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Home / Bandpass filter

Bandpass filter

Coligh is a China mnaufacturer of optical bandpass filter. Bandpass filter is filter transmission surrounded by two blocking area. Just part of light could transmit and blocking the other wavelength.

It can be divided into wide bandpass filters and narrow bandpass filters. Wide bandpass filters are usually used for imaging application like fluorescence microscope, machine vision. The narrow bandpass filter like bandwidth <20nm is usually used for applications of lasers and analyzer instrument. Narrow bandpass filter and wide bandpass filter are usually combined to use. They also can be called interference filters.

Coligh’s capability:
Material: BK7, B270, Borofloat glass, Fused silica, Soda-lim glass, color glass and other glass clients require
Wavelength: EUV to 30μm
Typical FWHM: 0.5+/-0.1nm, 3+/-0.6nm, 5+/-1nm, 10+/-2nm, 25+/-3nm and 50+/-5nm.
Typical wavelength: 254nm, 340nm, 430nm, 450nm, 532nm, 570nm, 650nm, 808nm, 850nm, 875nm, 940nm, 1064nm
Shape: Round or square
Size: 2-150mm
Size allowance: +/0.1mm, +/-0.05mm
Parallelism and flatness: clients custom

Product Category

  • 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
  • Custom Micro Optics
    • Micro Lens Arrays (MLA)
      • Refractive Micro Lens Array
      • Diffractive Microlens Arrays
      • Linear Microlens Arrays
      • Cylindrical Microlens Arrays
      • Random Pattern Microlens Arrays
      • 3D Tof Microlens Arrays
    • Diffractive Optical Elements (DOEs)
      • 1D Diffractive Beam Splitters
      • 2D Diffractive Beam Splitters
      • Diffraction Gratings
      • Phase Optical Elements
      • Reflective Beam Homogenizer
      • Top Hat Beam Shaper
      • Diffractive Diffuser
    • Test & Calibration Targets
    • Accessories
      • Laser Handpiece
      • Microlens Arrays Mount
  • Custom Infrared Optics
    • Aspherical Lens
    • Spherical Lens
    • Optical Dome
    • Optical Windows
    • Optical Mirrors
    • Optical Prism
    • Freeform Custom Shaped
  • 1030nm bandpass filter FWHM 10nm

    1030nm bandpass filter FWHM 10nm

    Item No: COBF1030-10

    Type: Bandpass filter

    Coating: Hard coating

    product details
  • 1064nm bandpass filter FWHM 10nm

    1064nm bandpass filter FWHM 10nm

    Item No: COBF1064-10

    Type: Bandpass filter

    Coating: Hard coating

    product details
  • 1300nm Optical Bandpass Filter FWHM 30nm

    1300nm Optical Bandpass Filter FWHM 30nm

    Item No: COBF1300-30

    Type: Optical Bandpass filter

    Coating: Hard coating

    product details
  • 1350nm Optical Bandpass Filter FWHM 10nm

    1350nm Optical Bandpass Filter FWHM 10nm

    Item No: COBF1350-10

    Type: Optical Bandpass filter

    Coating: Hard coating

    product details
  • 1450nm optical bandpass filter FWHM 10nm

    1450nm optical bandpass filter FWHM 10nm

    Item No: COBF1450-10

    Type: Optical Bandpass filter

    Coating: Hard coating

    product details
  • 1450nm optical bandpass filter FWHM 30nm

    1450nm optical bandpass filter FWHM 30nm

    Item No: COBF1450-30

    Type: Optical Bandpass filter

    Coating: Hard coating

    product details
  • 1550nm optical bandpass filter FWHM 30nm

    1550nm optical bandpass filter FWHM 30nm

    Item No: COBF1550-30

    Type: Optical Bandpass filter

    Coating: Hard coating

    product details
  • 1550nm optical bandpass filter FWHM 40nm

    1550nm optical bandpass filter FWHM 40nm

    Item No: COBF1550-40

    Type: Optical Bandpass filter

    Coating: Hard coating

    product details
  • 180nm DUV Deep Narrowband UV Transmitting Filter FWHM 20nm

    180nm DUV Deep Narrowband UV Transmitting Filter FWHM 20nm

    180nm DUV Deep Narrowband UV Transmitting Filter FWHM 20nm is a DUV UV bandpass filters. Coligh customs and manufactures high quality UV bandpass filters starting from 160nm.

    product details
  • 190nm VUV Deep Narrowband UV Transmitting Filter FWHM 20nm

    190nm VUV Deep Narrowband UV Transmitting Filter FWHM 20nm

    190nm/20nm Filter is VUV Deep Narrowband UV Transmitting Filter. Coligh is China manufactures various high quality UV transmitting filters

    product details
  • 190nm-340nm Coligh Standard Ultraviolet Pass Filter

    190nm-340nm Coligh Standard Ultraviolet Pass Filter

    Important!! Coligh is the manufacturer of 190nm-340nm Coligh Standard Ultraviolet Pass Filter. We have hundreds of wavelength and different size in stock. Contact us for more detail.

    product details
  • 193nm DUV Hard Coated UV Filter FWHM 20nm

    193nm DUV Hard Coated UV Filter FWHM 20nm

    193nm DUV Hard Coated UV Filter FWHM 20nm is DUV Deep Narrowband UV Transmitting Filter. Coligh customs and manufactures high quality UV bandpass filters cover from 160nm in China

    product details
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No. 644, Nanhua Street, Shiqiaopu,
Jiulongpo District,
Chongqing,
China

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

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  • Home
  • Custom Infrared Optics
    • Aspherical Lens
    • Spherical Lens
    • Optical Dome
    • Optical Windows
    • Optical Mirrors
    • Optical Prism
    • Freeform Custom Shaped
  • Custom Micro Optics
    • Micro Lens Arrays (MLA)
      • Refractive Micro Lens Array
      • Diffractive Microlens Arrays
      • Linear Microlens Arrays
      • Cylindrical Microlens Arrays
      • Random Pattern Microlens Arrays
      • 3D Tof Microlens Arrays
    • Diffractive Optical Elements (DOEs)
      • 1D Diffractive Beam Splitters
      • 2D Diffractive Beam Splitters
      • Diffraction Gratings
      • 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
  • 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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