Optical Windows

Custom Size N-BK7 Round Optical Window, AR Coated

N-BK7 optical window with 85% transmittance, customizable thickness, ideal for laser cutting and various optical applications.

Core attributes

Material
N-BK7
Shape
round
Thickness
0.3–5 mm
Coating
ar

Product facts

Key attributes

Material
N-BK7
Shape
round
Thickness
0.3–5 mm
Coating
ar

Product description

The N-BK7 optical window is designed for applications such as laser cutting, effectively isolating environments while maintaining high transmittance. With a broad spectral range from <400 nm to 3 μm, this window is ideal for various optical setups. Its surface quality of 40/20 ensures minimal distortion, making it suitable for precision applications. The optical window can be customized in thickness from 0.3 mm to 5 mm, accommodating diverse project requirements.

Key Features

  • High transmittance of 85%Ensures maximum light transmission for effective performance in optical applications.
  • Surface quality of 40/20Provides minimal distortion, enhancing the clarity and accuracy of optical systems.
  • Custom thickness options (0.3 mm to 5 mm)Allows for tailored solutions to meet specific application needs.
  • Compatible with multiple coatingsVersatility for various spectral ranges enhances application flexibility.

Applications

Laser Cutting

Specification Summary

ItemValue
MaterialN-BK7
ShapeRound
DiameterCustom
Thickness0.3 mm
Surface Quality40/20
Transmittance85%
Coatinganti-reflective (AR)
Transmission bandsSWIR (1.7-3 μm), NIR (0.7-1.7 μm), VIS (400-700 nm), UV (<400 nm)
MOQ—

Full Specifications

ParameterValue
Transmittance85%
Customized SupportOEM, ODM, OBM
Warranty3 Years
MaterialsBK7,B270,JGS1,D263T,N-BK7,H-K9
Tolerance± 0.10mm
CertificationISO9001,RoHs,EPR

FAQ

What thickness options are available?

Thickness options range from 0.3 mm to 5 mm.

What is the surface quality specification?

The surface quality is specified as 40/20.

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