Manufactured from thermal-shock-resistant, ultra-pure fused quartz to guarantee superior spectral transmittance across laser machines, chemical reactors, and optical analyzers.
Double-sided optical polish with white rim finishing. Provides >92% visible-UV transmission and robust resistance to chemical corrosion.
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Engineered for intense laser machinery and photochemical reactors. Fabricated with 99.99% SiO₂ content to eliminate laser wavefront distortion.
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Translucent polished fused quartz rated for extreme temperatures up to 1400 °C. Ideal for high-pressure laser cavities and thermal sensors.
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ROHS certified precision cylinder designed for semiconductor CVD, ALD vacuum process chambers, and thin-film epitaxy equipment.
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BAO RAN optical-grade quartz disc processed with 200-mesh fine raw silica. Features low bubble inclusion and high laser damage threshold.
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Custom bending, precision laser welding, and micro-cutting suitable for ozone generators, far-infrared heating, and fluidic inspection.
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OEM/ODM scientific apparatus produced to custom drawings. Thermal-shock proof and compatible with extreme acid distillation environments.
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Annealed under 1200 °C to eliminate residual polarization stress. Precision slotted for microfluidic channels and medical optics.
Technical Details →For optical engineers and procurement specialists operating across Estonia’s academic and industrial clusters—from the University of Tartu’s Institute of Physics to Tallinn’s precision photonics enterprises—standard borosilicate and optical crown glasses (like N-BK7) often fall short in demanding ultraviolet and high-temperature environments.
Synthetic and natural fused quartz (SiO₂) features an ultra-low coefficient of thermal expansion (5.5 × 10⁻⁷ /°C), ensuring zero thermal drift during high-power laser irradiation or rapid thermal processing. Furthermore, our JGS1-grade synthetic quartz lenses exhibit near-lossless transmission in deep ultraviolet spectra down to 185 nm, preventing optical solarization and substrate browning.
Lovri Quartz manages the entire manufacturing vertical in Lianyungang—from raw lump sorting, acid chemical purification, and CNC diamond tooling to multi-axis polarization stress inspection. We provide Estonian optical innovators with direct-factory accessibility, eliminating trade markups while securing full material traceability.
| Physical & Optical Parameter | Fused Quartz Benchmark |
|---|---|
| Silica Purity (SiO₂) | ≥ 99.99% (Trace Fe < 0.5 ppm) |
| Refractive Index (nd @ 587.6 nm) | 1.4585 |
| Thermal Expansion (20°C to 320°C) | 5.5 × 10-7 cm/(cm·°C) |
| Softening Point / Annealing | 1730 °C / 1215 °C |
| Laser Damage Threshold (LDT) | > 15 J/cm² @ 1064 nm (10 ns) |
| Surface Quality / Scratch-Dig | 20/10 - 40/20 (MIL-PRF-13830B) |
| Surface Flatness | λ/4 to λ/10 per 25 mm dia. |
Estonia’s high-tech landscape demands robust quartz components that perform seamlessly in cleanrooms, Baltic offshore monitoring, and sub-micron analytical facilities.
Serving laser micromachining facilities in Harjumaa and Tartu. Our quartz lenses, triple-bore laser flow tubes, and low-fluorescence fused silica windows withstand repetitive pulsed radiation without optical degradation or thermal blooming.
Supporting Tartu University photonics laboratories, chemical synthesizers, and quantum computing prototypes with micro-machined quartz flow cells, wafer boats, and 96-well quartz microplates inert to aggressive fluorides and organic solvents.
Baltic maritime water-quality monitoring stations and air-quality gas spectrometers leverage our JGS2/JGS3 quartz optical viewports. Resistant to coastal saline weathering, high pressures, and sudden ambient temperature drops.
Understanding shifting procurement paradigms across northern Europe helps local engineering teams build resilient, cost-optimized component pipelines.
With Estonia's push toward autonomous robotics, LiDAR, and satellite miniaturization, optical designers increasingly transition from bulky conventional lenses to CNC-milled micro-cylinders, aspheric quartz profiles, and micro-grooved quartz wafers.
Estonian enterprises actively bypass high-markup Western European distribution tiers. By partnering directly with SGS-verified raw quartz producers, local manufacturers capture 30–45% procurement savings without compromising material provenance.
Estonian photonics exports to the European Union and Scandinavian neighbors mandate uncompromising adherence to RoHS and CE norms. Direct chemical testing reports and stress-free birefringence testing are now mandatory prerequisites for baseline bids.
Combining 14,271 m² of specialized production space in Lianyungang with end-to-end metallurgical quality control, we bridge raw silica extraction with micron-precise CNC delivery.
We execute quartz crushing, acid-pickling purification, and tube drawing in-house. This upstream control ensures genuine 99.99% SiO₂ consistency across every single lens and plate batch.
Every fabricated component undergoes continuous 1200 °C annealing followed by polarization stress testing, completely eliminating the internal micro-stress that causes sudden vacuum chamber failure.
Equipped with 5-axis diamond milling centers, we realize laser cutting, blind-hole drilling, ultrasonic polishing, and custom threading from customer CAD (DWG, STEP, DXF) drawings.
Custom form-fitting polyethylene foam wrapping, vacuum-sealed interior bags, and shock-reinforced wooden export crates ensure guaranteed zero-breakage arrival via air or multimodal sea freight.
Direct answers addressing material grades, EU compliance, minimum orders, and logistics to Tallinn, Tartu, and Narva.
JGS1 is synthetic fused silica offering premier deep UV transmission down to 185 nm, ideal for excimer lasers and UV spectroscopy. JGS2 is flame-fused quartz transmitting from 220 nm to 2500 nm, providing a cost-efficient solution for standard sight glasses and optical windows. JGS3 provides superior infrared transmission up to 3500 nm, suited for thermal sensors and IR viewports.
Yes. We regularly machine custom components directly from customer CAD models in STEP, DWG, DXF, or PDF engineering formats. Our capabilities include tight surface polish (up to 20/10 scratch-dig), ultra-precise bevels, custom threading, double-flanged seals, and multi-bore capillary drilling.
We actively support academic research and industrial prototyping across Estonia with an accessible MOQ of just 1 to 5 pieces for standard and custom-machined items. Once initial dimensional and optical parameters are validated, we scale effortlessly to high-volume production batches.
Every piece is individually bubble-sealed, packed in custom multi-density shock-absorbing polyethylene foam blocks, and sealed in multi-layer corrugated boxes or plywood export crates meeting international export guidelines. Door-to-door air freight (via DHL, FedEx, or UPS) typically reaches Estonia within 4 to 7 working days with full shipping insurance.
Send your dimensional drawings, required SiO₂ purity, or spectral transmission tolerances. Our optical engineers evaluate manufacturability within 12 hours.