5 Simple Techniques For Laser Crystal

5 Simple Techniques For Laser Crystal

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These tables have only the commonest host crystals; many Other folks exist, which can be a lot less frequently utilised.

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为了使激光器有效运作，需要有效管理运行过程中产生的热量。具有良好热导率的激光晶体可以更有效地散热，防止热透镜效应或断裂。

Also, some overall flexibility is shed in experiments if a single simply cannot Check out absorbers with different thickness or doping concentration, for instance, without having exchanging the laser crystal by itself.

Which geometry, dopant and doping focus with the get medium are most beneficial rely upon many variables. The readily available pump supply (form of laser diode or lamp) and also the envisaged pumping arrangement are important components, but the fabric by itself also has some affect. Such as, titanium–sapphire lasers need to be pumped with high intensities, for which the form of a transversely cooled rod, operated with relatively modest pump and laser beam diameter, is a lot more ideal 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。

A substantial floor high quality is not surprisingly important. Specs of surface area flatness in many cases are much better than . This allows to avoid each scattering losses and wavefront distortions which might degrade the laser's beam good quality. Moreover, scratch and dig technical specs

The most achievable doping focus can count strongly within the host product and its fabrication system.

The host crystal is much more than just a way to repair the laser-Lively ions at specific positions in Place. A number of here Qualities on the host product are crucial:

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People surfaces that happen to be passed because of the laser beam are Generally either 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。

The medium must have a higher transparency (small absorption and scattering) from the wavelength regions of pump and laser radiation, and superior optical homogeneity. To some extent, this relies on the caliber of the fabric, determined by facts in the fabrication system.

With That idea, one particular won't will need an extra saturable absorber crystal, to ensure one particular may perhaps make extra compact Q-switched laser setups with decrease inner parasitic losses. Nevertheless, unwelcome side effects may take place, such as acquiring unwanted valence states on the involved ions or Electricity transfers.

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。