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  • a large stock supplier of optical components
  • a large stock supplier of optical components
EtaOpticsEtaOptics
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    • Home
    • Optical Windows
      • Optical Glass Sheets
        • B270 Optical Glass Sheets
        • Colored Optical Glass Sheets
        • K9 Optical Glass Sheets
        • NIR Quartz Sheets
        • Sample Holder
        • Ultrathin Quartz Sheets
        • Uv-Vis Quartz Sheets
        • VIS Quartz Sheets
      • Visible Windows
        • λ/4 Visible Windows
        • λ/10 Visible Windows
      • UV and IR Windows
        • Standard Precision Sapphire Windows
        • High Precision Sapphire Windows
        • Standard Precision UV Fused Silica Windows
          • Uncoated
        • High Precision UV Fused Silica Windows
          • Uncoated
        • Barium Fluoride (BaF2) Windows
        • Calcium Fluoride (CaF2) Windows
        • Zinc Sulfide (ZnS) Windows
          • Uncoated
        • Zinc Selenide (ZnSe) Windows
          • Uncoated
        • Silicon (Si) Windows
          • Uncoated
        • Germanium (Ge) Windows
          • Uncoated
      • Optical Flats
        • High Precision H-K9L Dual Surface Optical Flats
        • High Precision UV Fused Silica Dual Surface Optical Flats
        • H-K9L Single Surface Optical Flats
        • UV Fused Silica Single Surface Optical Flats
      • Wedge Windows
        • H-K9L High Precision Wedge Windows
        • UV Fused Silica High Precision Wedge Window
      • Dome Windows
        • H-K9L Glass Dome Window
        • Fused Silica Dome Window
      • Brewster Windows
        • UV Fused Silica Brewster Windows
    • Optical Mirror
      • Flat Mirror
        • H-K9L Standard Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • H-K9L High Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Fused Silica Standard Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Fused Silica High Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Economical Metal Coated Mirror
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
      • Elliptical Mirror
        • H-K9L Elliptical Mirror
          • Uncoated
          • Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Fused Silica Elliptical Mirror
          • Uncoated
          • Dielectric HR-D02@400~800nm
          • Dielectric HR-D03@750-1250nm
      • Right Angle Mirror
        • H-K9L Right Angle Mirror
          • UV-Aluminum+Protected
          • Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
          • Dielectric HR @400-800nm
          • Dielectric HR @750-1250nm
      • Concave Mirrors
        • Concave Spherical Mirror
          • Uncoated
          • UV-Aluminum+Protected
          • Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
          • Dielectric-HR-D01@350~400nm
          • Dielectric-HR-D02@400~800nm
          • Dielectric-HR-D03@750~1250nm
          • Dielectric-HR-D04@1200~1800nm
    • Beamsplitter
          • Plate Beamsplitters
            • Broadband Plate Beamsplitters
            • Economic Plate Beamsplitters
            • Broadband Elliptical Plate Beamsplitters
            • UV Wedge Plate Beamsplitter
            • IR Wedge Beam Splitter
          • Cube Beamsplitters
            • Standard Cube Beamsplitters
            • Polarizing Cube Beamsplitters
            • Non-polarizing cube Beamsplitters
    • Lenses
      • Achromatic Lenses
        • Negative Achromatic Lenses
        • Positive Achromatic Lenses
      • Aspheric Lenses
      • Ball lenses
        • K9 Ball Lenses
        • UV Fused Silica Ball Lenses
      • Cylinder Lenses
        • H-K9L PCV Cylinder Lenses
          • Uncoated 350-2000nm
        • H-K9L PCX Cylinder Lenses
          • Uncoated 350-2000nm
        • Positive Achromatic Cylinder Lenses
        • UV Fused Silica PCV Cylinder Lenses
          • Uncoated
        • UV Fused Silica PCX Cylinder Lenses
          • Uncoated
        • Calcium Fluoride（CaF2） PCX Cylinder Lenses
      • Double-Concave (DCV) Lenses
        • H-K9L Double-Concave Lenses
          • Uncoated 350-2000nm
        • UV Fused Silica Double-Concave Lenses
          • Uncoated
        • Calcium Fluoride （CaF2）Double-Concave Lenses
        • Zinc Selenide (ZnSe) Double-Concave Lenses
      • Double-Convex (DCX) Lenses
        • K9 Double-Convex Lenses
          • Uncoated 350-2000nm
        • UV Fused Silica Double-Convex Lenses
          • Uncoated
        • Calcium Fluoride (CaF2) Double-Convex Lenses
        • Zinc Selenide (ZnSe) Double-Convex Lenses
      • Drum Lenses
        • H-K9L Drum Lenses
          • Uncoated 350-2000nm
        • UV Fused Silica Drum Lenses
          • Uncoated
      • Meniscus Lenses
      • Plano Convex (PCX)Lenses
        • K9 Plano-Convex Lenses
        • UV Fused Silica Plano-Convex Lenses
        • Calcium Fluoride (CaF2) Plano-Convex Lenses
        • Silicon Plano-Convex Lenses
        • Germanium Plano-Convex Lenses
        • Zinc Selenide (ZnSe) Plano-Convex Lenses
      • Plano-Concave (PCV)Lenses
        • K9 Plano-Concave Lenses
        • Calcium Fluoride（CaF2）Plano-Concave Lenses
    • About us
      • Cookie Policy
    • Product Customization
    • Contact us
    • English
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    • 08:00 - 22:00 GMT+8
About the etaOptics

etaOptics has nearly 10,000 optical components in stock for you to choose from, and we also offer customized services to provide customers with reliable products and excellent one-stop purchasing services.

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Copyright 2025 © etaOptics
    • Home
    • Optical Windows
      • Optical Glass Sheets
        • B270 Optical Glass Sheets
        • Colored Optical Glass Sheets
        • K9 Optical Glass Sheets
        • NIR Quartz Sheets
        • Sample Holder
        • Ultrathin Quartz Sheets
        • Uv-Vis Quartz Sheets
        • VIS Quartz Sheets
      • Visible Windows
        • λ/4 Visible Windows
        • λ/10 Visible Windows
      • UV and IR Windows
        • Standard Precision Sapphire Windows
        • High Precision Sapphire Windows
        • Standard Precision UV Fused Silica Windows
          • Uncoated
        • High Precision UV Fused Silica Windows
          • Uncoated
        • Barium Fluoride (BaF2) Windows
        • Calcium Fluoride (CaF2) Windows
        • Zinc Sulfide (ZnS) Windows
          • Uncoated
        • Zinc Selenide (ZnSe) Windows
          • Uncoated
        • Silicon (Si) Windows
          • Uncoated
        • Germanium (Ge) Windows
          • Uncoated
      • Optical Flats
        • High Precision H-K9L Dual Surface Optical Flats
        • High Precision UV Fused Silica Dual Surface Optical Flats
        • H-K9L Single Surface Optical Flats
        • UV Fused Silica Single Surface Optical Flats
      • Wedge Windows
        • H-K9L High Precision Wedge Windows
        • UV Fused Silica High Precision Wedge Window
      • Dome Windows
        • H-K9L Glass Dome Window
        • Fused Silica Dome Window
      • Brewster Windows
        • UV Fused Silica Brewster Windows
    • Optical Mirror
      • Flat Mirror
        • H-K9L Standard Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • H-K9L High Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Fused Silica Standard Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Fused Silica High Precision Flat Mirror
          • Uncoated
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Economical Metal Coated Mirror
          • Aluminum+Protected
          • UV Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
      • Elliptical Mirror
        • H-K9L Elliptical Mirror
          • Uncoated
          • Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
        • Fused Silica Elliptical Mirror
          • Uncoated
          • Dielectric HR-D02@400~800nm
          • Dielectric HR-D03@750-1250nm
      • Right Angle Mirror
        • H-K9L Right Angle Mirror
          • UV-Aluminum+Protected
          • Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
          • Dielectric HR @400-800nm
          • Dielectric HR @750-1250nm
      • Concave Mirrors
        • Concave Spherical Mirror
          • Uncoated
          • UV-Aluminum+Protected
          • Aluminum+Protected
          • Silver+Protected
          • Gold+Protected
          • Dielectric-HR-D01@350~400nm
          • Dielectric-HR-D02@400~800nm
          • Dielectric-HR-D03@750~1250nm
          • Dielectric-HR-D04@1200~1800nm
    • Beamsplitter
          • Plate Beamsplitters
            • Broadband Plate Beamsplitters
            • Economic Plate Beamsplitters
            • Broadband Elliptical Plate Beamsplitters
            • UV Wedge Plate Beamsplitter
            • IR Wedge Beam Splitter
          • Cube Beamsplitters
            • Standard Cube Beamsplitters
            • Polarizing Cube Beamsplitters
            • Non-polarizing cube Beamsplitters
    • Lenses
      • Achromatic Lenses
        • Negative Achromatic Lenses
        • Positive Achromatic Lenses
      • Aspheric Lenses
      • Ball lenses
        • K9 Ball Lenses
        • UV Fused Silica Ball Lenses
      • Cylinder Lenses
        • H-K9L PCV Cylinder Lenses
          • Uncoated 350-2000nm
        • H-K9L PCX Cylinder Lenses
          • Uncoated 350-2000nm
        • Positive Achromatic Cylinder Lenses
        • UV Fused Silica PCV Cylinder Lenses
          • Uncoated
        • UV Fused Silica PCX Cylinder Lenses
          • Uncoated
        • Calcium Fluoride（CaF2） PCX Cylinder Lenses
      • Double-Concave (DCV) Lenses
        • H-K9L Double-Concave Lenses
          • Uncoated 350-2000nm
        • UV Fused Silica Double-Concave Lenses
          • Uncoated
        • Calcium Fluoride （CaF2）Double-Concave Lenses
        • Zinc Selenide (ZnSe) Double-Concave Lenses
      • Double-Convex (DCX) Lenses
        • K9 Double-Convex Lenses
          • Uncoated 350-2000nm
        • UV Fused Silica Double-Convex Lenses
          • Uncoated
        • Calcium Fluoride (CaF2) Double-Convex Lenses
        • Zinc Selenide (ZnSe) Double-Convex Lenses
      • Drum Lenses
        • H-K9L Drum Lenses
          • Uncoated 350-2000nm
        • UV Fused Silica Drum Lenses
          • Uncoated
      • Meniscus Lenses
      • Plano Convex (PCX)Lenses
        • K9 Plano-Convex Lenses
        • UV Fused Silica Plano-Convex Lenses
        • Calcium Fluoride (CaF2) Plano-Convex Lenses
        • Silicon Plano-Convex Lenses
        • Germanium Plano-Convex Lenses
        • Zinc Selenide (ZnSe) Plano-Convex Lenses
      • Plano-Concave (PCV)Lenses
        • K9 Plano-Concave Lenses
        • Calcium Fluoride（CaF2）Plano-Concave Lenses
    • About us
      • Cookie Policy
    • Product Customization
    • Contact us
    • English
  • Login
    • United States (US) dollar ($)
      • Euro (€)
      • Pound sterling (£)
      • Australian dollar ($)
      • Singapore dollar ($)
      • Chinese yuan (¥)
      • Malaysian ringgit (RM)
      • Polish złoty (zł)
      • Swedish krona (kr)
      • Norwegian krone (kr)
      • Danish krone (kr.)
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