Optical coating Quartz Glass Ring

Optical Coating Quartz Glass Ring - Technical Specifications

Ultra-precision fused silica rings with advanced optical coatings engineered for laser systems, semiconductor inspection, and spectroscopic applications, featuring superior thermal stability and wavelength-specific performance12.

Core Material Properties

1. ‌Base Material Specifications‌

• ‌Material‌: UV-grade fused quartz (SiO₂ >99.99%) with metallic impurities <0.1 ppm13.

• ‌Thermal Resilience‌: Softening point 1,730°C; continuous operation up to 1,200°C13.

• ‌Optical Transparency‌: >92% transmission in UV-VIS spectrum (190-700 nm)12.

2. ‌Physical Dimensions‌

   ‌Parameter‌	‌Range‌
   ‌Outer Diameter‌	10–500 mm (customizable)13
   ‌Inner Diameter‌	5–450 mm1
   ‌Thickness‌	1–20 mm ±0.1 mm tolerance13
   ‌Surface Flatness‌	≤λ/10 @ 633 nm23

Optical Coating Features

• ‌Anti-Reflective (AR) Coatings‌:

• Single-layer or multi-layer MgF₂/Al₂O₃ coatings

• 99.5% transmission at designated wavelengths (e.g., 266 nm, 355 nm, 1064 nm)23.

• ‌Specialized Coatings‌:

• Dielectric mirrors for high-power laser cavities

• IR-cut/UV-pass filters for spectral filtering12.

• ‌Durability‌:

• MIL-C-675C abrasion resistance certification3.

Key Applications

• ‌Laser Optics‌:

• Resonator rings for ultrafast lasers3.

• Beam homogenizers in excimer systems12.

• ‌Semiconductor Metrology‌:

• EUV inspection chamber windows1.

• Wafer alignment fiducial rings3.

• ‌Analytical Systems‌:

• FT-IR sample cell interfaces1.

• Raman spectroscopy flow cells2.

Customization Options

• ‌Geometry‌:

• Asymmetric profiles, stepped edges, or angled faces13.

• ‌Surface Treatments‌:

• Precision-ground mating surfaces (Ra ≤20 nm)

• Frosted laser-etched identification zones12.

• ‌Coating Specifications‌:

• Custom wavelength optimization (200–2500 nm)

• Conductive ITO coatings for EMI shielding23.

⚠️ ‌Critical Handling Protocols‌

• ‌Thermal Limits‌:

• Maximum thermal shock tolerance: 800°C ΔT (air-to-air)13.

• ‌Cleaning‌:

• Use semiconductor-grade isopropyl alcohol or SC1 solution12.

• Prohibited: Alkaline cleaners or ultrasonic baths with pH>93.

• ‌Mounting‌:

• Apply uniform torque ≤0.5 N·m on flange interfaces

• Use compliant gaskets to prevent stress fractures13.

Certified for RoHS/REACH compliance and ISO 10110 optical standards