Nonlinear Crystal No Further a Mystery
Nonlinear Crystal No Further a Mystery
Blog Article
Laser modeling and simulation can be utilized to reliably identify the ideal crystal Proportions, doping density And perhaps values of additional 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 a lot more than just a way to repair the laser-Lively ions at sure positions in space. Numerous Homes on the host substance are very important:
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For quasi-a few-stage laser achieve media and even three-amount achieve media, a single frequently needs to Restrict the size to a worth and that is also brief for efficient pump absorption, as reabsorption outcomes would in any other case spoil the overall performance. For facet pumping, further considerations appear into play; Other than productive pump absorption, it's important to acquire a suitable spatial form of the achieve profile.
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GWU-Lasertechnik has much more than 30 decades of working experience in distributing laser crystals. Select GWU to take pleasure in our broad expertise and in-field knowledge!
A high destruction threshold concerning pulse fluence or peak depth might be vital for top-energy 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 concentration from the achieve medium are most useful rely upon several factors. The readily available pump supply (kind of laser diode or lamp) and also the envisaged pumping arrangement are essential elements, but the material by itself also has some influence. As an example, titanium–sapphire more info lasers should be pumped with significant intensities, for which the shape of a transversely cooled rod, operated with reasonably small pump and laser beam diameter, is more proper than e.
It may be oriented for around perpendicular incidence of the laser beam, or at Brewster's angle. It can be mounted in a few stable mount which also acts as being a warmth sink. More substantial crystals tend to be used for facet pumping e.g. with significant-power diode bars.
The commonest laser-active uncommon earth ions and host media together with some typical emission wavelengths are revealed in the next table:
Several laser crystal products are already shown in which some saturable absorber product is incorporated for passive Q switching of the laser.
For various motives, composite crystals are becoming well-known. These Have got a spatially varying chemical composition and may be designed with special designs.
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, one particular isn't going to will need yet another saturable absorber crystal, so that one may make much more compact Q-switched laser setups with reduce internal parasitic losses. Nevertheless, unwanted Negative effects might also happen, like obtaining unwelcome valence states with the included ions or Vitality transfers.
GWU features all prevalent laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and so forth.) using a broad a number of requirements. In addition to the nicely-founded resources, progressive crystals with excellent Attributes like Yb:CALGO can open new horizons for demanding laser applications. It does not matter no matter whether person parts for R & D reasons are required or Value-effective quantities in little, medium or significant batches with in-time shipping and delivery with the manufacturing line are desired: GWU’s devoted assistance helps to discover the best core parts for the software.
It is obvious that unique purposes result in really unique prerequisites on laser acquire media. For that reason, a broad selection of various crystals are made use of, and making the proper selection is essential for setting up lasers with ideal effectiveness.
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。