The best Side of Laser Crystal
The best Side of Laser Crystal
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Laser modeling and simulation can be employed to reliably establish the ideal crystal Proportions, doping density And perhaps values of extra parameters.
The medium should have a substantial transparency (small absorption and scattering) inside the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this depends upon the caliber of the fabric, based on details in the fabrication approach.
The host crystal is much more than just a means to fix the laser-active ions at specific positions in Place. A variety of Attributes of the host material are crucial:
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-3-degree laser acquire media or even a few-degree acquire media, one normally ought to limit the duration to a price which can be as well shorter for successful pump absorption, as reabsorption results would otherwise spoil the general performance. For aspect pumping, additional considerations appear into Perform; besides successful pump absorption, it's important to acquire a suitable spatial form from the get profile.
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Furthermore, some flexibility is missing in experiments if just one can not Check out absorbers with diverse thickness or doping focus, by way of example, with out exchanging the laser crystal alone.
These ions permit the crystal to amplify light-weight on the laser wavelength by using stimulated emission, when Power is provided to the crystal through absorption of pump light-weight (�?optical pumping
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These tables comprise only the commonest host crystals; lots of Many others exist, which happen to be fewer commonly applied.
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A number of laser crystal materials are demonstrated the place some saturable absorber product is integrated for passive Q switching of the laser.
Of course, it is extremely fascinating that a specified crystal high quality is developed continuously, Even though distinct laser types might have another sensitivity to material 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 distinctive applications cause very diverse requirements on laser obtain media. Due to this, a wide assortment of various crystals are applied, and producing the right option is essential for constructing lasers with optimum efficiency.
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。