Optical Filters

Custom Size BK7 Optical Filter

High-performance longpass filter with >95% transmittance, ideal for UV and visible light applications.

Core attributes

Material
BK7
Size
Custom
Thickness
Custom
Transmittance
95%
Filter Type
longpass
Cwl
400nm
Transmission bands
VIS (400-700 nm), UV (<400 nm)

Product facts

Key attributes

Material
BK7
Size
Custom
Thickness
Custom
Transmittance
95%
Filter Type
longpass
Cwl
400nm
Transmission bands
VIS (400-700 nm), UV (<400 nm)

Product description

The longpass filter is designed to effectively transmit wavelengths above 400 nm while blocking UV light below this threshold. With a high transmittance of over 95%, this filter is ideal for applications in fluorescence microscopy and other optical systems that require precise wavelength selection. Its BK7 substrate ensures durability and reliability in various environments, making it suitable for both research and industrial applications.

Key Features

  • High transmittance of >95% for optimal light transmission.
  • Longpass filter type effectively blocks UV wavelengths below 400 nm.
  • Compatible with BK7 substrate for enhanced durability.
  • Custom OEM options available to meet specific project needs.
  • Thickness tolerance of ±0.2 mm for precise fitting.

Specification Summary

ItemValue
MaterialBK7
SizeCustom
ThicknessCustom
Transmittance95%
Filter Typelongpass
Cwl400nm
Transmission bandsVIS (400-700 nm), UV (<400 nm)

Full Specifications

ParameterValue
Transmittance95%; >95%
WavelengthUV, VIS, IR
Thickness Tolerance±0.2mm
Transmission>95%
SubstrateBK7 or other glass
OemYes
TypeLongpass filters

FAQ

Can I get custom sizes for this filter?

Yes, OEM options are available for custom sizes.

What is the thickness tolerance for this filter?

The thickness tolerance is ±0.2 mm.

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