak depth could be important for prime-Electrical power amplifiers.
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 on the gain medium are most beneficial rely upon several aspects. The readily available pump resource (kind of laser diode or lamp) along with the envisaged pumping arrangement are essential variables, but the fabric alone also has some influence. For instance, titanium–sapphire lasers must be pumped with significant intensities, for which the shape of the transversely cooled rod, operated with relatively little pump and laser beam diameter, is more proper than e.
It might be oriented for in close proximity to perpendicular incidence of your laser beam, or at Brewster's angle. It may be mounted in a few stable mount which also functions to be a warmth sink. Larger crystals are usually used for side pumping e.g. with higher-energy diode bars.
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These surfaces that happen to be handed because of the laser beam are Generally either oriented at Brewster's angle or have an anti-reflection coating.
Obviously, it's very attractive that a offered crystal good quality is manufactured regularly, Though unique laser layouts can have a special sensitivity to content 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 obvious that distinctive applications bring about quite different prerequisites on laser acquire media. Due to this, a broad assortment of various crystals are applied, and generating the ideal option is essential for setting up lasers with ideal functionality.
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。