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    High-Quality Fused Silica Optical Windows for Laser Systems - Custom Sizes from China Suppliers & Factory
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    High-Quality Fused Silica Optical Windows for Laser Systems - Custom Sizes from China Suppliers & Factory

    ALHAZEN's fused silica optical windows are designed for exceptional UV-IR broadband transmission, offering high thermal stability and low thermal expansion, making them ideal for laser systems. Our products, manufactured in China, can be customized in diameter from 1 to 500mm, with a thickness tolerance of ±0.005mm and λ/10 surface flatness. These windows are perfect for high-power lasers, vacuum chambers, and harsh environments. As a leading supplier in the industry, our factory ensures top-notch quality and reliability for all your optical window needs.

      Contact us
      Product Detail

      Optical Window

      1. Core Functions
      • Environmental Isolation: Seals vacuum, high-pressure, or corrosive environments while transmitting 190nm–2.1μm light with >92% efficiency.
      • Laser Resistance: Fused silica substrates withstand high-power laser damage (LIDT >10J/cm² @1064nm, 10ns) for CO₂, YAG, and femtosecond lasers.
      2. Technical Specifications
      • Material Properties: Fused Silica: Thermal expansion 0.55×10⁻⁶/°C, softening point 1580°C, superior UV transmission vs. N-BK7.
      • Precision (High-Grade): Surface flatness λ/10 (@632.8nm), wavefront distortion λ/20 per 25mm; Thickness tolerance ±0.005mm, diameter +0.01/-0.01mm, parallelism <1 arcsec; Clear aperture 100%, scratch/dig 20/10 (upgradable to 10/5).
      • Coatings: AR Coatings: Single/dual-sided for 193nm–10.6μm (e.g., 355nm, 1064nm, 10.6μm); High-LIDT Coatings: Compatible with >1kW CW or >100mJ pulsed lasers.
      3. Applications
      • Laser Processing: Output windows for fiber lasers to shield internal optics.
      • Spectroscopy: VUV spectrometer windows for high transmission and low scatter.
      • Harsh Environments: Observation windows for high-temperature furnaces or radiation-resistant sensors in aerospace.
      4. Customization
      • Non-Standard Sizes: Custom shapes (square, annular), bevels 0.3±0.2mm×45°, or edge treatments.
      • Hybrid Windows: Combined with sapphire or CaF₂ for multi-band splitting or AR optimization.
      • Fast Delivery: Standard orders in 5 days, special coatings/sizes <3 weeks.

      Product Parameter

      Ultra-Low Wavefront Distortion: λ/20 surface accuracy for interferometers or excimer lithography systems.
      Extreme Environment Durability: Stable performance under 10⁻⁶ Torr vacuum or 500°C with zero outgassing/deformation.

      Custom & OEM Process

      Materials capabilities

      Materials capabilities

       Coating capabilities

      Coating capabilities

       Advanced Equipment

      Advanced Equipment

       Custom Sizes and Shapes

      Custom Sizes and Shapes

       Quality Assurancetesting

      Quality Assurancetesting

       Experienced Team

      Experienced Team

      Company introduction

      FAQ

      Q1: Are you a factory?

      Yes, we are a professional manufacturer of optical components, we have more than 20 years experience in optical cold working.

      Q2: Can I custom the products based on my requirement?

      Yes, we can custom the material, specifications and optical coating for your optical components as your requirement.

      Q3: How many days will samples be finished? How about mass products?

      Generally, we need 1-2 days to finish the sample production. As for the mass products, it depends on your order quantity.

      Q4: What's the delivery time?

      (1) For inventory: the delivery time is 1-3 working days.
      (2) For customized products: the delivery time is 7 to 25 working days According to the quantity.

      Q5: How do you control the quality?

      More than four times quality inspect during production process, we can provide the Quality test report.

      Q6: What is your payment term?

      T/T or L/C, if you want any other way, please contact us.

      Freight

      Freight options

      Payment

      Payment methods