The 5-Second Trick For Nonlinear Crystal
The 5-Second Trick For Nonlinear Crystal
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Diverse crystalline materials are really diverse concerning their hardness and various Qualities, which ascertain with which techniques And just how effortlessly they are often Slash and polished with high quality.
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 crystal is far more than just a way to fix the laser-Energetic ions at selected positions in House. A number of Qualities in the host materials are essential:
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For quasi-a few-degree laser obtain media or perhaps a few-stage obtain media, 1 often really should Restrict the length to a worth that's also brief for economical pump absorption, as reabsorption results would or else spoil the performance. For facet pumping, added concerns occur into Engage in; In addition to economical pump absorption, it is necessary to obtain an appropriate spatial condition of the get profile.
g. a skinny disk. As Yet another case in point, Q-switched lasers achieve an increased population density from the upper laser degree and they are consequently additional delicate to quenching results and Electricity transfer procedures; for that reason, a decrease doping density is commonly suitable for these gadgets. For prime-electric power lasers, lower doping densities are frequently accustomed to Restrict the density of warmth generation, Despite the fact that slender-disk lasers work greatest with hugely doped crystals. Quite a few laser products and solutions don't reach the complete functionality likely mainly because these types of details haven't been properly labored out.
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Furthermore, some flexibility is missing in experiments if a single cannot Check out absorbers with distinct thickness or doping focus, one example is, without having exchanging the laser crystal alone.
These ions enable the crystal to amplify gentle in the laser wavelength by means of stimulated emission, when Power is provided to the crystal through absorption of pump light-weight (�?optical pumping
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It may be oriented for close to perpendicular incidence from the laser beam, or at Brewster's angle. It could be mounted in certain strong mount which also acts for a warmth sink. Much larger crystals usually are utilized for aspect pumping e.g. with superior-ability diode bars.
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Some laser crystal products are already shown wherever some saturable absorber materials is included for passive Q switching of the laser.
For many causes, composite crystals have become common. These Have got a spatially varying chemical composition and might be designed with Exclusive shapes.
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 distinct programs cause extremely diverse needs on laser acquire media. Due to this, a broad vary of different crystals are used, and earning the correct alternative is essential for constructing lasers with ideal 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。