Laser Crystal Options
Laser Crystal Options
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The commonest laser-Lively uncommon earth ions and host media along with some normal emission wavelengths are shown in the subsequent desk:
These ions permit the crystal to amplify light-weight in the laser wavelength through stimulated emission, when Vitality is equipped on the crystal through absorption of pump light-weight (�?optical pumping
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Which geometry, dopant and doping concentration on the obtain medium are most beneficial rely upon various elements. The offered pump supply (sort of laser diode or lamp) along with the envisaged pumping arrangement are essential components, but the fabric itself also has some impact. One example is, titanium–sapphire lasers must be pumped with substantial intensities, for which the form of the transversely cooled rod, operated with relatively tiny pump and laser beam diameter, is more proper 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。
The utmost possible doping focus can rely strongly within the host materials and its fabrication strategy.
The host crystal is much more than just a method to fix the laser-Energetic ions at selected positions in Area. A number of Houses from the host materials are very important:
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 different programs produce really distinctive specifications on laser achieve media. Due to this, a wide range of various crystals are utilized, and producing the right option is essential for setting up lasers with optimum effectiveness.
材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal growth optical more info overall performance scarce earth ions transition group ions
The medium must have a substantial transparency (minimal absorption and scattering) within the wavelength regions of pump and laser radiation, and excellent optical homogeneity. To some extent, this depends upon the quality of the material, based on details from the fabrication course of action.
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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。