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MPF ProductsModel YAG -Ultra High Vacuum Viewports

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MPF Products is proud to introduce the latest innovation in our hermetically sealed viewport lineup: YAG Ultra High Vacuum Viewports. Building on over 30 years of excellence in vacuum component manufacturing, this new offering reflects our continued commitment to problem-solving and performance in high-demand environments.

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YAG is a synthetic crystal with outstanding optical and mechanical properties that make it ideal for ultra high vacuum (UHV) applications across a range of cutting-edge industries:

  • Exceptional Transmission Range: Clear, undoped YAG offers broad-spectrum transparency from UV to IR (250nm to 4200nm).
  • Durable and Non-Birefringent: More durable than fused silica and optically superior to sapphire due to its non-birefringent nature.
  • High Performance Characteristics:
    • Transmission >80% across spectrum
    • Purity >99%
    • Index of Refraction: 1.82
    • Low internal stress, homogeneous, and non-toxic
    • High bulk damage threshold
    • Can be superpolished to <1 Avg RMS
    • AR coatings available
  • High-energy laser systems
  • LEDs and white light optics
  • Spectroscopy and range-finding lasers
  • Medical devices (ophthalmology, dermatology)
  • Materials processing
  • Cutting-edge physics research