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  • China Star Optics Technology Co.,Ltd.

  •  [Jilin,China]
  • Business Type:Manufacturer , Retailer
  • Main Markets: Africa , Americas , Asia , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:71% - 80%
  • Certs:ISO9001
  • Description:Silicon Lens,Silicon Optical Lens,Infrared Si Lens,Silicon Plano-Convex Lens
China Star Optics Technology Co.,Ltd.

China Star Optics Technology Co.,Ltd.

Silicon Lens,Silicon Optical Lens,Infrared Si Lens,Silicon Plano-Convex Lens

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Silicon Lens

Product categories of Silicon Lens, we are specialized manufacturers from China, Silicon Lens, Silicon Optical Lens suppliers/factory, wholesale high-quality products of Infrared Si Lens R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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  • Custom DLC coated Silicon Si window

    Unit Price: USD 100 - 80 / Piece/Pieces
    Min.Order Unit Price
    10 Piece/Pieces USD 100 / Piece/Pieces
    1000 Piece/Pieces USD 50 / Piece/Pieces
    500 Piece/Pieces USD 80 / Piece/Pieces
    Brand: no
    Packing: Packaging the lenses separately inside and make sure all the lenses safety during transport.
    Supply Ability: 2000 pcs/month
    Certificate: ISO9001:2015
    Silicon features a Knoop Hardness of 1150 and low density, making it tougher than germanium substrates and suitable for weight-sensitive applications, respectively. Our common silicon lens,silicon infrared window, silicon mirror can be coated on the...
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  • Uncoated Silicon Plano-convex (PCX) lens

    Unit Price: USD 20 - 50 / Piece/Pieces
    Min.Order Unit Price
    1000 Piece/Pieces USD 20 / Piece/Pieces
    500 Piece/Pieces USD 30 / Piece/Pieces
    10 Piece/Pieces USD 50 / Piece/Pieces
    Brand: no
    Packing: Packaging the lenses separately inside and make sure all the lenses safety during transport.
    Supply Ability: 1000 pcs/month
    Certificate: ISO9001:2015
    Silicon features a Knoop Hardness of 1150 and low density, making it tougher than germanium substrates and suitable for weight-sensitive applications, respectively. Silicon lens, Plano-Convex Lenses (PCX spherical lens) and Silicon mirror feature...
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     Add to Basket
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  • 25.4 mm Diameter DLC coating Silicon Lens

    Unit Price: USD 100 - 80 / Piece/Pieces
    Min.Order Unit Price
    10 Piece/Pieces USD 100 / Piece/Pieces
    1000 Piece/Pieces USD 50 / Piece/Pieces
    500 Piece/Pieces USD 80 / Piece/Pieces
    Brand: no
    Packing: Packaging the lenses separately inside and make sure all the lenses safety during transport.
    Supply Ability: 2000 pcs/month
    Certificate: ISO9001:2015
    Silicon features a Knoop Hardness of 1150 and low density, making the silicon lens tougher than germanium substrates and suitable for weight-sensitive applications, respectively. Our common silicon lens,silicon infrared window, silicon mirror can be...
    Contact Now
     Add to Basket
    Click for details

  • 25.4mm Dia 3-5μm AR Coated Si Window

    Unit Price: USD 30 - 50 / Piece/Pieces
    Min.Order Unit Price
    1000 Piece/Pieces USD 30 / Piece/Pieces
    500 Piece/Pieces USD 40 / Piece/Pieces
    10 Piece/Pieces USD 50 / Piece/Pieces
    Brand: no
    Packing: Packaging the lenses separately inside and make sure all the lenses safety during transport.
    Supply Ability: 2000 pcs/month
    Certificate: ISO9001:2015
    The refractive index of the mono crystalline silicon material is about 3.42, and the reflectivity of the silicon lens after polishing is about 30% in the air environment. Our common silicon lens,silicon infrared window, silicon mirror can be coated...
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  • 50 mm Dia. Silicon Substrate Mirror

    Unit Price: USD 100 - 80 / Piece/Pieces
    Min.Order Unit Price
    10 Piece/Pieces USD 100 / Piece/Pieces
    1000 Piece/Pieces USD 50 / Piece/Pieces
    500 Piece/Pieces USD 80 / Piece/Pieces
    Brand: no
    Packing: Packaging the lenses separately inside and make sure all the lenses safety during transport.
    Supply Ability: 2000 pcs/month
    Certificate: ISO9001:2015
    Optical glass flat mirror is ideal for a variety of applications including interferometry, imaging systems, laser applications, optical path folding, and auto collimation. These optical mirrors are available in a variety of coating and substrate...
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China Silicon Lens Suppliers
The refractive index of the monocrystalline silicon material is about 3.42, and the reflectivity of the Silicon Lens after polishing is about 30% in the air environment. Our common silicon lens and silicon window can be coated on the surface (Antireflection Coating), which can reduce the reflectivity to less than 1.5% between 3 to 5 um.

Some silicon elements, especially the silicon protected windows, are exposed to dust, acid, salt and so on in the harsh environment. The conventional multilayer antireflection coating will be damaged and affect the normal work of the equipment. At this time, we need to make DLC coating on the surface of the silicon lens.

Diamond-Like Carbon (DLC) Coated Silicon Windows are engineered for 3 to 5µm, making them ideal for infrared defense applications such as thermal imaging.
Diamond-Like Carbon (DLC) Coated Silicon Windows provide anti-reflection coating on one surface and a specially designed DLC coating on the other surface, making these windows highly durable and ideal for harsh environments. 


SI curve

Si material properties


Silicon lens specifications:
Standard precision High-precision
Dimension Tolerance φ5-250mm+0/-0.2 φ3-350mm+0/-0.2
Thickness Tolerance 1-50mm+/-0.1 1-50mm
Centration 3 arc minute 1 arc minute
Surface Quality 60/40 20/10
Power(fringe@633nm) N<λ/2@633nm(in 25mm) N<λ/10@633nm(in 25mm)
Clear Aperture >90% >95%
Chamfer Protected <0.5mmx45deg Protected <0.5mmx45deg

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