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Round / Square Protective Optical Glass Borosilicate Window Lenses for Building Glass

Categories Optical Windows
Brand Name: GIAI
Model Number: GA-OW
Certification: ROHS/SGS
Place of Origin: China
MOQ: 50pcs
Price: negotiation
Payment Terms: T/T
Supply Ability: 1,0000pcs per month
Delivery Time: 15 working days after received your payment
Packaging Details: vacuum packaging
Product Name: Borosilicate Windows
Material: optical glass
Application: Building Glass
Type: Tempered Glass
Size: customization
Flatness: 1/4λ
Company Info.
Giai Photonics Co.,Ltd
Verified Supplier
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    Round / Square Protective Optical Glass Borosilicate Window Lenses for Building Glass

    Uncoated Square Optical Glass Borosilicate Windows / Protective Window Lenses

    Borosilicate Windows


    Diameter (mm)


    Thickness (mm)


    Index of Refraction nd




    Transmission (%)


    Coefficient of Thermal Expansion CTE (10-6/C)


    Operating Temperature (C)

    1 hour @ 500; >100 hours @ 450

    Resistance to Temperature Difference (K)

    1 hour @ 110; 1-100 hours @ 90; <100 hours @ 80

    Thermal Shock (K)


    Surface Quality

    60 - 40

    Diameter Tolerance (mm)


    Thickness Tolerance (mm)


    Transformation Temperature (C)


    Modulus of Elasticity (kN/mm2)


    Density (g/cm3)


    Poisson's Ratio


    Stress-Optical Coefficient (mm2/N)

    4 x 10-6

    Wavelength Range (m)

    0.35 - 2.0


    Protective Window




    Compliant (View Certificate)


    Optical Windows are flat, plane-parallel plates that are often used as protective barriers for electronic sensors or detectors from outside environments. Optical Windows should be selected based on the material transmission or mechanical properties of the substrate. Optical Windows do not cause change in the magnification of a system. GIAI Optics’ Optical Windows are offered in a variety of substrates, such as Germanium (Ge), Silicon (Si), N-BK7, UV Fused Silica, Zinc Selenide (ZnSe), or Potassium Bromide (KBr). Multiple anti-reflection coating options are available for the Ultraviolet (UV), visible, or Infrared (IR).

    Optical Diffusers are used to control the diffuse area of illumination by evenly diffusing the light source as it passes through the Optical Diffuser. GIAI Optics offers Holographic, Opal, or Ground Glass Diffusers in a variety of sizes or diffusing angles. Holographic Diffusers offer superior transmission efficiency compared to glass diffusers. Optical or Ground Glass Diffusers are cost-sensitive alternatives.

    BOROFLOAT® Borosilicate Windows are ideal for high temperature and harsh environment applications. Unlike common borosilicate that is drawn flat, BOROFLOAT® is produced by a float technique that yields superior surface accuracy — typically 4 - 6λ per inch. BOROFLOAT® is about three times more resistant to thermal shock than standard soda lime glass.

    Competitive Advantage:

    Borosilicate Windows,competitive price , good quality, delivery on time, providing perfect after-sales service, to provide customers with professional customized products of parameter. We will supply you with best solution.

    Why us?

    1 Service time: 24 hours waiting for you.

    2.Fast Response: 2 hours within our worktime, 12 hours get off work.

    3.Good Service: We can supply you from design,measure to coating one stop service.

    4. MOQ: No MOQ requirement, you can set your order freely.
    5. After-sales service: If bad quality, we will refund .

    How to Order ?

    Step 1. Send the inquiry at the bottom of the product.

    Step 2. We will response or quote you within 24 hours.

    Step 3. Place order through email, fax directly.

    Product Tags:

    custom optics


    precision optics

    Quality Round / Square Protective Optical Glass Borosilicate Window Lenses for Building Glass for sale
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