Key Advantages of Our Quartz Optical Window
- Raw material: high purity fused silica, SiO₂ ≥99.99%
- Broad spectrum transmission: deep UV to infrared range
- Ultra-low thermal expansion coefficient & thermal shock resistance
- Low outgassing, suitable for high vacuum semiconductor environments
- MIL-spec optical surface quality, flatness up to λ/10
- Custom CNC machining, chamfering and anti-reflection coating available
Engineering Specifications
| Core Materials | Fused Silica, BK7, K9 Optical Glass |
|---|---|
| SiO₂ Purity | ≥99.99% |
| Available Grades | JGS1 Deep UV, JGS2 UV-Vis, JGS3 IR |
| Working Temperature | Max 1100℃ continuous service |
| Thermal Expansion Coefficient | 5.5 × 10⁻⁷ /℃ |
| Transmission Range | 185 nm – 3500 nm |
| Surface Quality | 60/40, 40/20, 20/10 MIL standard |
| Custom Service | Round/square/shaped cutting, drilling, polishing, AR coating |
Typical Application Fields
- Semiconductor vacuum chamber viewports
- UV and infrared laser protective windows
- Laboratory spectroscopy & analytical instruments
- High temperature industrial furnace observation ports
- Aerospace optical detection systems
- UV sterilization and optical metrology equipment
FAQ
Can you produce quartz windows following customer CAD drawings?
Yes. Our optical engineers support custom outlines, holes and chamfers according to your technical drawings, provide free drawing evaluation and formal quotation quickly.
What’s the difference between JGS1, JGS2 and JGS3 quartz?
JGS1 for deep UV; JGS2 for general UV-Vis optics; JGS3 optimized for infrared transmission applications.
Is fused silica suitable for high vacuum environment?
High purity fused silica features ultra-low outgassing, fully compliant with semiconductor vacuum system requirements.
What coating options are available?
Uncoated substrate and single/double-sided anti-reflection AR coatings for target wavelength bands are available.
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Get Custom Technical Quotation
Please provide drawings, dimensions, surface flatness and coating demands. Our optical engineers will send detailed technical proposal and price quickly.