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Crystals, Isolators, and Speckle Reducers

Crystals are found in laser systems as laser medium crystals or frequency conversion crystals (nonlinear crystals). Laser medium crystals, also known as gain mediums, are located inside laser cavities, and determine laser parameters such as wavelength and beam coherence. Nonlinear Crystals are used for nonlinear frequency conversion of intense light to achieve wavelength combinations of the frequencies of the input light. Optical Isolators and Speckle Reducers are used to improve performance of laser systems. Optical Isolators provide one-way transmission of laser light while blocking reflections, protecting laser systems from feedback-induced damage, and increasing laser system power stability. Speckle Reducers are used to reduce laser speckle for applications such as beam homogenization or 3D scanning.

Edmund Optics offers lithium triborate (LBO) and β-barium borate (BBO) Nonlinear Crystals for the harmonic generation of lasers commonly used, including Nd:YAG, Yb:YAG, Yb:doped and Ti:Sapphire. Free-Space Optical Isolators with typical transmission greater than 90% are available with a range of design wavelengths up to 1070nm. For laser speckle reduction, Optotune Laser Speckle Reducers feature a unique design that incorporates electro-active polymers (EAPs) to provide a uniform distribution of transmitted laser light.


  • 高隔離度,穩定性極佳
  • 最大功率下損耗很小
  • 大孔徑,擁有優異的光束質量

  • BBO 晶體用於 800nm 及 1030nm 雷射頻率轉換
  • LBO 晶體用於 1030nm 及 1064nm 雷射頻率轉換
  • 高損傷閾值,可達 10 J/cm2(在 1064nm、10ns 及 10Hz 情況下)
  • 寬廣的透明度範圍,從紫外線到紅外線

  • 非常適用於消除雷射散斑雜訊
  • 具有整合式驅動電子裝置,可隨插即用
  • 提供多種漫射角度



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