Optical Filters

Custom Size BK7 Optical Filter

High transmittance optical filter with 90% efficiency at 940nm, ideal for NIR applications. Custom sizing available.

Core attributes

Material
BK7
Size
Custom
Thickness
0.3 mm
Surface Quality
40/20
Transmittance
90%
Cwl
940nm
Coating
iad-pvd
Transmission bands
NIR (0.7-1.7 μm)

Product facts

Key attributes

Material
BK7
Size
Custom
Thickness
0.3 mm
Surface Quality
40/20
Transmittance
90%
Cwl
940nm
Coating
iad-pvd
Transmission bands
NIR (0.7-1.7 μm)

Product description

This optical filter is designed for applications requiring high transmittance in the near-infrared spectrum, specifically around the center wavelength of 940nm. With a transmittance of 90% and a blocking density ranging from OD2 to OD6, it effectively enhances signal detection while minimizing unwanted light interference. Ideal for fluorescence microscopy and other applications within the 0.7-1.7 μm range, this filter ensures reliable performance in demanding environments.

Key Features

  • Transmittance of 90% ensures optimal light passage for enhanced imaging.
  • Blocking density of OD2-OD6 provides effective light suppression for clear results.
  • Available thicknesses from 0.3mm to 5.0mm accommodate various application needs.
  • Manufactured with double-sided polishing for superior surface quality (40/20).
  • Customized support available for OEM requests to fit specific project requirements.

Specification Summary

ItemValue
MaterialBK7
SizeCustom
Thickness0.3 mm
Surface Quality40/20
Transmittance90%
Cwl940nm
Coatingiad-pvd
Transmission bandsNIR (0.7-1.7 μm)

Full Specifications

ParameterValue
Transmittance90%
Customized SupportOEM
Warranty3 Years
Oemcustomized as per your request
Blocking DensityOD2-OD6
ManufactureDouble sided polishing
SubstrateB270,JGS1,D263T,N-BK7,H-K9,Quartz Glass
CertificationISO9001,RoHs,EPR
ShipmentExpress delivery,Air,Sea

FAQ

Can I get custom sizes for this filter?

Yes, custom sizes can be accommodated as per your request.

What is the minimum order quantity (MOQ)?

The minimum order quantity is not specified; please inquire for details.

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