Getting My Laser Crystal To Work
Getting My Laser Crystal To Work
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Diverse crystalline supplies are quite distinctive concerning their hardness and also other properties, which identify with which solutions and how easily they are often Slice and polished with top 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 considerably more than simply a way to repair the laser-Lively ions at sure positions in Place. Quite a few Homes of your host substance are very important:
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。
For quasi-3-level laser gain media as well as 3-amount acquire media, 1 generally should limit the length to a value and that is way too quick for effective pump absorption, as reabsorption effects would usually spoil the performance. For aspect pumping, extra factors appear into Engage in; In addition to efficient pump absorption, it is vital to get an acceptable spatial form on the gain profile.
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A superior injury threshold in terms of pulse fluence or peak depth is often critical for high-Electrical power amplifiers.
These ions help the crystal to amplify gentle in the laser wavelength by using stimulated emission, when Electricity is provided on the crystal by way of absorption of pump gentle (�?optical pumping
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These tables comprise only the commonest host crystals; quite a few Some others exist, which might be a lot less commonly utilized.
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A number of laser crystal elements are shown wherever some saturable absorber product is included for passive Q switching of the laser.
For several explanations, composite crystals are getting to be preferred. These Have got a spatially various chemical composition and might be manufactured with Exclusive designs.
There exists a wide range of crystalline media, that may be grouped in accordance to important atomic constituents and crystalline buildings. Some vital groups of crystals are:
With that concept, one does not need to have yet another saturable absorber crystal, so that 1 could make additional compact Q-switched laser setups with lower internal parasitic losses. Even so, undesired side effects might also happen, including obtaining unwanted valence states from the involved ions or Vitality transfers.
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Laser crystals are optical crystals �?commonly single crystals (monocrystalline optical components) �?which are made use of as acquire media for solid-point out lasers. Most often, They can be get more info doped with both trivalent scarce earth ions or transition steel 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。