Optical Filters

Custom Size Optical Glass Optical Filter

Explore our longpass filter with 90% transmittance at 940 nm, ideal for fluorescence microscopy and optical applications.

Core attributes

Material
Optical Glass
Size
Custom
Thickness
Custom
Surface Quality
60/40
Transmittance
90%
Filter Type
longpass
Cwl
940nm
Coating
hard-coat
Transmission bands
NIR (0.7-1.7 μm)

Product facts

Key attributes

Material
Optical Glass
Size
Custom
Thickness
Custom
Surface Quality
60/40
Transmittance
90%
Filter Type
longpass
Cwl
940nm
Coating
hard-coat
Transmission bands
NIR (0.7-1.7 μm)

Product description

The longpass filter is designed to efficiently transmit wavelengths from 940 nm and above, making it ideal for applications in fluorescence microscopy and other optical systems that require high transmittance. With a transmittance of 90% at 940-1100 nm and an optical density greater than 4, this filter effectively blocks unwanted shorter wavelengths, ensuring clarity and precision in your optical measurements. Its hard-coated surface enhances durability, making it suitable for various environmental conditions.

Key Features

  • Transmittance of 90% ensures optimal light transmission for effective imaging.
  • Longpass filter type specifically designed for wavelengths above 940 nm.
  • Optical density greater than 4 provides excellent blocking of undesired wavelengths.
  • Hard-coat coating enhances durability and resistance to environmental factors.
  • Custom OEM and ODM support available for tailored solutions.

Specification Summary

ItemValue
MaterialOptical Glass
SizeCustom
ThicknessCustom
Surface Quality60/40
Transmittance90%
Filter Typelongpass
Cwl940nm
Coatinghard-coat
Transmission bandsNIR (0.7-1.7 μm)

Full Specifications

ParameterValue
Transmittance90%; T>90%@940-1100nm
Customized SupportOEM, ODM
Warranty1 year
Optical DensityOD>4
SubstrateOptical Grade Glass

FAQ

Can I get custom sizes for this filter?

Custom sizing options are available through OEM and ODM support.

What is the minimum order quantity (MOQ)?

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

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