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IF-C: N-BK7 Interferometer Windows, Laser Grade

IF-C: N-BK7 Interferometer Windows, Laser Grade

IF-C: N-BK7 Interferometer Windows, Laser Grade

High quality, uncoated windows for high power use in interferometry & quality testing; 30 ± 5 arc min wedge. These precisely polished uncoated flats are designed with a small wedge of 30 ± 5 arc minutes to minimize interference effects between the surfaces and reduce back reflection. Available from stock in N-BK7 or fused silica. Custom coatings, sizes, and substrate options are available upon request.
  • Product Code: IF
  • Optical Material: Standard Grade Corning 7980 1-D (Fused Silica)
    or N-BK7
  • Diameter Tolerance: +0/-0.25mm
  • Thickness Tolerance: ±0.25mm
  • Wedge Tolerance: 30 ±5 arc minutes
  • Chamfer: Ø ≤50.8mm: leg width 0.35mm at 45° nominal
    Ø > 50.8mm: 0.85mm leg width at 45°° nominal
  • Surface Quality: 10-5 scratch-dig per MIL-PRF-13830b
  • Transmitted Wavefront Error (TWE): < λ/10 p-v at 633nm
  • Clear Aperture: ≥85% of central diameter

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  1. IF-1025-C $134.00 ea
    VOL

    Volume Pricing

    QuantityPrice
    1-9$134.00
    10+$127.30
    Inventory: In-Stock: 19 QTY | 16-Weeks: 500 QTY
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    Wavelength (nm) Dimensions (mm) Wedge Angle of Incidence (°)
    Uncoated 25.4 30 arc min NONE
    Specifications and Downloads

    Specifications

    • Angle of Incidence (°): NONE
    • Wavelength (nm): Uncoated
    • Transmission Wavefront Error: λ/10
    • Thickness (mm): 6.35
    • Surface Quality: 10-5 scratch-dig per MIL-PRF-13830b
    • Surface Figure: λ/10 p-v at 633nm on select substrates
    • Shapes: Round
    • Material: N-BK7
    • Dimensions (mm): 25.4
    • Coating Types: NONE
    • Wedge: 30 arc min

    Downloads

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