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    • 190–850 nm UV-VIS Transmission Grating

    MP-YG-UV-VIS-190-850 is a broadband high-performance transmission grating covering the ultraviolet to visible wavelength range. It uses a fused silica substrate and a surface-relief etched structure, with an operating wavelength range of 190–850 nm and a grating line density of 1250 lines/mm. The product combines high diffraction efficiency, high dispersion, low polarization dependence, low stray light, and good temperature stability. Its transmission-type structure facilitates the construction of compact and flexible optical paths, making it suitable for broadband spectrometers, UV-VIS spectral analysis, and precision optical system integration.

    Product features：Ultra-broad spectral coverage；Balanced high efficiency and high dispersion；Low polarization dependence and low stray light；Excellent environmental and thermal stability

    Part Number：MP-YG-UV-VIS-190-850

    Application area：UV-VIS spectrometers | Absorption and emission spectral analysis | Scientific research and industrial spectral detection | OEM optical system integration

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    Main parameters
  • Core parameters

  • Operating Wavelength Range Grating Line Density

    190–850 nm 1250 lines/mm

  • Dimension Drawing
    • General Parameters

    Parameter

    Specification

    Operating wavelength range

    190–850 nm

    Grating line density

    1250 lines/mm

    Grating period

    Approx. 800 nm

    Angle of incidence (AOI)

    26.7°

    Diffraction efficiency

    >15%, across the full operating band

    Effective grating area

    4 × 4 mm

    Chip size

    5 × 8 mm

    Chip thickness

    0.625 mm

    Substrate material

    Fused silica

    Coating material

    High-power dielectric AR (anti-reflective) coating material

    Coefficient of Thermal Expansion (CTE)

    0.5 ppm/K

    Maximum operating temperature

    >500 ℃

     

    Schematic Diagram

    3.1.png

     

    Diffraction Efficiency Curve

    3.2.png


    Optional Configurations

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  • Product title: 190–850 nm UV-VIS Transmission Grating
  • Product link: https://www.idealphotonics.com/product/detail/1931.html

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      • Other Requirements:

    • 10+ 10 Years of Experience
    • 50 50 + Countries Bussiness
    • 10000 10k + Diodes sold worldwide
    • 30 30+ Invention patent
    • 10 10+ Advanced Optical Solutions

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