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Category
    Groove Density (grooves/mm)
    Wavelength Range (nm)
    Dimensions (mm)
    Coating
    Construction
    Design Wavelength DWL (nm)
    Substrate
    Type

    Diffraction Gratings

    Diffraction Gratings are optical components used to separate light into its component wavelengths. Diffraction Gratings are used in spectroscopy, or for integration into spectrophotometers or monochromators. Diffraction Gratings consist of a series of closely packed grooves that have been engraved or etched into the Grating’s surface. Diffraction Gratings can be either transmissive or reflective. As light transmits through or reflects off a Grating, the grooves cause the light to diffract, dispersing the light into its component wavelengths. Diffraction Gratings should be handled with care due to soft coatings and should not be cleaned without consultation.

    Edmund Optics offers a wide range of transmission or reflection Gratings for the Ultraviolet (UV), Visible, or Infrared (IR) regions. When manufactured, a master Grating is used to create replicas of itself. The manufacturing process determines the type of Grating. A Ruled Grating consists of a series of grooves that have been ruled into the surface of a master grating utilizing a fine diamond tool. Ruled Gratings are used in applications that require high efficiency. Holographic Gratings are manufactured using the interference fringe field of two laser beams. Holographic Gratings are ideal for applications that require minimal stray light.

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    高效能反射光柵
    • λ/4 波反射波前
    • 卓越的尺寸容差
    • 溝槽間距容差 <0.05%
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    偏振光柵
    • 依據偏振狀態,以選擇性的方式繞射光線
    • >96% 的效率,進入零階的洩漏率 <4%
    • 厚度0.45mm 穿透光柵
    • 提供多種繞射角度

    全像繞射光柵薄膜
    • 適合光譜儀使用
    • 兩種溝槽間距選項
    • 供應 6 吋 x 12 吋片狀及 200 呎捲狀

    手動Mini-Chrom單色儀
    • 提供6種波長範圍選擇
    • 緊湊的便攜尺寸
    • 提供2個近紅外版本

    適用於近紅外區域的鍍金光柵
    • 較鋁光柵的效率高15 - 20% (0.7 - 1.1μm)

    Reflective Blazed Holographic Diffraction Gratings
    • Less Stray Light than Ruled Diffraction Gratings
    • Improved Diffraction Efficiency Over Holographic Gratings
    • Broad Spectral Range

    全像光柵
    • Groove Density up to 3600 Grooves per mm
    • Bare Aluminum Coating
    • Sinusoidal Grating Profile

    直紋繞射光柵
    • Up to 80% Efficiency
    • Bare Aluminum Coating
    • Blaze Wavelength Options from 250 to 1600nm

    穿透光柵分光鏡
    • Ideal for Laser Beam Division
    • Designed for 0 Degree AOI
    • Low Groove Density for Maximized Beam Separation

    適用於可見光區域的穿透光柵
    • 偏振敏感性低
    • 非常適用於直列式組態

    紫外線穿透光柵
    • 提供多種繞射角度
    • 紫外線級熔融石英基材
    • 非常適用於固定光柵應用

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