Indicators on Laser Crystal You Should Know
Indicators on Laser Crystal You Should Know
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Laser modeling and simulation may be used to reliably figure out the ideal crystal dimensions, doping density And maybe values of supplemental parameters.
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 way more than simply a method to repair the laser-active ions at certain positions in space. Numerous Qualities from the host content are essential:
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。
The maximum attainable doping focus can depend strongly to the host product and its fabrication process.
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A large harm threshold in terms of pulse fluence or peak depth might be vital for high-Strength amplifiers.
These ions enable the crystal to amplify mild on the laser wavelength by means of stimulated emission, when energy is provided to the crystal via absorption of pump light-weight (�?optical pumping
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These tables have only the most common host crystals; lots of others exist, that are less frequently utilized.
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People surfaces which might be passed by the laser beam are Commonly either oriented at Brewster's angle or have an anti-reflection coating.
Needless to say, it is vitally fascinating that a specified crystal high quality is developed continuously, Even though diverse laser models might have a different sensitivity to materials Nonlinear Crystal parameters.
There exists a variety of crystalline media, that may be grouped in accordance to important atomic constituents and crystalline structures. Some essential groups of crystals are:
With That idea, one doesn't require an extra saturable absorber crystal, to ensure one particular may well make additional compact Q-switched laser setups with lessen interior parasitic losses. Having said that, unwelcome Unwanted side effects might also happen, like obtaining unwelcome valence states with the involved ions or Strength transfers.
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Laser crystals are optical crystals �?commonly single crystals (monocrystalline optical resources) �?which are employed as get media for strong-condition lasers. Typically, they are doped with both trivalent exceptional earth ions or changeover metal ions.
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。