Laser Crystal Can Be Fun For Anyone
Laser Crystal Can Be Fun For Anyone
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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。
Which geometry, dopant and doping focus of your attain medium are most useful count on quite a few things. The out there pump resource (form of laser diode or lamp) plus the envisaged pumping arrangement are very important aspects, but the material alone also has some influence. For example, titanium–sapphire lasers ought to be pumped with significant intensities, for which the form of the transversely cooled rod, operated with fairly modest pump and laser beam diameter, is more ideal than e.
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活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
The most feasible doping focus can depend strongly about the host material and its fabrication approach.
Laser modeling and simulation can be employed to reliably identify the ideal crystal Proportions, doping density And perhaps values of added parameters.
热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。
It is obvious that different apps lead to really distinctive needs on laser get media. Because of this, a wide vary of various crystals are utilized, and creating the best alternative is essential for constructing lasers read more with optimum efficiency.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 materials laser crystal crystal expansion optical efficiency rare earth ions transition group ions
In 2017, we designed the world’s major Ti∶sapphire crystal (Φ235 mm), which supported the 10 PW laser output of Shanghai Superintense Ultrafast Laser Facility. The event of Yb and Tm doped GdScO3 laser crystals with very large emission spectra drives the development of laser diode pumped ultrafast stable-point out lasers. With the increase in pulse Electricity, peak energy, and repetition fee of solid-point out lasers, laser crystals will create toward larger sizes, increased crystal high-quality, and controllable important functionality.
There is certainly a variety of crystalline media, which can be grouped according to special atomic constituents and crystalline structures. Some crucial groups of crystals are:
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。