High-Performance Quartz Windows for Optical, Scientific, and Industrial Applications
Product Overview
Our UV grade fused silica quartz windows are precision-engineered for applications requiring exceptional optical clarity, thermal stability, and chemical resistance. Designed for advanced optical systems, photonics, semiconductor processing, and high-temperature industrial equipment, these windows offer reliable performance across UV, visible, and near-infrared wavelengths (180–2500 nm) with transmittance exceeding 90%.
Standard windows are manufactured in JGS1 type, with custom JGS2 and JGS3 types available upon request. Thicknesses are typically 3–4 mm, but can be customized to meet specific application requirements. Size customization is also available to suit specialized optical, laboratory, or industrial setups.
Featuring a combination of low thermal expansion, high mechanical strength, and excellent chemical resistance, these windows maintain stability under high temperatures, thermal cycling, and harsh operating conditions. They are ideal for applications where precision, durability, and optical performance are critical.
Key Features
- High Optical Clarity: Superior light transmission across UV, visible, and near-infrared ranges
- Thermal Stability: Supports long-term use up to 1100°C and short-term exposure up to 1300°C
- Low Thermal Expansion: Coefficient of thermal expansion 5.4 ×10⁻⁷ (0–1000°C) minimizes thermal stress and distortion
- High Mechanical Strength: Tensile strength 4.8 ×10⁷ N/m², compressive strength 1.1 ×10⁹ N/m²
- Electrical Insulation: High resistivity (7×10⁷ Ω·cm) and insulation strength up to 5×10⁷ V/m
- Chemical Resistance: Resistant to most acids and industrial chemicals
- Customizable: Types, sizes, and thicknesses tailored to specific equipment or research needs
- Durable in High-Temperature Environments: Hot working range 1750–2050°C
- Precision Optical Components: Suitable for lenses, prisms, windows, and UV laser systems
Performance Parameters
| Parameter | Value |
| Density | 2.2 g/cm³ |
| Mohs Hardness | 7.2 |
| Coefficient of Thermal Expansion (0–1000℃) | 5.4 ×10⁻⁷ |
| Melting Point | 1750℃ |
| Annealing Temperature | 1150℃ |
| Softening Point | 1680℃ |
| Thermal Conductivity | 1.4 W/m·℃ |
| Deformation Point | 1280℃ |
| Annealing Point | 1210℃ |
| Flexural Strength | 6.7 ×10⁷ N/m² |
| Poisson's Ratio | 0.14–0.17 |
| Specific Heat Rate | 670 J/kg·℃ |
| Strain Point | 1120℃ |
| Resistivity | 7 ×10⁷ Ω·cm |
| Insulation Strength | 5 ×10⁷ V/m |
| Dielectric Absorption Coefficient | <4×10⁴ |
| Dielectric Loss Coefficient | <1×10⁴ |
| Refractive Index | 1.45845 |
| Tensile Strength | 4.8 ×10⁷ N/m² |
| Compressive Strength | 1.1 ×10⁹ N/m² |
| Dielectric Constant | 3.7–3.9 |
| Young’s Modulus | 7.2 ×10¹² N/m² |
| Rigid Modulus | 3.1 ×10³ MPa |
| Long-Term Use Temperature | 1100℃ |
| Short-Term Usage Temperature | 1300℃ |
| Hot Working Temperature | 1750–2050℃ |
Applications
UV grade fused silica quartz windows are ideal for scientific, industrial, and optical applications:
- Optical Systems: High-precision windows for lenses, prisms, beam splitters, and UV laser equipment
- Semiconductor Processing: Quartz windows for CVD reactors, furnace monitoring, and high-temperature wafer processes
- UV Lasers & Photonics: Excimer laser, photolithography, and advanced photonics systems
- Laboratory Equipment: Optical cuvettes, reaction vessels, and high-temperature observation windows
- Industrial Manufacturing: Furnace windows, UV curing systems, and high-voltage insulation windows
- Scientific Research: Spectroscopy, optical detection, and precision instrumentation
These windows combine high optical transmission, mechanical strength, and thermal stability, ensuring reliable performance in both laboratory and industrial environments.
Why Choose Our UV Fused Silica Quartz Windows
- High optical performance ensures precision for UV, visible, and near-infrared applications
- Excellent thermal stability and low expansion minimize deformation during heating
- High mechanical strength reduces breakage risk in industrial and laboratory environments
- Customizable dimensions and types to meet specific equipment requirements
- Reliable performance for both industrial and scientific applications
UV grade fused silica quartz windows are the optimal choice for precision optics, high-temperature processes, and industrial systems where clarity, durability, and stability are critical.
FAQ
1. Can these quartz windows withstand rapid temperature changes?
Yes, the low coefficient of thermal expansion (5.4×10⁻⁷, 0–1000℃) ensures minimal thermal stress, allowing windows to tolerate rapid heating and cooling without cracking.
2. Are the quartz windows suitable for high-power UV laser applications?
Absolutely. With transmittance >90% across 180–2500 nm and excellent thermal stability, these windows transmit UV laser energy effectively while maintaining structural integrity.
3. Can I customize the size and thickness for my equipment?
Yes, these windows can be tailored to exact requirements, including custom thicknesses beyond the standard 3–4 mm and JGS type (JGS1/JGS2/JGS3) for specialized optical or industrial systems.
4. How resistant are these windows to chemicals and harsh environments?
They offer excellent chemical resistance to most acids and industrial chemicals, making them suitable for laboratory, semiconductor, and industrial processes.
5. Can these windows be used for long-term high-temperature applications?
Yes, they can withstand long-term usage up to 1100°C and short-term exposure up to 1300°C, providing reliable performance under demanding thermal conditions.
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