Engineered to exact sub-nanometer specifications. Review high-performance components manufactured at our Tianjin facility.
A rigorous cold-working process engineered to overcome subsurface damage (SSD), non-linear wedge angle errors, and thermal stress in demanding industrial optics.
Utilizing high-precision kinematic carriers with computerized slurry distribution (cerium oxide, diamond micro-suspensions), our double-sided planar lapping ensures synchronized material removal. This achieves parallelisms under ≤ 1 arcsec and thickness tolerances of ±0.001 mm across large plate diameters.
Micro-cracks introduced during abrasive sawing degrade the Laser-Induced Damage Threshold (LIDT). Our sequential lapping protocol progresses down to 0.5 µm grit sizes, effectively etching out residual lattice strain and ensuring structural robustness for high-vacuum, high-heat applications.
Every lapped plate undergoes Zygo GPI Phase-Shifting Interferometry testing. We quantify Peak-to-Valley (PV) flatness (λ/10 to λ/20 @ 632.8 nm) and verify surface roughness (Ra < 0.2 nm for superpolished iterations) with certified calibration data sheets included.
Strategic geographic clustering, complete vertical supply chains, and advanced optoelectronic processing deliver exceptional cost-to-performance efficiency.
By Photonics sources directly from leading Chinese synthesis hubs producing top-tier JGS1 (Synthetic UV Quartz), JGS2 (Optical Grade), and JGS3 (Low-OH Infrared Quartz). This uncompromised pipeline eliminates raw material import markups, passing pure cost benefits directly to OEM buyers.
Unlike regional brokers who contract out lapping and CNC slicing to separate vendors, our 3,000 m² production site houses precision diamond wire saws, multi-spindle grinding tables, ultrasonic glass CNC machines, and Class 1,000 cleanroom packaging within a single traceable workflow.
Staffed by over 110 skilled glass specialists, our engineering department reviews dimensional GD&T drawings within 24 hours. We offer fast prototype iteration (often within 5-7 business days) before scaling seamlessly to volume procurement in the tens of thousands.
Review the physical, mechanical, and spectral distinctions between JGS1, JGS2, JGS3, and specialty crystals to match your exact thermal and optical envelope.
| Material Designation | Transmission Bandwidth | Hydroxyl [OH⁻] Content | Thermal Coeff. (CTE) | Typical Critical Application |
|---|---|---|---|---|
| JGS1 (Synthetic Fused Silica) | 185 nm – 2,500 nm | ≤ 1200 ppm | 5.5 × 10⁻⁷ / °C | Excimer laser optics, Deep UV lithography windows, DUV wafer carriers |
| JGS2 (Electric-Fused Quartz) | 220 nm – 2,500 nm | ≤ 30 ppm | 5.4 × 10⁻⁷ / °C | High-temp sight viewports, optical windows, laboratory wear plates |
| JGS3 (Gas-Fused / IR Quartz) | 260 nm – 3,500 nm | ≤ 5 ppm | 5.5 × 10⁻⁷ / °C | SWIR/MWIR laser systems, optical sensor housings, thermal heating shields |
| Synthetic Optical Sapphire (Al₂O₃) | 170 nm – 5,500 nm | N/A (Anisotropic Crystal) | 5.8 × 10⁻⁶ / °C | Extreme wear viewports, harsh abrasive/HF media, cryogenic cell covers |
| Borosilicate (Float/Crown Glass) | 350 nm – 2,500 nm | N/A | 3.3 × 10⁻⁶ / °C | Cost-effective analytical viewport plates, cover slips, fluidic substrates |
How custom lapped quartz plates resolve systemic mechanical, thermal, and optical challenges across advanced manufacturing sectors.
In plasma-enhanced chemical vapor deposition (PECVD) and sub-micron dry etch chambers, lapped quartz plates serve as high-purity chuck covers, electrostatic clamp liners, and diffusion wafer carriers. Their chemical inertia prevents trace metal particle contamination and withstands aggressive halogen gases.
High-power solid-state, fiber, and aesthetic lasers require optical flow plates and protective exit windows capable of withstanding massive CW peak-pulse energies. With damage thresholds exceeding 10 J/cm² @ 1064 nm (10 ns pulse), our lapped plates prevent thermal bloom and self-focusing distortions.
Analytical systems depend on planar fused silica substrates for zero auto-fluorescence. In laser-induced fluorescence (LIF), capillary electrophoresis, and UV-Vis spectroscopy, precise lapping delivers consistent optical paths with zero aberration, accelerating drug discovery and biological screening.
Navigating geopolitical shifts, rising dimensional demands, and near-zero-defect expectations for tier-one international supply chains.
Fluctuating energy markets and export restrictions have made raw quartz access a critical procurement vulnerability. Tianjin BY Photonics maintains strategic rolling buffers of raw JGS1, JGS2, and JGS3 boules, guaranteeing lead-time stability for our partners in North America, Europe, and Asia-Pacific.
Global procurement teams demand full regulatory compliance. Every shipment leaving our facility is certified with raw material chemical assay traces (ICP-MS reports), spectrophotometer transmission scans, interferometric surface reports, and complete Certificate of Conformance (CoC) documents.
High-precision lapped plates are prone to surface contamination during transit. We utilize multi-stage ultrasonic deionized water baths, Class 100 HEPA dry-down, and vacuum packaging inside antistatic wafer pods with tamper-evident, impact-cushioned export crating.
Clear, direct answers regarding fabrication limits, design tolerances, and export workflows from our senior optical manufacturing engineers.
Explore customized sapphire viewing plates, semiconductor wafer boats, groove couplers, and optical components manufactured to exact prints.