With good UV transmission, low thermal expansion and relatively high purity, it is suited to UV windows, laser systems, analytical instruments and precision optical components.
JGS1 is commonly used in UV and visible optical systems; selection still requires confirming thickness, operating band, bubbles and striae, stress birefringence and surface grade.
The typical spectral range covers approximately 0.17–2.10 μm; actual values are confirmed with thickness and batch.
Suited to structures that require optical axis, dimensional and assembly stability under temperature variation.
We can assess wafers, windows, custom shapes, lapping, polishing, chamfering and clean delivery.
JGS1 is a commonly used category of synthetic quartz glass, suited to UV spectroscopy, lasers, analytical and precision imaging systems. Its application value depends on internal material quality, spectral transmission, stress state and finished surface, not just the grade name.
For high-energy laser, vacuum or high-cleanliness projects, absorption, fluorescence, hydroxyl, impurities, pre-coating preparation and packaging requirements should be specified further. Every metric should be traceable to a drawing, material document and acceptance method.
| Material composition | Synthetic amorphous SiO₂ |
|---|---|
| Typical spectral range | Approximately 0.17–2.10 μm |
| Density | 2.20 g/cm³ |
| Refractive index / Abbe number | 1.4586（588 nm）/ 67.6 |
| Coefficient of thermal expansion (CTE) | 5.5 × 10⁻⁷/K（20–320°C） |
| Thermal conductivity / specific heat | 1.4 W/(m·K) / 670 J/(kg·K) |
| Softening point / annealing point / strain point | 1683°C / 1215°C / 1120°C |
| Poisson's ratio | 0.17 |
| Stress birefringence | Typical reference 2–4 nm/cm |
| Hydroxyl and impurities | Typical reference from available sources: approximately 1200 ppm / approximately 5 ppm |
Available forms and dimensions depend on the raw material available, drawing tolerances and downstream surface processes.
Grade, batch, spectral or internal quality certification confirmed per project
Dimensions, thickness, flatness, parallelism, TTV and chamfers confirmed against the drawing
Surface form, scratch/dig, Ra, pre-coating cleanliness and packaging confirmed by application
Formal supply is governed by material documents, drawings, sample validation and specifications confirmed by both parties.
Processing and inspection should centre on optical surfaces, edge integrity, cleanliness and assembly datums.
Precision glass processing services. Precision glass grinding. For borosilicate glass, aluminosilicate glass, …
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We plan the glass cutting route around dimensions, datums, edge condition and downstream operations, reviewing outline, cutting allowance and delivery requirements against the drawing.
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Grinding and polishing operations are arranged around thickness, parallelism, flatness and surface requirements, with the process route and inspection method confirmed per project.
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We control particles, residues and water marks after processing, and confirm cleaning, handling and packaging requirements against coating, bonding or assembly needs.
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Glass dimensions, edges and surfaces are inspected against the drawing and the agreed acceptance items, with inspection methods, sampling scope and delivery records defined.
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We address sharp edges and local edge defects after cutting, confirming edge grinding and chamfer styles and edge acceptance criteria against assembly requirements.
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For micro-holes, hole arrays and local openings in glass, we evaluate laser drilling options based on material, thickness and hole geometry.
View ProcessingSpecific suitability must be validated against the operating band, energy density, temperature, environment and surface specifications.
It is normally used for UV applications, but actual transmission depends on material source, thickness, surface and target wavelength and must be confirmed against spectral documents.
Choose on operating band, hydroxyl content, impurities, fluorescence, bubbles and striae, and cost together.
We can assess lapping, polishing, surface form, parallelism, scratch/dig and Ra; final capability is subject to drawing review.
Cleaning, cleanroom handling, protective film and packaging grade can be confirmed per project.
Please provide operating wavelength, dimensions, thickness, quantity, tolerances, surface, edges, coating and delivery requirements.
Put the drawing, wavelength, quantity and acceptance conditions in one enquiry so material and process can be assessed together.