The best Side of Laser Crystal
The best Side of Laser Crystal
Blog Article
Laser modeling and simulation can be employed to reliably decide the optimum crystal Proportions, doping density and possibly values of more 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 far more than just a way to repair the laser-Energetic ions at selected positions in House. A number of properties from the host materials are essential:
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For quasi-three-amount laser achieve media and even three-amount obtain media, one often really should Restrict the length to a worth and that is way too quick for efficient pump absorption, as reabsorption consequences would normally spoil the functionality. For side pumping, supplemental things to consider arrive into Participate in; Moreover effective pump absorption, it is important to acquire a suitable spatial condition in the get profile.
g. a skinny disk. As An additional illustration, Q-switched lasers reach an increased inhabitants density inside the higher laser amount and therefore are thus more sensitive to quenching outcomes and Electrical power transfer processes; for that reason, a lessen doping density is often appropriate for these products. For top-power lasers, reduced doping densities in many cases are utilized to limit the density of heat generation, Despite the fact that slim-disk lasers do the job very best with very doped crystals. A lot of laser solutions never get to the full overall performance prospective due to the fact these facts haven't been adequately labored out.
GWU-Lasertechnik has in excess of 30 many years of experience in distributing laser crystals. Pick out GWU to take pleasure in our huge information and in-subject expertise!
A significant injury threshold concerning pulse fluence or peak intensity is usually crucial for top-Vitality amplifiers.
作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：
Which geometry, dopant and doping focus of your obtain medium are most useful depend on numerous components. The available pump source (form of laser diode or lamp) and the envisaged pumping arrangement are important aspects, but the fabric alone also has some impact. For instance, titanium–sapphire lasers need to be pumped with substantial intensities, for which the shape of the transversely cooled rod, operated with rather small pump and laser beam diameter, is more proper than e.
It might be oriented for in close proximity to perpendicular incidence with the laser beam, or at Brewster's angle. It might be preset in certain good mount which also functions to be a warmth sink. Larger crystals are usually used for side pumping e.g. with high-power diode bars.
The commonest laser-Energetic uncommon earth get more info ions and host media together with some usual emission wavelengths are demonstrated in the next table:
Those people surfaces that happen to be handed with the laser beam are Usually both oriented at Brewster's angle or have an anti-reflection coating.
Obviously, it is rather attractive that a given crystal top quality is generated consistently, Though diverse laser models might have a different sensitivity to materials parameters.
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。
With that concept, a single will not need to have a further saturable absorber crystal, making sure that just one may perhaps make extra compact Q-switched laser setups with lessen interior parasitic losses. Having said that, unwelcome side effects may also manifest, which include getting undesirable valence states in the involved ions or energy transfers.
GWU gives all typical laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG etc.) which has a broad number of specifications. Moreover the properly-set up products, impressive crystals with exceptional properties like Yb:CALGO can open up new horizons for demanding laser programs. No matter no matter if personal parts for R & D needs are required or Charge-effective quantities in little, medium or substantial batches with in-time shipping and delivery for that manufacturing line are wanted: GWU’s dedicated assistance helps to discover the most effective core parts for your application.
It is apparent that diverse purposes lead to extremely diverse prerequisites on laser gain media. Because of this, a broad selection of various crystals are applied, and earning the right selection is essential for setting up lasers with ideal performance.
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。