Facts About Laser Crystal Revealed

Facts About Laser Crystal Revealed

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Which geometry, dopant and doping concentration from the acquire medium are most advantageous depend upon many components. The out there pump resource (style of laser diode or lamp) as well as envisaged pumping arrangement are very important elements, but the material alone also has some affect. By way of example, titanium–sapphire lasers must be pumped with higher intensities, for which the shape of a transversely cooled rod, operated with somewhat smaller pump and laser beam diameter, is much more appropriate than e.

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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。

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 number of laser crystal components are already demonstrated in which some saturable absorber product is incorporated for passive Q switching of the laser.

热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。

It is clear that different programs bring about incredibly unique prerequisites on laser acquire media. For that reason, a broad assortment of different crystals are applied, and earning the right option is essential for constructing lasers with the best possible performance.

材料 激光晶体 晶体生长 光学性能 稀土离子 过渡族离子 materials laser crystal crystal development optical functionality scarce earth ions changeover team ions 

The medium ought to have a substantial transparency (reduced absorption and scattering) in the wavelength areas of pump and laser radiation, and good optical homogeneity. To some extent, this relies on the quality of the fabric, based on aspects on the fabrication process.

With that concept, a single will not need to have an extra saturable absorber crystal, in order that a single might make much more compact Q-switched laser setups with lower interior parasitic losses. Nevertheless, unwanted Unwanted side effects may also manifest, for example obtaining undesired valence states from the associated ions or Vitality transfers.

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