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Home / Bandpass filter / Infrared bandpass filter

Infrared bandpass filter

Coligh is the manufacturer of infrared bandpass filters up to 30um. We have lots of wide band infrared bandpass filters and narrow band infrared bandpass filters in stock. Varies from SWIR(short wavelength infrared) to MWIR (middle wavelength infrared) and FIR (far wavelength infrared).  They can be sent fast for a quick prototype building and it is an economic solution. Please contact sales team for more information.

We fabricate the infrared band pass filters with key features below:

  • Wide band infrared bandpass filter and narrow band infrared bandpass filter types
  • Size from 2*2mm small to Dia150mm large
  • Material varies from white glass, sapphire, silicon, fused silica
  • Typically blocking depth OD>2

These optical infrared bandpass filters are widely used in the applications like infrared thermal imaging, infrared sensor detection, machine vision material sorting and quality inspection, tempreture monitoring and telecommunication system.

Product Category

  • Custom Optical Filter
    • Bandpass Filter
      • UV Bandpass Filter
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    • Machine Vision Filter
    • Raman Filter
    • Astronomical Filter
  • Custom Micro Optics
    • Micro Lens Arrays (MLA)
      • Refractive Micro Lens Array
      • Diffractive Microlens Arrays
      • Linear Microlens Arrays
      • Cylindrical Microlens Arrays
      • Random Pattern Microlens Arrays
    • Diffractive Optical Elements (DOEs)
      • 1D Diffractive Beam Splitters
      • 2D Diffractive Beam Splitters
      • Binary Amplitude Grating
      • Phase Diffraction Gratings grating
      • Phase Optical Elements
      • Reflective Beam Homogenizer
      • Top Hat Beam Shaper
      • Diffractive Diffuser
    • Test & Calibration Targets
    • Accessories
      • Laser Handpiece
      • Microlens Arrays Mount
  • Custom Infrared Optics
    • Zinc selenide (Znse) Optics
    • Sapphire Optics
    • Silicon Optics
    • Calcium Fluoride Optics
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    • Magnesium Fluoride Optics
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    • Chalcogenides
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    • Ruby Optics
  • 2.65μm to 5.50μm Transmission IR Wide Bandpass Filter

    2.65μm to 5.50μm Transmission IR Wide Bandpass Filter

    Item No: COBF2.65-5.50μm

    Type: Infrared Bandpass Filter

    Coating: Hard coating

    product details
  • 3.65μm to 4.27μm Transmission IR Wide Bandpass Filter

    3.65μm to 4.27μm Transmission IR Wide Bandpass Filter

    Item No: COBF3.65-4.27μm

    Type: Infrared Bandpass Filter

    Coating: Hard coating

    product details
  • 3.75μm to 5.70μm Transmission IR Wide Bandpass Filter

    3.75μm to 5.70μm Transmission IR Wide Bandpass Filter

    Item No: COBF3.75-5.7μm

    Type: Infrared Bandpass Filter

    Coating: Hard coating

    product details
  • 4.15μm to 4.70μm Transmission IR Wide Bandpass Filter

    4.15μm to 4.70μm Transmission IR Wide Bandpass Filter

    Item No: COBF4.15-4.70μm

    Type: Infrared Bandpass Filter

    Coating: Hard coating

    product details
  • IR Wide Bandpass Filter High Transmission 1.65μm to 2.35μm

    IR Wide Bandpass Filter High Transmission 1.65μm to 2.35μm

    Item No: COBF1.65-2.35μm

    Type: Infrared Bandpass Filter

    Coating: Hard coating

    product details
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Jiulongpo District,
Chongqing,
China

Tel: +86 023-6860-3241
Email: sales@colighfilter.com

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  • Home
  • Custom Infrared Optics
    • Zinc selenide (Znse) Optics
    • Sapphire Optics
    • Silicon Optics
    • Calcium Fluoride Optics
    • Fused silica Optics
    • Magnesium Fluoride Optics
    • Zinc sulfide Optics
    • Chalcogenides
    • Barium Fluoride Optics
    • Ruby Optics
  • Custom Micro Optics
    • Micro Lens Arrays (MLA)
      • Refractive Micro Lens Array
      • Diffractive Microlens Arrays
      • Linear Microlens Arrays
      • Cylindrical Microlens Arrays
      • Random Pattern Microlens Arrays
    • Diffractive Optical Elements (DOEs)
      • 1D Diffractive Beam Splitters
      • 2D Diffractive Beam Splitters
      • Binary Amplitude Grating
      • Phase Diffraction Gratings grating
      • Phase Optical Elements
      • Reflective Beam Homogenizer
      • Top Hat Beam Shaper
      • Diffractive Diffuser
    • Test & Calibration Targets
    • Accessories
      • Laser Handpiece
      • Microlens Arrays Mount
  • Custom Optical Filter
    • Bandpass Filter
      • UV Bandpass Filter
      • VIS Bandpass Filter
      • NlR Bandpass Filter
      • SWlR Bandpass Filter
      • Infrared Bandpass Filter
      • Multi Bandpass Filter
      • Multi Spectral Filter
    • Longpass Filter
    • Shortpass Filter
    • Notch Filter
    • Laser Line Filter
    • Beam Splitter
    • Dichroic Filter
    • Fluorescence Filter
    • PCR Filter
    • Biomedical Filter
    • Machine Vision Filter
    • Raman Filter
    • Astronomical Filter
  • Capability
    • Application-Centric Medical Aesthetics Engineering
    • Strong R&D and Engineering Team
    • Micro-Nano Fabrication Capabilities
    • Advanced Coating Technologies
    • Ultra-Precision Machining Polishing of Large Diameter
    • Comprehensive Process Chain
  • Application
  • Resource
    • Blog
    • FAQs
  • About
  • Contact
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