SQ Fused Silica – Ultrapure Fused Silica - SQT

Specifications

Transmission At 193 Nm: Excellent
Transmission At 248 Nm: Excellent
Laser-Induced Fluorescence: Lowest level
Path Length For Typical Transmission: 40 mm
Fluorescence Signal: Very low level
Substrate Material: Fused Silica
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Features


  • Exceptional Laser Durability: Designed to withstand high-energy UV and laser radiation, making it ideal for demanding optical applications.

  • Refractive Index Homogeneity: Ensures consistent optical performance across the entire material, crucial for precision applications.

  • Thermal Stability and Temperature Shock Resistance: Maintains integrity under extreme temperature variations, suitable for various industrial uses.

  • Low Stress Birefringence: Minimizes optical distortion, enhancing clarity and precision in optical devices.

  • Minimal Thermal Expansion: Features small thermal expansion coefficients, ensuring stability and reliability in temperature-sensitive environments.

  • Low Fluorescence: Due to high OH and H2 content, it exhibits extremely low fluorescence, enhancing performance under high-energy conditions.

  • Versatile Applications: Perfect for excimer laser optics, DUV and UV components, standard optics (VIS and NIR), UV rods, preforms, optical fibers, and more.

  • Available in Multiple Quality Grades: Offered in five quality grades (SQ0, SQ1, SQT, SQ0-E193/SQ1-E193, SQ0-E248/SQ1-E248) tailored to customer-specific needs and applications.

  • Customizable Formats: Available as ingots or semi-finished products (round disc, rod, plate, block, etc.), catering to diverse industrial requirements.

Applications


  • Excimer Laser Optics: Beam guiding systems and UV laser components.

  • DUV & UV Optics: Components for deep ultraviolet optical systems.

  • Standard VIS/NIR Optics: Lenses, wafers, discs, and optical fibers.

  • Lithography & Microlithography: Stepper lenses, photo mask blanks, and wafers.

  • Laser Fusion Systems: High-stability material under extreme laser conditions.

  • Technical Applications: Fused silica vessels, windows, and precision optical parts.