5 Easy Facts About Laser Crystal Described

5 Easy Facts About Laser Crystal Described

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激光晶体是固态激光器的核心。它们是光放大发生的媒介，产生激光束。在这篇全面指南中，我们深入探讨激光晶体的世界。

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Which geometry, dopant and doping concentration of your get medium are most beneficial rely on numerous variables. The available pump supply (type of laser diode or lamp) along with the envisaged pumping arrangement are important components, but the fabric alone also has some impact. For instance, titanium–sapphire lasers ought to be pumped with superior intensities, for which the shape of the transversely cooled rod, operated with fairly small pump and laser beam diameter, is a lot more suitable than e.

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Of course, it is rather fascinating that a offered crystal high quality is manufactured continually, Though unique laser styles might have another sensitivity to materials 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。

A few laser crystal supplies have been shown where some saturable absorber material is incorporated for passive Q switching of the laser.

量子效率是发射光子数量与吸收光子数量的比率。高量子效率表明更大部分吸收能量被转化为激光光束，有助于提高激光的整体效率。

It is clear that various applications result in extremely distinct necessities on laser attain media. For that reason, a broad selection of different crystals are utilised, and generating the appropriate alternative is important for setting up lasers with optimum overall performance.

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The medium check here must have a higher transparency (low absorption and scattering) during the wavelength areas of pump and laser radiation, and superior optical homogeneity. To some extent, this relies on the quality of the fabric, determined by facts with the fabrication system.

With that concept, just one doesn't have to have an additional saturable absorber crystal, to make sure that one particular could make extra compact Q-switched laser setups with lower inside parasitic losses. Nevertheless, unwelcome Unintended effects could also come about, including getting unwelcome valence states from the involved ions or Vitality transfers.

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