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Trusted by 800+ Labs Worldwide
From Standard to Custom — Quartz Optics & Cuvettes for Science
2,500+ stock items across cuvettes, capillaries, optical windows, sapphire & XRD holders. Direct from our precision-machining facility.
✓ ISO-grade quality
✓ 3–5 day shipping
✓ Worldwide delivery
Direct Manufacturer
Skip the middlemen, get factory pricing direct from our precision-machining facility.
Custom Geometry
Path lengths from 0.1 mm to 100 mm, any volume, any optical configuration.
Global Shipping
DHL/FedEx to 60+ countries, 3–5 day production for stock items.
Product Lines
Six Quartz & Sapphire Lines, One Manufacturer
Browse by what you need to build.
Cuvettes
1,351 products
Spectroscopy cells in quartz, glass & sapphire.
Standard · Micro · Fluorescence · Flow Cells
Browse →Quartz Capillaries
513 products
Precision-bore tubes for X-ray, NMR, microfluidics.
Round · Square · Inner-round/outer-square · Solid rods
Browse →Optical Windows & Plates
290 products
Polished quartz optical windows, plates, and discs.
Quartz plates · Discs · UV-grade · IR-grade
Browse →Sapphire Windows
100 products
Hard, scratch-resistant windows for harsh conditions.
Round · Square · High-temp · Scratch-resistant
Browse →XRD Specimen Holders
113 products
Zero-background & standard sample holders for XRD.
Rectangular · Round · Multi-cavity · Custom
Browse →Quartz Labware
133 products
Crucibles, beakers, boats, vials — high-purity fused quartz.
Crucibles · Boats · Beakers · Vials · Mortars
Browse →Materials & Capabilities
Five Materials, Five Capabilities
Pick the right material for your spectroscopy or process needs.
Standard 80 (glued)
Wavelength340–2500 nm
Best forUV-Vis routine, aqueous
≤ 90°C
Sintered 83
Wavelength200–2500 nm
Best forSolvents, acids, pharma
≤ 600°C
Molded 83
Wavelength170–2500 nm
Best forHigh temp, vacuum, IR
≤ 1200°C
Sapphire
Wavelength200–5500 nm
Best forExtreme conditions, IR
≤ 1900°C
CaF2
Wavelength130–9000 nm
Best forDeep UV / IR
≤ 800°C
Resources
Resource Center
Tools and guides to help you spec and order with confidence.
📐 Size Charts
🎯 Selection Guides
📊 Comparison & Education
✏️ Custom Fabrication
By Application
Pick by Application
Common use cases mapped to the right product line.
UV-Vis
Routine absorbance & concentration measurement.
Browse →Fluorescence
4-clear-window cuvettes for emission scans.
Browse →IR Spectroscopy
Sapphire & CaF2 windows for the IR range.
Browse →X-Ray Diffraction
Zero-background quartz holders for XRD scans.
Browse →High Temperature
Molded 83 & sapphire up to 1200°C+.
Browse →Strong-Acid Chemistry
Sintered 83 cuvettes resist solvents & acids.
Browse →Top Sellers
Best-Selling Cuvettes
Our most-ordered 10 mm path length cuvettes — from glass routine to molded high-temp.
Glass 10 mm Fluorescence Cuvette — Standard 80 (C104CS59)
From $17
Shop Now →Quartz 10 mm Standard 80 Cuvette (C104CA)
From $17
Shop Now →Quartz 10 mm Standard 80 2-Way (C102CQS)
From $17
Shop Now →Quartz 10 mm Sintered 83 Cuvette (C104CR3)
From $17
Shop Now →Quartz 10 mm Molded 83 Cuvette (C104CE1)
From $17
Shop Now →Quartz 10 mm Fluorescence Micro (C104WS4)
From $17
Shop Now →Why MachinedQuartz
Built for Scientists, Run by Machinists
From routine UV-Vis to extreme IR — one manufacturer, full vertical integration.
800+
Active customers worldwide
2,500+
Stock SKUs ready to ship
24h
Custom quote turnaround
15+ yrs
Quartz machining experience
Can’t find what you need?
We make custom quartz, sapphire, and CaF2 components from your drawing or specs. Most quotes back within 24 hours.
Resources
Latest from Our Lab
Guides, comparisons, and how-tos for spec’ing the right optic.
Guide
Path Length Guide (1 mm–100 mm)
How to choose the right cuvette path length for your concentration range.
Read →
Reference
Solvent Compatibility (38 Solvents)
Which cuvette type holds up to acetonitrile, DMSO, HF, and more.
Read →
Compare
Standard 80 vs Sintered vs Molded
When glued cells fail and sintered or molded is worth the upgrade.
Read →
Glossary
Fabrication Glossary
Quartz machining terms, grades, and optical specs explained.
Read →Ready to spec your project?
Talk to an engineer about path length, geometry, fabrication, or volume.
Contact Sales →