Optical Filters

Custom Size Optical Glass Optical Filter

High-performance optical filter with 90% transmittance at 1940 nm, ideal for infrared applications.

Core attributes

Material
Optical Glass
Size
Custom
Thickness
Custom
Surface Quality
60/40
Transmittance
90%
Cwl
1940nm
Coating
hard-coat
Transmission bands
SWIR (1.7-3 μm), NIR (0.7-1.7 μm)

Product facts

Key attributes

Material
Optical Glass
Size
Custom
Thickness
Custom
Surface Quality
60/40
Transmittance
90%
Cwl
1940nm
Coating
hard-coat
Transmission bands
SWIR (1.7-3 μm), NIR (0.7-1.7 μm)

Product description

This optical filter is designed for applications requiring high transmittance in the infrared spectrum, specifically centered at 1940 nm. With a transmittance of over 90% and an optical density greater than 2, it effectively blocks unwanted wavelengths while allowing critical signals to pass through. Ideal for use in thermal imaging and gas sensing applications, this filter ensures reliable performance under various conditions.

Key Features

  • High transmittance of 90% ensures maximum signal clarity.
  • Center wavelength of 1940 nm is optimal for infrared applications.
  • Optical density greater than 2 provides excellent blocking of out-of-band light.
  • Hard-coat surface enhances durability and environmental resistance.
  • Customizable FWHM of 10 nm allows for tailored spectral performance.

Specification Summary

ItemValue
MaterialOptical Glass
SizeCustom
ThicknessCustom
Surface Quality60/40
Transmittance90%
Cwl1940nm
Coatinghard-coat
Transmission bandsSWIR (1.7-3 μm), NIR (0.7-1.7 μm)

Full Specifications

ParameterValue
Transmittance90%; T>90%
Customized SupportOEM, ODM
Warranty1 year
Cwl1940nm
Fwhm10nm customized
Optical DensityOD>2

FAQ

Can I get custom sizes or thicknesses?

Customization options are available, including tailored FWHM.

What is the minimum order quantity?

Minimum order quantity details are not specified.

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