Optical Filters

25 mm Fused Silica Optical Filter

Bandpass filter with 780 nm center wavelength, 20 nm FWHM, 85% transmittance, ideal for optical applications.

Core attributes

Material
Fused Silica
Size
25 mm
Thickness
Custom
Surface Quality
60/40
Transmittance
85%
Filter Type
bandpass
Cwl
780nm
Fwhm
20nm
Coating
iad-pvd
Transmission bands
NIR (0.7-1.7 μm)

Product facts

Key attributes

Material
Fused Silica
Size
25 mm
Thickness
Custom
Surface Quality
60/40
Transmittance
85%
Filter Type
bandpass
Cwl
780nm
Fwhm
20nm
Coating
iad-pvd
Transmission bands
NIR (0.7-1.7 μm)

Product description

This bandpass filter is designed for applications requiring precise wavelength selection in the 0.7-1.7 μm range. With a center wavelength of 780 nm and a full width at half maximum (FWHM) of 20 nm, it effectively transmits 85% of light while blocking unwanted wavelengths. Ideal for fluorescence microscopy and various optical applications, this filter ensures reliable performance and optimal spectral fit for your light source and detector.

Key Features

  • Center wavelength at 780 nm ensures compatibility with specific light sources.
  • FWHM of 20 nm provides precise wavelength selection, enhancing image clarity.
  • 85% transmittance maximizes signal strength for improved detection.
  • Manufactured with iad-pvd coating for durability and environmental resistance.
  • Customizable options available for OEM, ODM, and OBM support.

Specification Summary

ItemValue
MaterialFused Silica
Size25 mm
ThicknessCustom
Surface Quality60/40
Transmittance85%
Filter Typebandpass
Cwl780nm
Fwhm20nm
Coatingiad-pvd
Transmission bandsNIR (0.7-1.7 μm)

Full Specifications

ParameterValue
Transmittance85%; 90%
Customized SupportOEM, ODM, OBM
Warranty3 Years
ManufactureDouble sided polishing
MaterialsB270,JGS1,D263T,N-BK7
Tolerance±5 mm
Transmission>90%
ShipmentExpress delivery,Air,Sea
Fwhm20nm

FAQ

What are the available custom sizes?

The filter is customizable with a tolerance of ±5 mm.

What is the minimum order quantity?

The minimum order quantity is not specified, allowing for flexible procurement.

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