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40mm Dia., 4mm Thick, Uncoated λ/4 N-BK7 Window

Stock #45-581
A$84.00
×
Qty 1-5
A$84.00
Qty 6-25
A$67.20
Qty 26+
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Clear Aperture (%):
85.00
Diameter (mm):
40.00 +0.0/-0.25
Dimensional Tolerance (mm):
+0.0/-0.25
Thickness (mm):
4.00
Coating:
Uncoated
Parallelism (arcmin):
1.00
Substrate:
N-BK7
Surface Flatness:
λ/4
Surface Quality:
60-40
Thickness Tolerance (mm):
±0.20
Type:
Protective Window
Wavelength Range (nm):
350 - 2200
RoHS:

Product Family Description

  • λ/4 Surface Flatness
  • Broadband Anti-Reflection Coating Options Available
  • Custom Coatings and Sizes Available for Volume OEM Quantities
  • Also Available with Laser Line V-Coats

TECHSPEC® λ/4 N-BK7 Precision Windows are ideally suited for industrial and low power laser applications. The high tolerance design yields minimal beam distortion and scatter. Broadband coating options extend the range of these precision windows through the visible and near-infrared spectra.

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