Which glass and crystal materials can BY Photonics machine?

We machine JGS1 UV fused silica, JGS2 and JGS3 fused quartz, borosilicate glass, optical glass, optical color filter glass, infrared glass, samarium- and cerium-doped glass, sapphire, PTFE-based diffuse reflector material and laser ceramics.

What is the difference between JGS1, JGS2 and JGS3 quartz glass?

JGS1 is synthetic UV-grade fused silica with high transmission from about 185 nm. JGS2 is fused quartz for the visible range with good UV transmission from about 220 nm. JGS3 is infrared-grade fused quartz with low OH content that transmits up to about 3,500 nm.

Which drawing formats should I send for a custom part?

STEP, IGES, DWG, DXF or a dimensioned PDF are all accepted. Please include material, quantity, critical tolerances, surface quality, coating and the operating environment of the part.

How quickly will I receive engineering feedback?

Our engineers review complete drawings and return a manufacturability assessment within 24 hours on working days.

Do you support prototypes and export shipping?

Yes. We support prototype and low-volume orders as well as repeat batch production, and our components are shipped to customers worldwide.

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Material Intelligence

Global Industrial Landscape: The Role of Frosted Quartz Triple Bore Tubing

Frosted quartz triple bore structures represent the pinnacle of fused silica cold and hot processing, delivering simultaneous multiphase isolation, precise diffusion scattering, and thermal stability up to 1,200°C.

Controlled Surface Scattering

Micro-abrasive sandblasting and controlled hydrofluoric acid etching eliminate direct hot spots from flash lamps or high-intensity plasma. This guarantees 360-degree homogeneous diffuse irradiation into excitation media without thermal localized stress.

Multi-Lumen Structural Rigidity

Manufactured with high-purity synthetic JGS1, JGS2, or natural fused quartz, triple bore geometries allow simultaneous coolant circulation, flash lamp shielding, and laser gain medium isolation within a singular, monolithic envelope.

Thermal Shock Integrity

Possessing an exceptionally low coefficient of thermal expansion (5.5 × 10⁻⁷ /°C), our triple bore components withstand rapid thermal transitions from cryogenic coolant feeds to localized flash discharges exceeding 900°C without risk of micro-fracturing.

Process Engineering

Macro-Industry Solutions & Fabrication Roadmap

Overcoming concentricity drifting and dimensional tolerance failure through advanced redrawing and CNC ultrasonic milling.

PHASE 01: DRAWING & REDRAWING

Precision Preform Micro-Redrawing

Starting from certified fused quartz preforms, continuous thermal redrawing systems monitor internal bore cross-sections via laser triangulation sensors. This guarantees inner diameter tolerances within ±0.03mm across lengths up to 1,200mm.

PHASE 02: SELECTIVE SURFACE MODIFICATION

Differential Wet Frosted Finishing

Unlike rudimentary sandblasting that compromises compressive wall tensile strength, our differential acid-etch technique preserves wall hoop-strength while yielding an Ra of 1.2µm to 3.5µm, ideal for uniform optical scattering.

PHASE 03: METROLOGY & ANNEALING

Oxyhydrogen Stress Relief & Verification

Completed assemblies undergo 1,150°C controlled annealing profiles to eliminate residual mechanical stresses caused by ultrasonic boring and milling, achieving optical retardation values below 5nm/cm verified via cross-polarizers.

Operational Benchmarks

Tianjin BY Photonics Manufacturing Capacities

High-capacity facility serving laser OEMs, semiconductor equipment builders, and scientific researchers worldwide.

15+

Years Specialized Fabrication Since 2010

±0.02

Bore Tolerance Precision (mm)

120+

CNC, Redrawing & Ultrasonic Centers

< 24h

Engineering Drawing Review Turnaround

Direct Answers

Frequently Asked Questions: Multi-Bore Quartz Sourcing

In-depth insights into custom bore configurations, material grades, and tolerances for system integrators.

What are the key functional advantages of using frosted quartz in triple bore tubes?

Frosted surfaces diffuse intense concentrated light from flashlamps or UV excitation lamps, preventing intense hot-spot emission from damaging solid-state laser crystals or sensitive fluidic streams. Additionally, frosting homogenizes pump chamber light fields while maintaining total optical input efficiency.

How does BY Photonics maintain bore parallelity and wall thickness across lengths up to 500mm?

We employ precision glass preform redrawing machines along with multi-axis CNC ultrasonic core drilling. In-process laser micrometers monitor outside and inside lumen geometries continuously, preventing concentricity run-outs and keeping wall deviation within 3% of nominal parameters.

What material grade options exist for custom triple bore configurations?

We fabricate products using high-purity synthetic fused silica (JGS1, equivalent to Suprasil) for high UV transparency down to 185 nm, optical-grade fused quartz (JGS2) for visible and aesthetic laser applications, and low-OH electric-fused quartz (JGS3) for infrared applications up to 3,500 nm. Cerium-doped and samarium-doped options are also machined directly in-house.

Can specific bores remain optically polished while the outer surface is frosted?

Yes. Utilizing custom sealing jigs and selective chemical vapor or mechanical sandblasting barriers, we can supply triple bore tubing featuring fully polished internal channels to ensure low-drag laminar fluid flow while frosting solely the exterior perimeter.

What documentation is supplied with custom quartz tube orders?

Every production lot includes dimensional inspection protocols (CMM/optical coordinate measurement), material composition and transmission spectrum certificates, and polarimetric stress-relief reports upon specification.

Industrial Components