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N-BK7 Optical Windows
Related Products
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- Ideal substrates for planar optical components, such as plane mirrors, filters or beamsplitter plates
- Ideal for use as windows in optical systems
- Surfaces uncoated or coated
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- Our plane plates are also available with the following coatings:
- VIS range (ARB2: R < 0.5 % per surface, AOI = 0°, λ = 450 - 700 nm).
- NIR range (ARB2: R < 0.5 % per surface, AOI = 0°, λ = 725 - 1050 nm).
- Nd:YAG fundamental (ARHS: R < 0.2 % per surface, AOI = 0°, center wavelength 1064 nm)
- Reflective aluminum coating (RAL: for λ = 400 nm - 12 μm, damage threshold > 200 mJ / cm2)
- Front surface mirror silver coating (RAGV: for λ = 500 nm - 12 μm, damage threshold > 200 mJ / cm2)
- For customized optics and higher volumes please contact our sales team for your individual quotation.
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Optical windows fabricated from N-BK7
Part No. | Optic Size (mm) | Substrate | Optic Center Thickness (mm) | Parallelism | Design Wavelength (nm) | Tolerance d (mm) | Tolerance b (mm) | Tolerance L (mm) | Flatness back surface (λ) | Flatness (λ) | Coating Specification | Weight (kg) | Tolerance Ø (mm) |
G390136000 | 15x20 | N-BK7 | 2 | 2' | 350-2000 | ±0.2 | -0.11 | -0.13 | 1 | 1 | Uncoated | 0.002 | |
G390137000 | 20x30 | N-BK7 | 2.5 | 2' | 350-2000 | ±0.3 | -0.13 | -0.13 | 2 | 2 | Uncoated | 0.004 | |
G390138000 | 30x50 | N-BK7 | 4 | 3' | 350-2000 | ±0.2 | -0.13 | -0.16 | 2 | 2 | Uncoated | 0.015 | |
G390130000 | Ø10 | N-BK7 | 2 | 2' | 350-2000 | ±0.1 | 1/4 | 1/4 | Uncoated | 0.0004 | -0.09 | ||
G390068000 | Ø12.7 | N-BK7 | 2 | 2' | 350-2000 | ±0.1 | 1/4 | 1/4 | Uncoated | 0.001 | -0.11 | ||
G390131000 | Ø16 | N-BK7 | 2 | 2' | 350-2000 | ±0.1 | 1/4 | 1/4 | Uncoated | 0.001 | -0.11 | ||
G390132000 | Ø22.4 | N-BK7 | 3 | 3' | 350-2000 | ±0.1 | 1/4 | 1/4 | Uncoated | 0.003 | -0.13 | ||
G390069000 | Ø25.4 | N-BK7 | 5 | 1' | 350-2000 | ±0.1 | 1/4 | 1/4 | Uncoated | 0.006 | -0.15 | ||
G390043000 | Ø31.5 | N-BK7 | 3 | 3' | 350-2000 | ±0.1 | 1/2 | 1/2 | Uncoated | 0.006 | -0.16 | ||
G390133000 | Ø40 | N-BK7 | 6 | 3' | 350-2000 | ±0.1 | 1/2 | 1/2 | Uncoated | 0.019 | -0.16 | ||
G390134000 | Ø50 | N-BK7 | 6 | 3' | 350-2000 | ±0.1 | 1/2 | 1/2 | Uncoated | 0.03 | -0.16 | ||
G390135000 | Ø63 | N-BK7 | 6 | 3' | 350-2000 | ±0.1 | 1 | 1 | Uncoated | 0.047 | -0.19 | ||
G390020000 | Ø80 | N-BK7 | 10 | 3' | 350-2000 | ±0.2 | 1 | 1 | Uncoated | 0.126 | -0.19 | ||
G390044000 | Ø100 | N-BK7 | 10 | 3' | 350-2000 | ±0.15 | 2 | 2 | Uncoated | 0.197 | -0.22 | ||
G390110000 | Ø150 | N-BK7 | 15 | 5' | 350-2000 | ±0.2 | 3 | 3 | Uncoated | 0.665 | -0.25 | ||
G390139000 | Ø22.4xØ31.5 | N-BK7 | 3.5 | 3' | 350-2000 | ±0.2 | 1/2 | 1/2 | Uncoated | 0.005 | |||
G390136322 | 15x20 | N-BK7 | 2 | 2' | 450-700 | ±0.2 | -0.11 | -0.13 | 1 | 1 | 2x R<0.5% @450-700 nm | 0.002 | |
G390137322 | 20x30 | N-BK7 | 2.5 | 2' | 450-700 | ±0.3 | -0.13 | -0.13 | 2 | 2 | 2x R<0.5% @450-700 nm | 0.004 | |
G390138322 | 30x50 | N-BK7 | 4 | 3' | 450-700 | ±0.2 | -0.13 | -0.16 | 2 | 2 | 2x R<0.5% @450-700 nm | 0.015 | |
G390130322 | Ø10 | N-BK7 | 2 | 2' | 450-700 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @450-700 nm | 0.0004 | -0.09 | ||
G390068322 | Ø12.7 | N-BK7 | 2 | 1' | 450-700 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @450-700 nm | 0.001 | -0.11 | ||
G390131322 | Ø16 | N-BK7 | 2 | 2' | 450-700 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @450-700 nm | 0.001 | -0.11 | ||
G390132322 | Ø22.4 | N-BK7 | 3 | 3' | 450-700 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @450-700 nm | 0.001 | -0.13 | ||
G390069322 | Ø25.4 | N-BK7 | 5 | 1' | 450-700 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @450-700 nm | 0.006 | -0.15 | ||
G390043322 | Ø31.5 | N-BK7 | 3 | 3' | 450-700 | ±0.1 | 1/2 | 1/2 | 2x R<0.5% @450-700 nm | 0.006 | -0.16 | ||
G390133322 | Ø40 | N-BK7 | 6 | 3' | 450-700 | ±0.1 | 1/2 | 1/2 | 2x R<0.5% @450-700 nm | 0.019 | -0.16 | ||
G390134322 | Ø50 | N-BK7 | 6 | 3' | 450-700 | ±0.1 | 1/2 | 1/2 | 2x R<0.5% @450-700 nm | 0.03 | -0.16 | ||
G390135322 | Ø63 | N-BK7 | 6 | 3' | 450-700 | ±0.1 | 1 | 1 | 2x R<0.5% @450-700 nm | 0.047 | -0.19 | ||
G390020322 | Ø80 | N-BK7 | 10 | 3' | 450-700 | ±0.2 | 1 | 1 | 2x R<0.5% @450-700 nm | 0.126 | -0.19 | ||
G390044322 | Ø100 | N-BK7 | 10 | 3' | 450-700 | ±0.15 | 2 | 2 | 2x R<0.5% @450-700 nm | 0.197 | -0.22 | ||
G390139322 | Ø22.4xØ31.5 | N-BK7 | 3.5 | 3' | 450-700 | ±0.2 | 1/2 | 1/2 | 2x R<0.5% @450-700 nm | 0.005 | |||
G390136525 | 15x20 | N-BK7 | 2 | 2' | 725-1050 | ±0.2 | -0.11 | -0.13 | 1 | 1 | 2x R<0.5% @725-1050 nm | 0.002 | |
G390137525 | 20x30 | N-BK7 | 2.5 | 2' | 725-1050 | ±0.3 | -0.13 | -0.13 | 2 | 2 | 2x R<0.5% @725-1050 nm | 0.004 | |
G390138525 | 30x50 | N-BK7 | 4 | 3' | 725-1050 | ±0.2 | -0.13 | -0.16 | 2 | 2 | 2x R<0.5% @725-1050 nm | 0.015 | |
G390130525 | Ø10 | N-BK7 | 2 | 2' | 725-1050 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @725-1050 nm | 0.0004 | -0.09 | ||
G390068525 | Ø12.7 | N-BK7 | 2 | 1' | 725-1050 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @725-1050 nm | 0.001 | -0.11 | ||
G390131525 | Ø16 | N-BK7 | 2 | 2' | 725-1050 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @725-1050 nm | 0.001 | -0.11 | ||
G390132525 | Ø22.4 | N-BK7 | 3 | 3' | 725-1050 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @725-1050 nm | 0.003 | -0.13 | ||
G390069525 | Ø25.4 | N-BK7 | 5 | 1' | 725-1050 | ±0.1 | 1/4 | 1/4 | 2x R<0.5% @725-1050 nm | 0.006 | -0.15 | ||
G390043525 | Ø31.5 | N-BK7 | 3 | 3' | 725-1050 | ±0.1 | 1/2 | 1/2 | 2x R<0.5% @725-1050 nm | 0.006 | -0.16 | ||
G390133525 | Ø40 | N-BK7 | 6 | 3' | 725-1050 | ±0.1 | 1/2 | 1/2 | 2x R<0.5% @725-1050 nm | 0.019 | -0.16 | ||
G390134525 | Ø50 | N-BK7 | 6 | 3' | 725-1050 | ±0.1 | 1/2 | 1/2 | 2x R<0.5% @725-1050 nm | 0.03 | -0.16 | ||
G390135525 | Ø63 | N-BK7 | 6 | 3' | 725-1050 | ±0.1 | 1 | 1 | 2x R<0.5% @725-1050 nm | 0.047 | -0.19 | ||
G390020525 | Ø80 | N-BK7 | 10 | 3' | 725-1050 | ±0.2 | 1 | 1 | 2x R<0.5% @725-1050 nm | 0.126 | -0.19 | ||
G390044525 | Ø100 | N-BK7 | 10 | 3' | 725-1050 | ±0.15 | 2 | 2 | 2x R<0.5% @725-1050 nm | 0.197 | -0.22 | ||
G390139525 | Ø22.4xØ31.5 | N-BK7 | 3.5 | 3' | 725-1050 | ±0.2 | 1/2 | 1/2 | 2x R<0.5% @725-1050 nm | 0.005 | |||
G390136329 | 15x20 | N-BK7 | 2 | 2' | 1064 | ±0.2 | -0.11 | -0.13 | 1 | 1 | R<0.2% @1064 nm | 0.002 | |
G390137329 | 20x30 | N-BK7 | 2.5 | 2' | 1064 | ±0.3 | -0.13 | -0.13 | 2 | 2 | R<0.2% @1064 nm | 0.004 | |
G390138329 | 30x50 | N-BK7 | 4 | 3' | 1064 | ±0.2 | -0.13 | -0.16 | 2 | 2 | R<0.2% @1064 nm | 0.015 | |
G390130329 | Ø10 | N-BK7 | 2 | 2' | 1064 | ±0.1 | 1/4 | 1/4 | R<0.2% @1064 nm | 0.0004 | -0.09 | ||
G390068329 | Ø12.7 | N-BK7 | 2 | 1' | 1064 | ±0.1 | 1/4 | 1/4 | R<0.2% @1064 nm | 0.001 | -0.11 | ||
G390131329 | Ø16 | N-BK7 | 2 | 2' | 1064 | ±0.1 | 1/4 | 1/4 | R<0.2% @1064 nm | 0.001 | -0.11 | ||
G390132329 | Ø22.4 | N-BK7 | 3 | 3' | 1064 | ±0.1 | 1/4 | 1/4 | R<0.2% @1064 nm | 0.003 | -0.13 | ||
G390069329 | Ø25.4 | N-BK7 | 5 | 1' | 1064 | ±0.1 | 1/4 | 1/4 | R<0.2% @1064 nm | 0.006 | -0.15 | ||
G390043329 | Ø31.5 | N-BK7 | 3 | 3' | 1064 | ±0.1 | 1/2 | 1/2 | R<0.2% @1064 nm | 0.006 | -0.16 | ||
G390133329 | Ø40 | N-BK7 | 6 | 3' | 1064 | ±0.1 | 1/2 | 1/2 | R<0.2% @1064 nm | 0.019 | -0.16 | ||
G390134329 | Ø50 | N-BK7 | 6 | 3' | 1064 | ±0.1 | 1/2 | 1/2 | R<0.2% @1064 nm | 0.03 | -0.16 | ||
G390135329 | Ø63 | N-BK7 | 6 | 3' | 1064 | ±0.1 | 1 | 1 | R<0.2% @1064 nm | 0.047 | -0.19 | ||
G390020329 | Ø80 | N-BK7 | 10 | 3' | 1064 | ±0.2 | 1 | 1 | R<0.2% @1064 nm | 0.126 | -0.19 | ||
G390044329 | Ø100 | N-BK7 | 10 | 3' | 1064 | ±0.15 | 2 | 2 | R<0.2% @1064 nm | 0.197 | -0.22 | ||
G390139329 | Ø22.4xØ31.5 | N-BK7 | 3.5 | 3' | 1064 | ±0.2 | 1/2 | 1/2 | R<0.2% @1064 nm | 0.005 |