Laser Protective Window
- Professional Laser Protective Window Manufacturer
- Made from fused silica or N-BK7 with competitive pricing
- Excellent optical performance and thermal stability
- Custom sizes and coatings available
Description
Laser Protective Window is a high-performance optical component designed for industrial laser systems. It is commonly made of fused silica, offering excellent optical transmission, high laser damage resistance, and outstanding thermal stability for high-power laser applications.
For cost-sensitive laser applications, N-BK7 material is also available, providing reliable optical performance with a more economical solution. Manufactured with high surface quality and precision polishing, our laser protective windows ensure minimal beam distortion and stable laser transmission.
Specifications
| Material： | Fused Silica，N-BK7,H-K9L,JGS1,JGS2 |
| Diameter Tolerance: | +0.0/-0.2mm |
| Thickness Tolerance: | ±0.2mm/±0.005 |
| Clear Aperture: | >85%,>95% |
| Parallelism: | 3 min ,10sec |
| Surface Quality: | 60-40,10-5 |
| Flatness: | λ /2 , λ/8 , λ/10 |
| Coating: | AR |
Specifications
| Specification | Value |
|---|---|
| Material | Fused Silica |
| Diameter Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Clear Aperture | >80% |
| Parallelism | <1 arc minute |
| Surface Quality | 60-40 |
| Flatness | <λ @ 633nm per 25mm |
| Bevel Protective | <0.5mm × 45° |
| Coating | Both sides AR coated for YAG laser, R<0.25%@1028-1064nm per surface, AOI 0deg |
| Damage Threshold | >15J/cm², 20ns, 20Hz, @1064nm |
| Module | Diameter（mm） | Thickness（mm） | Coating Wavelength(nm) |
|---|---|---|---|
| E-LP-20-1.0 | 20 | 1 | 1028-1064 |
| E-LP-20-3.0 | 20 | 3 | 1028-1064 |
| E-LP-21.5-2.0 | 21.5 | 2 | 1028-1064 |
| E-LP-22.35-4.0 | 22.35 | 4 | 1028-1064 |
| E-LP-25-1.0 | 25 | 1 | 1028-1064 |
| E-LP-25-4.0 | 25 | 4 | 1028-1064 |
| E-LP-30-1.5 | 30 | 1.5 | 1028-1064 |
| E-LP-30-2.0 | 30 | 2 | 1028-1064 |
| E-LP-30-3.0 | 30 | 3 | 1028-1064 |
| E-LP-30-6.0 | 30 | 6 | 1028-1064 |
| E-LP-38-3.0 | 38 | 3 | 1028-1064 |
| E-LP-50-1.0 | 50 | 1 | 1028-1064 |
| E-LP-50-2.0 | 50 | 2 | 1028-1064 |
| E-LP-50-3.0 | 50 | 3 | 1028-1064 |
| E-LP-50.8-1.5 | 50.8 | 1.5 | 1028-1064 |
| E-LP-55-1.0 | 55 | 1 | 1028-1064 |
| E-LP-55-1.5 | 55 | 1.5 | 1028-1064 |
| E-LP-55-2.0 | 55 | 2 | 1028-1064 |
| E-LP-134-3 | 134 | 3 | 1028-1064 |
FAQs
1. What is your MOQ for laser window?
Our standard MOQ is 50 pieces for regular production.
For small orders (≤50 pcs), we can still accept production and provide full inspection reports and measurement data for each piece upon request.
2. Do you support small batch or prototype orders?
Yes. We support small batch and prototype production for testing and evaluation before mass production.
3. What is your production lead time?
- Standard polished fused silica windows: 4–5 weeks
- Coated optical windows (AR / HR): 5–6 weeks, depending on coating type and specifications
4. Do you provide inspection reports?
Yes. We provide quality inspection reports based on order quantity:
- ≤50 pcs: Full inspection data for each piece available
- 100–1,000 pcs: 5%–10% random sampling inspection reports
- >1,000 pcs: 0.5% sampling inspection reports
All inspection data includes dimensional and surface quality parameters.
5. What coating options are available?
We offer:
- Anti-Reflection (AR) coatings
- High-Reflection (HR) coatings
- Broadband coatings
- Custom wavelength coatings (UV / Visible / IR)
6. Can you manufacture custom sizes and shapes?
Yes. We support OEM manufacturing according to drawings.
Available shapes include:
- Round
- Square
- Rectangular
- Stepped
- Wedged
- Drilled / special structures
7. What quality certifications do you have?
We are certified under international quality management systems, including:
- ISO 9001 Quality Management System
- IATF 16949 Automotive Quality System
- Good Standardization Practices Certification
We also apply strict internal quality control processes, including dimensional inspection, surface quality testing, and coating performance verification before shipment.
