The best Side of Laser Crystal
The best Side of Laser Crystal
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The most common laser-active exceptional earth ions and host media together with some regular emission wavelengths are demonstrated in the next desk:
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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 rely upon many variables. The readily available pump supply (sort of laser diode or lamp) along with the envisaged pumping arrangement are essential elements, but the fabric by itself also has some influence. Such as, titanium–sapphire lasers should be pumped with large intensities, for which the shape of a transversely cooled rod, operated with relatively smaller pump and laser beam diameter, is much more suitable than e.
晶体生长 晶体加工 镀膜能�?品质管理 研发能力 新闻中心
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。
亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。
A couple of laser crystal supplies have been demonstrated exactly where some saturable absorber product is included for passive Q switching of a laser.
量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。
It is obvious that diverse apps bring on extremely diverse necessities on laser achieve media. This is why, a wide selection of various crystals are utilised, and generating the best decision is essential for constructing lasers with the best possible effectiveness.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 resources laser crystal crystal advancement optical efficiency unusual earth ions changeover team ions
The medium should have a superior transparency (lower absorption and scattering) within the wavelength locations of pump and laser radiation, and very good optical homogeneity. To some extent, this depends upon the standard of the fabric, determined by facts in the fabrication system.
With That idea, one particular isn't going to need to have a further saturable absorber crystal, to ensure one particular may perhaps make extra compact Q-switched laser setups with decreased more info inside parasitic losses. Even so, undesired Negative effects may additionally happen, such as acquiring unwanted valence states with the concerned ions or Electrical power transfers.
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。