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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

1λ UV Fused Silica Windows

TECHSPEC® 1λ UV Fused Silica Windows

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  • Available Uncoated or with Broadband Anti-Reflection Coatings
  • Ideal for Cost Sensitive Broadband Applications
  • Circular and Square Sizes from 5mm to 100mm
  •  λ/4 or λ/10 UV Fused Silica Windows Also Available

TECHSPEC® 1λ UV Fused Silica Windows are precision manufactured using UV-grade synthetic fused silica. In addition to superior transmission, the synthetic fused silica of these optical windows exhibits higher thermal properties, exceptional purity, and excellent environmental durability for demanding applications. The windows are ideal for cost-sensitive broadband applications and are available uncoated or with broadband anti-reflection coatings. TECHSPEC® 1λ UV Fused Silica Windows have circular and square sizes ranging from 5mm to 100mm. λ/4 or λ/10 UV Fused Silica Windows are also available. 

Note: New additions to this product family may be specified with a transmitted wavefront distortion (TWD) specification instead of a surface flatness. For more information on the difference between these two specifications, see our application note on Understanding Optical Windows

Common Specifications

Bevel:
Protective as needed
Clear Aperture (%):
90
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
522
Poisson's Ratio:
0.16
Young's Modulus (GPa):
73
Abbe Number (vd):
67.8
Index of Refraction (nd):
1.458
Surface Quality:
60-40
Coefficient of Thermal Expansion CTE (10-6/°C):
0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)
Density (g/cm3):
2.20

Products

Dia. (mm)  Dimensions (mm)   Thickness (mm)   Coating   Compare  Stock Number  Price Buy
5.00 - 1.00 Uncoated
5.00 - 1.00 UV-AR (250-425nm)
5.00 - 1.00 UV-VIS (250-700nm)
5.00 - 1.00 VIS-EXT (350-700nm)
5.00 - 1.00 MgF2 (400-700nm)
5.00 - 1.00 VIS 0° (425-675nm)
5.00 - 1.00 VIS-NIR (400-1000nm)
5.00 - 1.00 YAG-BBAR (500-1100nm)
5.00 - 1.00 NIR I (600-1050nm)
5.00 - 1.00 NIR II (750-1550nm)
10.00 - 1.00 Uncoated
10.00 - 1.00 UV-AR (250-425nm)
10.00 - 1.00 UV-VIS (250-700nm)
10.00 - 1.00 VIS-EXT (350-700nm)
10.00 - 1.00 MgF2 (400-700nm)
10.00 - 1.00 VIS 0° (425-675nm)
10.00 - 1.00 VIS-NIR (400-1000nm)
10.00 - 1.00 YAG-BBAR (500-1100nm)
10.00 - 1.00 NIR I (600-1050nm)
10.00 - 1.00 NIR II (750-1550nm)
12.50 - 1.00 Uncoated
12.50 - 1.00 UV-AR (250-425nm)
12.50 - 1.00 UV-VIS (250-700nm)
12.50 - 1.00 VIS-EXT (350-700nm)
12.50 - 1.00 MgF2 (400-700nm)
12.50 - 1.00 VIS 0° (425-675nm)
12.50 - 1.00 VIS-NIR (400-1000nm)
12.50 - 1.00 YAG-BBAR (500-1100nm)
12.50 - 1.00 NIR I (600-1050nm)
12.50 - 1.00 NIR II (750-1550nm)
12.50 - 2.00 Uncoated
12.50 - 2.00 UV-AR (250-425nm)
12.50 - 2.00 UV-VIS (250-700nm)
12.50 - 2.00 VIS-EXT (350-700nm)
12.50 - 2.00 MgF2 (400-700nm)
12.50 - 2.00 VIS 0° (425-675nm)
12.50 - 2.00 VIS-NIR (400-1000nm)
12.50 - 2.00 YAG-BBAR (500-1100nm)
12.50 - 2.00 NIR I (600-1050nm)
12.50 - 2.00 NIR II (750-1550nm)
- 12.50 x 12.50 2.00 Uncoated
- 12.50 x 12.50 2.00 UV-AR (250-425nm)
- 12.50 x 12.50 2.00 UV-VIS (250-700nm)
- 12.50 x 12.50 2.00 VIS-EXT (350-700nm)
- 12.50 x 12.50 2.00 MgF2 (400-700nm)
- 12.50 x 12.50 2.00 VIS 0° (425-675nm)
- 12.50 x 12.50 2.00 VIS-NIR (400-1000nm)
- 12.50 x 12.50 2.00 YAG-BBAR (500-1100nm)
- 12.50 x 12.50 2.00 NIR I (600-1050nm)
- 12.50 x 12.50 2.00 NIR II (750-1550nm)
- 12.50 x 17.50 2.00 Uncoated
12.70 - 2.00 Uncoated
12.70 - 2.00 UV-AR (250-425nm)
12.70 - 2.00 UV-VIS (250-700nm)
12.70 - 2.00 VIS-EXT (350-700nm)
12.70 - 2.00 MgF2 (400-700nm)
12.70 - 2.00 VIS 0° (425-675nm)
12.70 - 2.00 VIS-NIR (400-1000nm)
12.70 - 2.00 YAG-BBAR (500-1100nm)
12.70 - 2.00 NIR I (600-1050nm)
12.70 - 2.00 NIR II (750-1550nm)
15.00 - 1.00 Uncoated
15.00 - 1.00 UV-AR (250-425nm)
15.00 - 1.00 UV-VIS (250-700nm)
15.00 - 1.00 VIS-EXT (350-700nm)
15.00 - 1.00 MgF2 (400-700nm)
15.00 - 1.00 VIS 0° (425-675nm)
15.00 - 1.00 VIS-NIR (400-1000nm)
15.00 - 1.00 YAG-BBAR (500-1100nm)
15.00 - 1.00 NIR I (600-1050nm)
15.00 - 1.00 NIR II (750-1550nm)
15.00 - 2.00 Uncoated
15.00 - 2.00 UV-AR (250-425nm)
15.00 - 2.00 UV-VIS (250-700nm)
15.00 - 2.00 VIS-EXT (350-700nm)
15.00 - 2.00 MgF2 (400-700nm)
15.00 - 2.00 VIS 0° (425-675nm)
15.00 - 2.00 VIS-NIR (400-1000nm)
15.00 - 2.00 YAG-BBAR (500-1100nm)
15.00 - 2.00 NIR I (600-1050nm)
15.00 - 2.00 NIR II (750-1550nm)
20.00 - 1.00 Uncoated
20.00 - 1.00 UV-AR (250-425nm)
20.00 - 1.00 UV-VIS (250-700nm)
20.00 - 1.00 VIS-EXT (350-700nm)
20.00 - 1.00 MgF2 (400-700nm)
20.00 - 1.00 VIS 0° (425-675nm)
20.00 - 1.00 VIS-NIR (400-1000nm)
20.00 - 1.00 YAG-BBAR (500-1100nm)
20.00 - 1.00 NIR I (600-1050nm)
20.00 - 1.00 NIR II (750-1550nm)
20.00 - 2.00 Uncoated
20.00 - 2.00 UV-AR (250-425nm)
20.00 - 2.00 UV-VIS (250-700nm)
20.00 - 2.00 VIS-EXT (350-700nm)
20.00 - 2.00 MgF2 (400-700nm)
20.00 - 2.00 VIS 0° (425-675nm)
20.00 - 2.00 VIS-NIR (400-1000nm)
20.00 - 2.00 YAG-BBAR (500-1100nm)
20.00 - 2.00 NIR I (600-1050nm)
20.00 - 2.00 NIR II (750-1550nm)
25.00 - 1.00 Uncoated
25.00 - 1.00 UV-AR (250-425nm)
25.00 - 1.00 UV-VIS (250-700nm)
25.00 - 2.00 VIS-EXT (350-700nm)
25.00 - 1.00 MgF2 (400-700nm)
25.00 - 1.00 VIS 0° (425-675nm)
25.00 - 1.00 VIS-NIR (400-1000nm)
25.00 - 2.00 YAG-BBAR (500-1100nm)
25.00 - 1.00 NIR I (600-1050nm)
25.00 - 1.00 NIR II (750-1550nm)
25.00 - 2.00 Uncoated
25.00 - 2.00 UV-AR (250-425nm)
25.00 - 2.00 UV-VIS (250-700nm)
25.00 - 1.00 VIS-EXT (350-700nm)
25.00 - 2.00 MgF2 (400-700nm)
25.00 - 2.00 VIS 0° (425-675nm)
25.00 - 2.00 VIS-NIR (400-1000nm)
25.00 - 1.00 YAG-BBAR (500-1100nm)
25.00 - 2.00 NIR I (600-1050nm)
25.00 - 2.00 NIR II (750-1550nm)
25.00 - 3.00 Uncoated
25.00 - 3.00 UV-AR (250-425nm)
25.00 - 3.00 UV-VIS (250-700nm)
25.00 - 3.00 VIS-EXT (350-700nm)
25.00 - 3.00 MgF2 (400-700nm)
25.00 - 3.00 VIS 0° (425-675nm)
25.00 - 3.00 VIS-NIR (400-1000nm)
25.00 - 3.00 YAG-BBAR (500-1100nm)
25.00 - 3.00 NIR I (600-1050nm)
25.00 - 3.00 NIR II (750-1550nm)
25.00 - 4.00 Uncoated
25.00 - 4.00 UV-AR (250-425nm)
25.00 - 4.00 UV-VIS (250-700nm)
25.00 - 4.00 VIS-EXT (350-700nm)
25.00 - 4.00 MgF2 (400-700nm)
25.00 - 4.00 VIS 0° (425-675nm)
25.00 - 4.00 VIS-NIR (400-1000nm)
25.00 - 4.00 YAG-BBAR (500-1100nm)
25.00 - 4.00 NIR I (600-1050nm)
25.00 - 4.00 NIR II (750-1550nm)
25.00 - 5.00 Uncoated
25.00 - 5.00 UV-AR (250-425nm)
25.00 - 5.00 UV-VIS (250-700nm)
25.00 - 5.00 VIS-EXT (350-700nm)
25.00 - 5.00 MgF2 (400-700nm)
25.00 - 5.00 VIS 0° (425-675nm)
25.00 - 5.00 VIS-NIR (400-1000nm)
25.00 - 5.00 YAG-BBAR (500-1100nm)
25.00 - 5.00 NIR I (600-1050nm)
25.00 - 5.00 NIR II (750-1550nm)
- 25.00 x 25.00 2.00 Uncoated
- 25.00 x 25.00 2.00 UV-AR (250-425nm)
- 25.00 x 25.00 2.00 UV-VIS (250-700nm)
- 25.00 x 25.00 2.00 VIS-EXT (350-700nm)
- 25.00 x 25.00 2.00 MgF2 (400-700nm)
- 25.00 x 25.00 2.00 VIS 0° (425-675nm)
- 25.00 x 25.00 2.00 VIS-NIR (400-1000nm)
- 25.00 x 25.00 2.00 YAG-BBAR (500-1100nm)
- 25.00 x 25.00 2.00 NIR I (600-1050nm)
- 25.00 x 25.00 2.00 NIR II (750-1550nm)
- 25.00 x 35.00 3.00 Uncoated
25.40 - 1.00 Uncoated
25.40 - 1.00 UV-AR (250-425nm)
25.40 - 1.00 UV-VIS (250-700nm)
25.40 - 1.00 VIS-EXT (350-700nm)
25.40 - 1.00 MgF2 (400-700nm)
25.40 - 1.00 VIS 0° (425-675nm)
25.40 - 1.00 VIS-NIR (400-1000nm)
25.40 - 1.00 YAG-BBAR (500-1100nm)
25.40 - 1.00 NIR I (600-1050nm)
25.40 - 1.00 NIR II (750-1550nm)
25.40 - 2.00 Uncoated
25.40 - 2.00 UV-AR (250-425nm)
25.40 - 2.00 UV-VIS (250-700nm)
25.40 - 2.00 VIS-EXT (350-700nm)
25.40 - 2.00 MgF2 (400-700nm)
25.40 - 2.00 VIS 0° (425-675nm)
25.40 - 2.00 VIS-NIR (400-1000nm)
25.40 - 2.00 YAG-BBAR (500-1100nm)
25.40 - 2.00 NIR I (600-1050nm)
25.40 - 2.00 NIR II (750-1550nm)
25.40 - 3.00 Uncoated
25.40 - 3.00 UV-AR (250-425nm)
25.40 - 3.00 UV-VIS (250-700nm)
25.40 - 3.00 VIS-EXT (350-700nm)
25.40 - 3.00 MgF2 (400-700nm)
25.40 - 3.00 VIS 0° (425-675nm)
25.40 - 3.00 VIS-NIR (400-1000nm)
25.40 - 3.00 YAG-BBAR (500-1100nm)
25.40 - 3.00 NIR I (600-1050nm)
25.40 - 3.00 NIR II (750-1550nm)
25.40 - 4.00 Uncoated
25.40 - 4.00 UV-AR (250-425nm)
25.40 - 4.00 UV-VIS (250-700nm)
25.40 - 4.00 VIS-EXT (350-700nm)
25.40 - 4.00 MgF2 (400-700nm)
25.40 - 4.00 VIS 0° (425-675nm)
25.40 - 4.00 VIS-NIR (400-1000nm)
25.40 - 4.00 YAG-BBAR (500-1100nm)
25.40 - 4.00 NIR I (600-1050nm)
25.40 - 4.00 NIR II (750-1550nm)
25.40 - 5.00 Uncoated
25.40 - 5.00 UV-AR (250-425nm)
25.40 - 5.00 UV-VIS (250-700nm)
25.40 - 5.00 VIS-EXT (350-700nm)
25.40 - 5.00 MgF2 (400-700nm)
25.40 - 5.00 VIS 0° (425-675nm)
25.40 - 5.00 VIS-NIR (400-1000nm)
25.40 - 5.00 YAG-BBAR (500-1100nm)
25.40 - 5.00 NIR I (600-1050nm)
25.40 - 5.00 NIR II (750-1550nm)
30.00 - 1.00 Uncoated
30.00 - 1.00 UV-AR (250-425nm)
30.00 - 1.00 UV-VIS (250-700nm)
30.00 - 1.00 VIS-EXT (350-700nm)
30.00 - 1.00 MgF2 (400-700nm)
30.00 - 1.00 VIS 0° (425-675nm)
30.00 - 1.00 VIS-NIR (400-1000nm)
30.00 - 1.00 YAG-BBAR (500-1100nm)
30.00 - 1.00 NIR I (600-1050nm)
30.00 - 1.00 NIR II (750-1550nm)
30.00 - 3.00 Uncoated
30.00 - 3.00 UV-AR (250-425nm)
30.00 - 3.00 UV-VIS (250-700nm)
30.00 - 3.00 VIS-EXT (350-700nm)
30.00 - 3.00 MgF2 (400-700nm)
30.00 - 3.00 VIS 0° (425-675nm)
30.00 - 3.00 VIS-NIR (400-1000nm)
30.00 - 3.00 YAG-BBAR (500-1100nm)
30.00 - 3.00 NIR I (600-1050nm)
30.00 - 3.00 NIR II (750-1550nm)
- 35.00 x 50.00 4.00 Uncoated
40.00 - 1.00 Uncoated
40.00 - 1.00 UV-AR (250-425nm)
40.00 - 1.00 UV-VIS (250-700nm)
40.00 - 1.00 VIS-EXT (350-700nm)
40.00 - 1.00 MgF2 (400-700nm)
40.00 - 1.00 VIS 0° (425-675nm)
40.00 - 1.00 VIS-NIR (400-1000nm)
40.00 - 1.00 YAG-BBAR (500-1100nm)
40.00 - 1.00 NIR I (600-1050nm)
40.00 - 1.00 NIR II (750-1550nm)
40.00 - 4.00 Uncoated
40.00 - 4.00 UV-AR (250-425nm)
40.00 - 4.00 UV-VIS (250-700nm)
40.00 - 4.00 VIS-EXT (350-700nm)
40.00 - 4.00 MgF2 (400-700nm)
40.00 - 4.00 VIS 0° (425-675nm)
40.00 - 4.00 VIS-NIR (400-1000nm)
40.00 - 4.00 YAG-BBAR (500-1100nm)
40.00 - 4.00 NIR I (600-1050nm)
40.00 - 4.00 NIR II (750-1550nm)
50.00 - 1.00 Uncoated
50.00 - 1.00 UV-AR (250-425nm)
50.00 - 1.00 UV-VIS (250-700nm)
50.00 - 1.00 VIS-EXT (350-700nm)
50.00 - 1.00 MgF2 (400-700nm)
50.00 - 1.00 VIS 0° (425-675nm)
50.00 - 5.00 NIR II (750-1550nm)
50.00 - 1.00 VIS-NIR (400-1000nm)
50.00 - 1.00 YAG-BBAR (500-1100nm)
50.00 - 5.00 NIR I (600-1050nm)
50.00 - 2.00 Uncoated
50.00 - 2.00 UV-AR (250-425nm)
50.00 - 2.00 UV-VIS (250-700nm)
50.00 - 2.00 VIS-EXT (350-700nm)
50.00 - 2.00 MgF2 (400-700nm)
50.00 - 2.00 VIS 0° (425-675nm)
50.00 - 2.00 VIS-NIR (400-1000nm)
50.00 - 2.00 YAG-BBAR (500-1100nm)
50.00 - 1.00 NIR I (600-1050nm)
50.00 - 1.00 NIR II (750-1550nm)
50.00 - 3.00 Uncoated
50.00 - 3.00 UV-AR (250-425nm)
50.00 - 3.00 UV-VIS (250-700nm)
50.00 - 3.00 VIS-EXT (350-700nm)
50.00 - 3.00 MgF2 (400-700nm)
50.00 - 3.00 VIS 0° (425-675nm)
50.00 - 3.00 VIS-NIR (400-1000nm)
50.00 - 3.00 YAG-BBAR (500-1100nm)
50.00 - 2.00 NIR I (600-1050nm)
50.00 - 2.00 NIR II (750-1550nm)
50.00 - 4.00 Uncoated
50.00 - 4.00 UV-AR (250-425nm)
50.00 - 4.00 UV-VIS (250-700nm)
50.00 - 4.00 VIS-EXT (350-700nm)
50.00 - 4.00 MgF2 (400-700nm)
50.00 - 4.00 VIS 0° (425-675nm)
50.00 - 4.00 VIS-NIR (400-1000nm)
50.00 - 4.00 YAG-BBAR (500-1100nm)
50.00 - 3.00 NIR I (600-1050nm)
50.00 - 3.00 NIR II (750-1550nm)
50.00 - 5.00 Uncoated
50.00 - 5.00 UV-AR (250-425nm)
50.00 - 5.00 UV-VIS (250-700nm)
50.00 - 5.00 VIS-EXT (350-700nm)
50.00 - 5.00 MgF2 (400-700nm)
50.00 - 5.00 VIS 0° (425-675nm)
50.00 - 5.00 VIS-NIR (400-1000nm)
50.00 - 5.00 YAG-BBAR (500-1100nm)
50.00 - 4.00 NIR I (600-1050nm)
50.00 - 4.00 NIR II (750-1550nm)
- 50.00 x 50.00 4.00 Uncoated
- 50.00 x 50.00 4.00 UV-AR (250-425nm)
- 50.00 x 50.00 4.00 UV-VIS (250-700nm)
- 50.00 x 50.00 4.00 VIS-EXT (350-700nm)
- 50.00 x 50.00 4.00 MgF2 (400-700nm)
- 50.00 x 50.00 4.00 VIS 0° (425-675nm)
- 50.00 x 50.00 4.00 VIS-NIR (400-1000nm)
- 50.00 x 50.00 4.00 YAG-BBAR (500-1100nm)
- 50.00 x 50.00 4.00 NIR I (600-1050nm)
- 50.00 x 50.00 4.00 NIR II (750-1550nm)
50.80 - 1.00 Uncoated
50.80 - 1.00 UV-AR (250-425nm)
50.80 - 1.00 UV-VIS (250-700nm)
50.80 - 1.00 VIS-EXT (350-700nm)
50.80 - 1.00 MgF2 (400-700nm)
50.80 - 1.00 VIS 0° (425-675nm)
50.80 - 1.00 VIS-NIR (400-1000nm)
50.80 - 1.00 YAG-BBAR (500-1100nm)
50.80 - 1.00 NIR I (600-1050nm)
50.80 - 1.00 NIR II (750-1550nm)
50.80 - 2.00 Uncoated
50.80 - 2.00 UV-AR (250-425nm)
50.80 - 2.00 UV-VIS (250-700nm)
50.80 - 2.00 VIS-EXT (350-700nm)
50.80 - 2.00 MgF2 (400-700nm)
50.80 - 2.00 VIS 0° (425-675nm)
50.80 - 2.00 VIS-NIR (400-1000nm)
50.80 - 2.00 YAG-BBAR (500-1100nm)
50.80 - 2.00 NIR I (600-1050nm)
50.80 - 2.00 NIR II (750-1550nm)
50.80 - 3.00 Uncoated
50.80 - 3.00 UV-AR (250-425nm)
50.80 - 3.00 UV-VIS (250-700nm)
50.80 - 3.00 VIS-EXT (350-700nm)
50.80 - 3.00 MgF2 (400-700nm)
50.80 - 3.00 VIS 0° (425-675nm)
50.80 - 3.00 VIS-NIR (400-1000nm)
50.80 - 3.00 YAG-BBAR (500-1100nm)
50.80 - 3.00 NIR I (600-1050nm)
50.80 - 3.00 NIR II (750-1550nm)
50.80 - 4.00 Uncoated
50.80 - 4.00 UV-AR (250-425nm)
50.80 - 4.00 UV-VIS (250-700nm)
50.80 - 4.00 VIS-EXT (350-700nm)
50.80 - 4.00 MgF2 (400-700nm)
50.80 - 4.00 VIS 0° (425-675nm)
50.80 - 4.00 VIS-NIR (400-1000nm)
50.80 - 4.00 YAG-BBAR (500-1100nm)
50.80 - 4.00 NIR I (600-1050nm)
50.80 - 4.00 NIR II (750-1550nm)
50.80 - 5.00 Uncoated
50.80 - 5.00 UV-AR (250-425nm)
50.80 - 5.00 UV-VIS (250-700nm)
50.80 - 5.00 VIS-EXT (350-700nm)
50.80 - 5.00 MgF2 (400-700nm)
50.80 - 5.00 VIS 0° (425-675nm)
50.80 - 5.00 VIS-NIR (400-1000nm)
50.80 - 5.00 YAG-BBAR (500-1100nm)
50.80 - 5.00 NIR I (600-1050nm)
50.80 - 5.00 NIR II (750-1550nm)
75.00 - 5.00 Uncoated
- 75.00 x 75.00 5.00 Uncoated
75.00 - 5.00 VIS-EXT (350-700nm)
75.00 - 5.00 MgF2 (400-700nm)
75.00 - 5.00 YAG-BBAR (500-1100nm)
- 100.00 x 100.00 5.00 Uncoated
100.00 - 8.00 Uncoated
100.00 - 8.00 UV-AR (250-425nm)
100.00 - 8.00 UV-VIS (250-700nm)
100.00 - 8.00 MgF2 (400-700nm)
100.00 - 8.00 VIS 0° (425-675nm)
100.00 - 8.00 VIS-NIR (400-1000nm)
100.00 - 8.00 VIS-EXT (350-700nm)
100.00 - 8.00 NIR II (750-1550nm)
100.00 - 8.00 NIR I (600-1050nm)
100.00 - 8.00 YAG-BBAR (500-1100nm)

Technical Information

UV FS Transmission Curve
UV FS Transmission Curve
FUSED SILICA

Typical transmission of a 3mm thick, uncoated fused silica window across the UV - NIR spectra.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with MgF2 (400-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 1.75% @ 400 - 700nm (N-BK7)

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with UV-AR (250-425nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.0% @ 250 - 425nm
Ravg ≤ 0.75% @ 250 - 425nm
Ravg ≤ 0.5% @ 370 - 420nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with UV-VIS (250-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.0% @ 350 - 450nm
Ravg ≤ 1.5% @ 250 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with VIS-EXT (350-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 350 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with VIS-NIR (400-1000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 880nm
Ravg ≤ 1.25% @ 400 - 870nm
Ravg ≤ 1.25% @ 890 - 1000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with VIS 0° (425-675nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.4% @ 425 - 675nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with YAG-BBAR (500-1100nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 532nm
Rabs ≤ 0.25% @ 1064nm
Ravg ≤ 1.0% @ 500 - 1100nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with NIR I (600 - 1050nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 600 - 1050nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick fused silica window with NIR II (750 - 1550nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.5% @ 750 - 800nm
Rabs ≤ 1.0% @ 800 - 1550nm
Ravg ≤ 0.7% @ 750 - 1550nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Related Products

Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

Resources

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Anti-Reflection (AR) Coatings

Anti-reflection (AR) coatings are applied to optical components to increase throughput and reduce hazards caused by back-reflections.

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An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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Beam Displacement Calculator

UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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Understanding Optical Windows

Determine how to select an optical window based on its material transmission, thermal and mechanical properties, and other specifications at Edmund Optics.

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Optical Windows Review

Optical Windows provide protection between an optical system or sensitive electronics and an outside environment.

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I need a window for imaging underwater. The water is filtered and at room temperature with a very small amount of detergent in it. It is flowing at low speed. Will a MgF2 coated window survive this for a few years?

Optical Glass

Choosing the right optical glass is important. Find out factors and properties on how to select the right optical glass at Edmund Optics.

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Surface Accuracy

BBAR Coating

Understanding Surface Quality Specifications

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

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Removing Protective Plastic Coating

A protective plastic coating protects a variety of our flat optics, such as optical windows, optical mirrors, and beamsplitters, from scratches during shipping.

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Seamed Edge

Anti-Reflection (AR) Coating

Bevel

Parallelism

Introduction to Basic Ray Optics

An understanding of refraction and basic ray optics is a critical foundation for understanding more complicated optical concepts and technologies.

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Surface Flatness

Transmission

How do I clean my optics?

Clear Aperture (CA)

Edmund Optics Global Manufacturing Facilities

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

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Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.

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Surface Quality