Premium UV fused silica laser windows engineered for high-power UV laser systems including excimer (193nm), Nd:YAG 4th harmonic (266nm) and 3rd harmonic (355nm). Optimized for maximum transmission and laser damage threshold.
| Material | UV Grade Fused Silica (high-OH, <1ppm impurities) |
| Transmission Range | 185 – 2,500 nm |
| Target Wavelengths | 193nm (ArF), 248nm (KrF), 266nm, 355nm |
| Diameter Range | 6mm – 150mm standard, custom to 300mm |
| Thickness Range | 1mm – 25mm |
| Surface Quality | 10-5 scratch-dig (MIL-PRF-13830B) |
| Surface Flatness | λ/10 @ 632.8nm |
| Coating | V-band AR @ 193/266/355nm, R<0.1% per surface |
| LIDT | > 5 J/cm² @ 355nm, 10ns; > 2 J/cm² @ 193nm, 20ns |
| Scatter | < 10 ppm total integrated scatter |
Select the optimal optical material based on your wavelength, power, thermal environment and mechanical requirements.
Coatings are engineered around your specific wavelength and operating conditions.
We optimize specifications to match your system requirements — not over-specify. Tighter tolerances increase cost without always improving system performance. Our engineers will work with you to identify which parameters actually matter for your application and where standard tolerances are sufficient. Typical manufacturing capabilities:
Every component undergoes 100% inspection before shipment. We provide full inspection documentation including interferometer reports, spectral transmission curves, surface quality images and dimensional measurement data. Equipment capabilities:
Solarization resistance: UV laser windows can develop color centers (solarization) over time, reducing transmission at the working wavelength. Use high-OH synthetic fused silica for 193nm to minimize this effect. For 355nm, standard UV-grade fused silica is usually sufficient.
Beam diameter and fluence: Always calculate fluence (J/cm²) from your pulse energy and beam diameter. Our coatings are rated for specific fluence ranges. Running near the damage threshold reduces coating lifetime significantly.
Window orientation: For polarized laser systems, consider Brewster-angle windows to eliminate reflection losses without coatings. This requires precise angle control in your mount.
The following documentation is available upon request for qualified engineering projects:
CAD & dimensional specs per your requirements
Material properties, transmission curves & certificates
Spectrophotometric measurement data
Surface quality, flatness, centration & dimensional data
CoC with full traceability per project requirements
Application-specific specification documentation
Documentation availability depends on project scope and order quantity. Request details during RFQ.
When requesting a quote for this product, please specify the following parameters to help our engineering team provide an accurate quotation:
Not sure about specifications? Upload your drawing and our team will assist with engineering review.
Contact us for exact pricing based on your specifications.
Specification Parameters
Typical Specifications shown on this page are standard capabilities. Available Options include alternative materials and coatings. Custom Specifications are available per your drawing. Requirements beyond standard capability are marked Subject to Engineering Review.
Upload your drawing or describe your specification. Our engineering team will review and respond within 24 hours.
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