About Laser Crystal
About Laser Crystal
Blog Article
The most typical laser-active rare earth ions and host media together with some common emission wavelengths are shown in the subsequent desk:
These ions empower the crystal to amplify light in the laser wavelength by means of stimulated emission, when Vitality is supplied for the crystal via absorption of pump light (�?optical pumping
Laser crystals are optical crystals �?commonly solitary crystals (monocrystalline optical resources) �?that are applied as get media for reliable-point out lasers. Usually, They can be doped with either trivalent rare earth ions or transition metallic ions.
激光晶体中活性离子的作用是什么？ 活性离子在激光晶体中负责通过受激发射产生激光光线。
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：
GWU offers all typical laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) using a wide variety of specs. In addition to the perfectly-set up supplies, impressive crystals with exceptional Attributes like Yb:CALGO can open new horizons for demanding laser purposes. It does not matter regardless of whether person pieces for R & D reasons are demanded or Price-efficient click here numbers in tiny, medium or substantial batches with in-time delivery for the production line are required: GWU’s dedicated service really helps to discover the greatest core factors on your application.
活性离子在激光晶体内发生的能量跃迁对激光操作至关重要。大多数激光操作都是通过四能级系统原理进行的，确保连续操作并防止浪费的非辐射衰变。
The most attainable doping focus can count strongly within the host materials and its fabrication system.
The host crystal is far more than just a way to repair the laser-active ions at selected positions in Room. Quite a few Houses with the host product are very important:
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。
Individuals surfaces which might be passed with the laser beam are Commonly both oriented at Brewster's angle or have an anti-reflection coating.
主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。
In 2017, we designed the entire world’s greatest Ti∶sapphire crystal (Φ235 mm), which supported The ten PW laser output of Shanghai Superintense Ultrafast Laser Facility. The development of Yb and Tm doped GdScO3 laser crystals with extremely broad emission spectra drives the event of laser diode pumped ultrafast reliable-state lasers. With the rise in pulse Vitality, peak energy, and repetition fee of stable-state lasers, laser crystals will develop in direction of bigger measurements, higher crystal good quality, and controllable important effectiveness.
There exists a wide array of crystalline media, which may be grouped according to special atomic constituents and crystalline buildings. Some crucial teams of crystals are:
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。