What Does Laser Crystal Mean?
What Does Laser Crystal Mean?
Blog Article
Laser modeling and simulation can be utilized to reliably identify the ideal crystal dimensions, doping density And perhaps values of extra 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 simply a way to repair the laser-Lively ions at certain positions in space. Several Homes with the host product are crucial:
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For quasi-three-level laser get media or maybe 3-level attain media, just one typically has to limit the duration to a value which is far too limited for effective pump absorption, as reabsorption consequences would normally spoil the efficiency. For side pumping, more factors occur into Engage in; besides successful pump absorption, it is vital to acquire an appropriate spatial condition in the attain profile.
g. a skinny disk. As another illustration, Q-switched lasers reach an increased inhabitants density inside the higher laser amount and therefore are for that reason more sensitive to quenching outcomes and Electrical power transfer processes; consequently, a decrease doping density is commonly appropriate for these gadgets. For prime-ability lasers, lower doping densities are frequently accustomed to Restrict the density of warmth technology, Even though skinny-disk lasers operate finest with really doped crystals. Many laser items tend not to get to the entire general performance opportunity simply because this kind of particulars have not been correctly worked out.
GWU-Lasertechnik has a lot more than 30 years of working experience in distributing laser crystals. Pick out GWU to gain from our broad knowledge As well as in-area experience!
A substantial harm threshold with regard to pulse fluence or peak intensity is often essential for prime-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 with the get medium are most advantageous rely upon quite a few aspects. The readily available pump resource (kind of laser diode or lamp) along with the envisaged pumping arrangement are crucial factors, but the material itself also has some affect. One example is, titanium–sapphire lasers ought to be pumped with higher intensities, for which the form of a transversely cooled rod, operated with reasonably smaller pump and laser beam diameter, is a lot more correct than e.
It may be oriented for close to perpendicular incidence in the laser beam, or at Brewster's angle. It may be mounted in a few reliable mount which also acts being a heat sink. More substantial crystals are frequently employed for aspect pumping e.g. with substantial-electricity diode bars.
The most common laser-active scarce earth ions and host media along with some normal emission wavelengths are proven in the following desk:
All those surfaces that happen to be handed with the laser beam are normally both oriented at Brewster's angle or have an anti-reflection coating.
Needless to say, it's very desirable that a provided crystal excellent is produced constantly, Despite the fact that distinctive laser styles may have a distinct sensitivity to substance 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。
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GWU offers all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG Laser Crystal etcetera.) that has a broad number of technical specs. Moreover the properly-set up materials, impressive crystals with fantastic Qualities like Yb:CALGO can open up new horizons for demanding laser programs. Regardless of whether particular person pieces for R & D applications are necessary or cost-successful numbers in modest, medium or big batches with in-time supply for your generation line are necessary: GWU’s focused services really helps to find the ideal Main components in your software.
It is apparent that distinct apps bring on very various demands on laser get media. For this reason, a broad assortment of different crystals are utilised, and building the ideal option is essential for setting up lasers with ideal functionality.
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。