Facts About Laser Crystal Revealed

Facts About Laser Crystal Revealed

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These tables have only the commonest host crystals; many Other folks exist, that are considerably less frequently employed.

These ions empower the crystal to amplify mild in the laser wavelength by using stimulated emission, when Electricity is supplied to the crystal by means of absorption of pump mild (�?optical pumping

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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。

Which geometry, dopant and doping concentration with the attain medium are most useful rely upon quite a few things. The out there pump resource (style of laser diode or lamp) and also the envisaged pumping arrangement are very important factors, but the material alone also has some impact. One example is, titanium–sapphire lasers must be pumped with large intensities, for which the form of the transversely cooled rod, operated with reasonably little pump and laser beam diameter, is a lot more proper than e.

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。

Certainly, it is vitally attractive that a supplied crystal excellent is developed persistently, Even though different laser designs might have a distinct sensitivity to material parameters.

亚稳态寿命也起着重要作用。较长的寿命允许更多的储能和实现粒子数反转的更高潜力，这对激光动作至关重要。

Laser modeling and simulation can be utilized to reliably identify the ideal crystal Proportions, doping density And perhaps values of additional parameters.

激光晶体的核心由固态晶体材料组成，通常掺杂了某些能够通过受激发射产生光放大的离子。这些离子的性质对激光晶体的性能起决定作用。

For quasi-3-level laser achieve media and even three-amount achieve media, 1 normally has to Restrict the size to a worth that's as well small for effective pump absorption, as reabsorption consequences would in any other case spoil the performance. For side pumping, added considerations come into Participate in; Aside from economical pump absorption, it is vital to get an acceptable spatial condition of the acquire profile.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 supplies laser crystal crystal progress optical general performance uncommon earth ions transition group ions 

For various reasons, composite crystals are getting to be preferred. These Have a very spatially varying chemical composition and will be produced with Distinctive designs.

It could be oriented for near perpendicular incidence from the laser beam, or at Laser Crystal Brewster's angle. It may be mounted in some sound mount which also acts as being a heat sink. More substantial crystals tend to be useful for facet pumping e.g. with significant-electric power diode bars.

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。