Optical Filters

Custom Size B270 Optical Filter

High-performance longpass filter with 85% transmittance, customizable sizes, and durable B270 material for optical applications.

Core attributes

Material
B270
Size
Custom
Thickness
0.3 mm
Surface Quality
40/20
Transmittance
85%
Filter Type
longpass
Cwl
400nm
Coating
iad-pvd
Transmission bands
VIS (400-700 nm), UV (<400 nm)

Product facts

Key attributes

Material
B270
Size
Custom
Thickness
0.3 mm
Surface Quality
40/20
Transmittance
85%
Filter Type
longpass
Cwl
400nm
Coating
iad-pvd
Transmission bands
VIS (400-700 nm), UV (<400 nm)

Product description

The longpass filter, designed for applications requiring transmission of wavelengths above 400 nm, effectively blocks light below this threshold. With a high transmittance of 85%, this filter is ideal for fluorescence microscopy and other optical applications where precise wavelength management is crucial. Its robust B270 glass construction ensures durability, while customizable options cater to specific project needs.

Key Features

  • Transmittance of 85% ensures optimal light throughput for effective imaging.
  • Longpass filter type effectively blocks wavelengths below 400 nm, enhancing signal clarity.
  • Available thicknesses from 0.3 mm to 5.0 mm for versatile application fit.
  • Customizable support for OEM, ODM, and OBM projects to meet unique specifications.
  • Durable B270 material with a surface quality rating of 40/20 for reliable performance.

Specification Summary

ItemValue
MaterialB270
SizeCustom
Thickness0.3 mm
Surface Quality40/20
Transmittance85%
Filter Typelongpass
Cwl400nm
Coatingiad-pvd
Transmission bandsVIS (400-700 nm), UV (<400 nm)

Full Specifications

ParameterValue
Transmittance85%; >85%
Customized SupportOEM, ODM, OBM
Warranty3 Years
Coating RegionSingle-sided or double-sided
Blocking DensityOD2-OD6
MaterialsB270,JGS1,Quartz Glass,Absorptive Glass
Tolerance± 0.10mm
CertificationISO9001,RoHs,EPR
ShipmentExpress delivery,Air,Sea

FAQ

Can I get custom sizes for this filter?

Yes, customizable options are available for OEM, ODM, and OBM projects.

What are the tolerances for this filter?

The filter has a tolerance of ± 0.10 mm.

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