Custom JGS1 Fused Silica Plates – 185nm to 2500nm Transmission

JGS1 Fused Silica Plates is a high-purity synthetic quartz glass with excellent UV transmission performance. It is widely used in UV optics, semiconductors, laser technology and other fields.

JGS1 Quartz Glass Characteristics

• High UV transmittance: Excellent light transmittance in the 185nm~2500nm band (especially deep ultraviolet DUV band).
• High purity: SiO₂ content >99.99%, very few impurities, reducing light scattering and absorption.
• High temperature resistance: softening point up to 1700℃, extremely low thermal expansion coefficient, good thermal shock resistance.
• Chemical stability: acid-resistant (except HF), alkali-resistant, suitable for corrosive environments.

Main application areas

✅ UV optical system: UV lens, prism, window
✅ Semiconductor lithography: DUV lithography machine optical components
✅ Laser technology: excimer laser (such as KrF 248nm, ArF 193nm)
✅ Analytical instruments: UV spectrometer, fluorescence detector
✅ High-end lighting: UV LED packaging, mercury lamp lens

Technical parameters (reference)

Parameter                                                    Typical value
Transmission range                                   185nm~2500nm
UV transmittance (@200nm)                  >85% (10mm thickness)
Refractive index (@587.6nm)                 1.4585
Density                                                        2.2 g/cm³
Coefficient of thermal expansion             5.5×10⁻⁷/℃

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