SQ Fused Silica – Ultrapure Fused Silica - SQ1

Specifications

Excimergrade Fused Silica Transmission: 193 nm / 248 nm
Path Length For Typical Transmission: 40 mm
Substrate Material: Fused Silica
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Features


  • High Laser Durability: SQ Fused Silica is designed to withstand high-energy UV and laser radiation, making it ideal for demanding optical applications.

  • Refractive Index Homogeneity: This material offers consistent optical performance, essential for precision optical components.

  • Thermal Stability and Shock Resistance: With excellent thermal properties, SQ Fused Silica can endure significant temperature variations without compromising its structure.

  • Low Stress Birefringence: Ensures minimal distortion in optical paths, crucial for high-precision applications.

  • Small Thermal Expansion Coefficients: Reduces dimensional changes under temperature fluctuations, maintaining optical performance.

  • Low Fluorescence: The high OH and H2 content results in extremely low fluorescence, enhancing stability under UV and laser exposure.

  • Versatile Applications: Suitable for excimer laser optics, DUV and UV optics components, standard optics (VIS and NIR), and technical applications like fused silica vessels and windows.

  • Available in Multiple Quality Grades: Offered in five quality grades tailored to customer needs, from SQ0 for 3D striae-free materials to SQT for technical applications.

  • Excimer Grade Options: Available in SQ1 or SQ0 for excellent transmission at 193 nm and 248 nm with the lowest laser-induced fluorescence levels.

Applications


  • Excimer Laser Optics: Optics and beam guiding systems for ArF/KrF lasers

  • DUV and UV Optical Components: For precision UV applications

  • Standard VIS/NIR Optics: Lenses, discs, wafers, and rods

  • Optical Fiber Manufacturing: UV rods, preforms, and optical fibers

  • Lithography and Microlithography: Stepper lenses, photomask blanks, wafers

  • Laser Fusion Systems: Durable material for high-energy laser systems

  • Technical Components: Fused silica windows, vessels, and high-purity parts