Engineered to withstand extreme thermal gradients, aggressive plasma etch chemistries, and deep UV radiation tolerances.
Combining high-purity raw silica ingots with sub-micron CNC precision grinding, oxyhydrogen torch hand-welding, and cleanroom packaging under one operational ecosystem.
By leveraging domestic Chinese high-purity natural quartz sand and synthetic tetrachloride gas precursors, BY Photonics eliminates secondary markups while securing trace-element purity (Al < 15 ppm, Fe < 0.2 ppm) suitable for semiconductor diffusion tubes and plasma etch chambers.
Unlike conventional contract jobbers, our Tianjin facility combines oxyhydrogen automated glass blowers, precision tube redrawing lathes, 5-axis ultrasonic CNC milling centers, and double-sided planetary lapping wheels under a single engineering oversight line.
Every shipment is documented with complete spectrophotometer transmission curves, coordinate measuring machine (CMM) dimensional reports, thermal strain polariscope tests, and ultrasonic crack detection certificates to satisfy Western enterprise audits.
Selecting appropriate optical purities prevents hydroxyl-absorption (OH-) band collapse, deep-UV solarization, and destructive thermal shock.
| Material Classification | Transmission Band | OH Content | Max Working Temp | Primary Industrial Solutions |
|---|---|---|---|---|
| JGS1 Synthetic Fused Silica | 185 nm – 2500 nm (Deep DUV) | < 5 ppm / < 1200 ppm | 1100 °C | Excimer laser optics, lithography masks, analytical fluorescence cuvettes, QBH caps |
| JGS2 Fused Quartz (Natural) | 220 nm – 2500 nm (Standard UV-Vis) | < 30 ppm | 1150 °C | Semiconductor oxidation boats, wafer holders, furnace viewports, gas flow plates |
| JGS3 Infrared Optical Quartz | 260 nm – 3500 nm (SWIR - MWIR) | < 5 ppm (Water-free) | 1100 °C | Infrared pyrometry viewports, analytical gas spectrometry cells, IR heater tubes |
| Doped Laser Quartz (Sm/Ce) | Selective Filtering (Cutoff < 400nm) | Controlled | 1000 °C | Medical laser pump cavities, 1064nm parasitic oscillation suppressors, IPL filter tubes |
| Optical Single-Crystal Sapphire | 170 nm – 5500 nm (Extreme Broadband) | Anhydrous | 1800 °C | High-pressure plasma etch viewports, IPL aesthetic crystal blocks, abrasion guides |
Technological migrations across sub-3nm chip fabrication, solid-state laser pumping, and flow chemistry require updated ceramic and quartz solutions.
As microchip fabrication advances below 5nm and 3D NAND layers exceed 200 tiers, atomic layer deposition (ALD) and plasma-enhanced chemical vapor deposition (PECVD) require quartz components with zero micro-bubbles, pristine weld lines, and virtually zero metallic leaching.
Fiber lasers scaling toward 30kW to 100kW industrial output demand QBH end-caps, triple-bore laser cavities, and laser flow plates with laser damage thresholds (LDT) exceeding 15 J/cm² at 1064 nm to eliminate instantaneous localized thermal detonation.
Modern pharmaceutical synthesizers and microfluidic diagnostics are migrating from single-use borosilicate vials to continuous quartz flow micro-reactors. Quartz delivers complete chemical neutrality against hydrofluoric-excluded acids, coupled with unmatched UV transparency.
High-integrity laser chambers, multi-bore capillaries, and high-vacuum quartz carriers ready for factory installation.
Essential guidance for design engineers, optical physicists, and technical purchasing managers.