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JGS2 Quartz Window is a high-performance optical window made from UV grade fused silica glass. It is widely used in semiconductor equipment, optical instruments, laser systems, and scientific research applications due to its excellent ultraviolet transmission, high temperature resistance, low thermal expansion, and outstanding chemical stability.
Compared with traditional glass materials, JGS2 fused silica windows provide better optical performance and higher reliability in demanding industrial environments. They are especially suitable for applications requiring stable transmission in ultraviolet wavelengths and long-term operation under high temperatures.
As a professional quartz glass manufacturer and supplier, we provide customized JGS2 Quartz Windows in various shapes, sizes, thicknesses, surface finishes, and optical specifications to meet different industrial requirements.
JGS2 Quartz Window is a type of optical-grade fused silica window manufactured from high-purity silicon dioxide (SiO₂). It belongs to the UV optical quartz glass family and is designed for applications requiring good ultraviolet transmission and excellent physical stability.
The main component of JGS2 quartz glass is high-purity SiO₂, which provides superior optical and thermal properties compared with ordinary soda-lime glass or borosilicate glass.
JGS2 quartz windows are commonly selected for industrial optical applications where durability, precision, and stable performance are required.
1. Excellent UV Optical Transmission
One of the most important advantages of JGS2 quartz glass is its excellent ultraviolet transmission performance.
Unlike conventional glass materials that strongly absorb ultraviolet light, JGS2 fused silica allows efficient UV light transmission, making it suitable for UV optical systems, inspection equipment, and laboratory instruments.
2. High Temperature Resistance
JGS2 quartz windows can withstand high-temperature environments and rapid temperature changes.
Due to the extremely low thermal expansion coefficient of fused silica, quartz windows maintain stable dimensions even when exposed to thermal cycling.
This makes them suitable for semiconductor processing equipment, heating systems, and industrial inspection devices.
3. Low Thermal Expansion
The low coefficient of thermal expansion helps prevent deformation and cracking caused by temperature fluctuations.
For precision optical equipment, dimensional stability is critical because even small changes may affect optical alignment and system performance.
4. Excellent Chemical Stability
JGS2 fused silica has excellent resistance against most acids and chemical substances.
This property makes quartz windows suitable for semiconductor manufacturing processes and laboratory environments where chemical exposure may occur.
5. High Optical Quality
JGS2 quartz windows can be manufactured with high surface quality and precise optical polishing.
Depending on customer requirements, surface quality, flatness, and parallelism can be customized for different optical applications.
| Item | Specification |
|---|---|
| Material | JGS2 Fused Silica Quartz |
| Chemical Composition | SiO₂ ≥99.99% |
| Shape | Round, Square, Rectangle, Custom Shape |
| Diameter | Customized |
| Thickness | Customized |
| Surface Quality | 10/5, 20/10, 40/20 or Customized |
| Surface Finish | Polished / Double Side Polished |
| Edge Processing | Chamfering, Grinding |
| Coating | AR Coating Available |
| Application | Optical, Semiconductor, Laser Equipment |
1. Semiconductor Equipment
JGS2 quartz windows are widely used in semiconductor manufacturing equipment due to their excellent thermal stability and chemical resistance.
Typical applications include:
Quartz windows help protect internal components while allowing optical observation and UV transmission.
2. Optical Instruments
Because of its excellent optical properties, JGS2 quartz glass is commonly used in:
The high transparency and low optical absorption make it a reliable material for precision optical components.
3. Laser Systems
JGS2 quartz windows are also used in laser-related applications, including:
The excellent thermal resistance allows quartz windows to operate under laser energy exposure.
4. Laboratory and Research Equipment
JGS2 fused silica windows are frequently used in scientific instruments requiring UV transparency and chemical resistance, such as:
| Feature | JGS1 Quartz Window | JGS2 Quartz Window |
|---|---|---|
| Optical Grade | Far-UV Optical Quartz | UV Optical Quartz |
| Typical Transmission Range | Approx. 185–2500 nm | Approx. 220–2500 nm |
| Deep UV Performance | Excellent | Good |
| UV Cut-off | Lower | Higher |
| Typical Material | Synthetic Fused Silica | Natural Fused Quartz |
| OH Content | Typically higher, depending on grade | Typically lower than JGS1 |
| Optical Quality | Very High | High |
| Thermal Stability | Excellent | Excellent |
| Chemical Resistance | Excellent | Excellent |
| Typical Applications | Deep-UV Optics, Excimer Lasers, UV Spectroscopy | UV Windows, Optical Instruments, Semiconductor Equipment |
| Cost | Generally Higher | Generally More Economical |
| Best Selection Factor | Working Wavelength Below ~220 nm | Working Wavelength ≥220 nm |
Different industries require different quartz window designs. We provide customized solutions according to customer drawings and specifications.
Customization options include:
Our manufacturing process includes strict quality control to ensure stable performance and reliable product quality.
We provide professional quartz glass solutions for global industrial customers.
Our advantages include:
Whether you need standard quartz windows or customized optical components, we can provide suitable solutions according to your application requirements.
1. What is JGS2 quartz glass?
JGS2 is UV optical grade fused silica glass with excellent ultraviolet transmission, high temperature resistance, and chemical stability.
2. What is the difference between JGS1 and JGS2 quartz windows?
JGS1 is mainly used for higher-end deep UV applications, while JGS2 provides excellent UV performance with a more economical solution.
3. Can JGS2 quartz windows be customized?
Yes. Diameter, thickness, shape, polishing quality, coating, and other specifications can be customized according to customer requirements.
4. What industries use JGS2 quartz windows?
JGS2 quartz windows are widely used in semiconductor equipment, optical instruments, laser systems, and scientific research equipment.
