Fascination About Laser Crystal
Fascination About Laser Crystal
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The commonest laser-active rare earth ions and host media together with some common emission wavelengths are revealed in the following table:
激光晶体的极化性能可能会影响输出激光束的质量和特性。有些激光晶体产生线性偏振光，这对某些应用可能有益。
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。
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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 gives all common laser crystals (Nd:YVO4, Nd:YAG, Yb:YAG and many others.) using a wide number of specs. Other than the nicely-proven products, modern crystals with superb properties like Yb:CALGO can open up new horizons for demanding laser purposes. No matter no matter whether individual items for R & D needs are necessary or Expense-economical quantities in modest, medium or big batches with in-time supply to the manufacturing line are needed: GWU’s committed services really helps to discover the ideal core parts for the software.
Of course, it is vitally attractive that a offered crystal top quality is manufactured regularly, Despite the fact that unique laser layouts might have a different sensitivity to product parameters.
The utmost achievable doping concentration can depend strongly about the host substance and its fabrication approach.
Several laser crystal components are already shown where by some saturable absorber content is incorporated for passive Q switching of a 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。
All those surfaces that are handed by the laser beam are Usually either oriented at Brewster's angle or have an anti-reflection coating.
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For numerous causes, composite crystals have gotten well-known. These Use a spatially varying chemical composition and might be made with Particular styles.
With that concept, 1 does not require an additional saturable absorber crystal, so that just one may perhaps make extra compact Q-switched laser setups with lower internal parasitic losses. Nonetheless, unwanted Unwanted effects may happen, such as acquiring undesired valence states from the included ions or Electricity transfers.
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