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Uncoated Optical Windows/Substrates

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      Uncoated OpticalWindows/Substrates
      Description
      Various dimensions substrates made from BK7, UVFS, IRFS, CaF2, ZnSe,Sapphire, MgF2.Standard substrates are laser grade polished on both surfaces. Thesesubstrates are ideal for beamsplitters, windows, partial reflectingmirrors etc.Laser components require highly polished substrates as well as highperformance coatings. Scattering, damage of laser light can occurif the substrate is made of inferior material or if it is inadequatelypolished. For UV, very high power applications and ultrashort pulseswe recommend using UVFS substrates. BK7 substrates are economicalsolution for laser components used in many applications in laboratoryas well as in devices and instruments.Altechna provides various dielectric and metallic coatings on opticalsubstrates.
      Standard specifications
      Material BK7, UVFS, IRFS, CaF2, ZnSe, Sapphire, MgF2
      Diameter/dimensionstolerance +0/-0.1 mm
      Thickness tolerance >±0.1 mm
      Clear aperture >90 %
      Surface quality 20-10 S-D (BK7, UVFS)
      40-20 S-D (ZnSe, Sapphire, CaF2, MgF2)
      Surface flatness <λ/10 - λ/8@632.8 nm (BK7, UVFS)
      <λ/4 - λ/2@632.8 nm(ZnSe, Sapphire, CaF2, MgF2)
      Protective chamfers <0.25 mm x 45°
      Coatings Call us
      Features
      • Ideal for beamsplitters, windows, partial reflecting mirrors etc• UVFS substrates are recommended for the UV and very high energyapplications• Windows up to 500 mm diameter are available
      Miscellaneous
      • Custom design production is available• Various dielectric coatings can be deposited on these substrates• Check the stock list items for fastest delivery• Mass production capabilities: 10’000 pieces per month
      Catalog Items
      Product ID Parallelism Error Dimensions, mm Material
      1-OS-1-0127-3 <1 arcmin 12.7x3 BK7
      1-OS-1-0125-5 12.5x5
      1-OS-1-0127-6 12.7x6
      1-OS-1-2040-3 <20 arcsec 20x40x3
      1-OS-1-0254-3 <1 arcmin 25.4x3
      1-OS-1-1254-5 1° ±5 arcmin 25.4x5
      1-OS-1-3254-5 3° ±5 arcmin
      1-OS-1-0254-6 <1 arcmin 25.4x6
      1-OS-1-0300-6 30x6
      1-OS-1-0381-5 38.1x5
      1-OS-1-0508-8 50.8x8
      1-OS-1-0762-8 76.2x8
      1-OS-2-0127-2 12.7x2 UVFS
      1-OS-2-0127-3 12.7x3
      1-OS-2-0127-5 12.7x5
      1-OS-2-1127-5 30 arcmin ±5 arcmin
      1-OS-2-0127-6 <1 arcmin 12.7x6
      1-OS-2-2040-3 <20 arcsec 20x40x3
      1-OS-2-2040-5 20x40x5
      1-OS-2-2060-5 1° ±5 arcmin 20x60x5
      1-OS-2-2060-2 <20 arcsec 20x60x2
      1-OS-2-0254-3 <1 arcmin 25.4x3
      1-OS-2-0254-5 25.4x5
      1-OS-2-1254-3 1° ±5 arcmin 25.4x3
      1-OS-2-3254-3 3° ±5 arcmin
      1-OS-2-0300-5 <1 arcmin 30x5
      1-OS-2-3030-5 30x30x5
      1-OS-2-0381-5 38.1x5
      1-OS-2-0508-6 50.8x6
      1-OS-2-0762-6 76.2x6
      1-OS-3-0127-6 12.7x6 IRFS
      1-OS-3-0254-3 25.4x3
      1-OS-4-0254-3 ZnSe
      1-OS-5-0254-3 CaF2
      1-OS-6-0254-3 MgF2
      1-OS-7-0254-3 Sapphire
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      * 상품사이즈 치수는 재는 방법과 위치에 따라 1~3cm 오차가 있을 수 있습니다.

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