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Koshin Kogaku Co. Ltd.Koshin Kogaku Co. Ltd.
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      • Long Pass Filter
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      • Multiple Band Pass Filter
      • Low Angle-Dependent Bandpass Filter
      • Linear Variable Filters
      • Notch Filter/Band Stop Filter
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      • Non-Polarizing Beam Splitters(N-PBS)
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    • Select from the Products for Imaging Devices
      • Broadband Filter, SWIR filter
      • Infrared (IR) Cut Filter
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      • Film ND Filter
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      • Raman Filters
      • Exitation Filter, Emission Filter, Dichroic Filter/Mirror for Fluorescence Analysis
      • Dichroic Filter for Fluorescence Analysis
      • Interference Filter (Band Pass Filter)
  • Devices
    • Semiconductor laser light sources
      • Wavelength Tunable Diode Lasers KLS-601A Series (Tunable Diode Laser:High Resolution Model)
      • Wavelength Tunable Diode Lasers KLS-201A Series(Tunable Diode Laser:Standard Model)
      • Fixed Wavelength Semiconductor Lasers FLM
      • Fixed Wavelength Semiconductor Lasers FLS
    • Fiber-optic Module
      • AWVF：Automatic Wavelength Variable Tunable Filter
      • VTFM/FC：Visible Light Wavelength Tunable Filter with Exchangeable Filter
      • CILF/CFBPF (1um-band Compact Module)
      • TFM/FC：Wavelength Tunable Filter with Exchangeable Filter (Cassette Type)
      • WTFM/FC：Wavelength Tunable Filter with Double Exchangeable Filter (Cassette Type)
      • FC： Filter Cassette for TFM/ WTFM
      • ILF：Fixed Wavelength Optical Module with 8mm square in cross section
      • FBPF：Wavelength Tunable Optical Module with 8mm square in cross section
      • TMUX：3-port Transmission/Reflection Module
      • ITF-201A Series Wavelength/FWHM Tunable Filter
    • Others
      • Fiber Output Multi-wavelength Laser Source
      • Air Sterilizer
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  • About
    • Corporate Profile
    • News
    • History
    • Catalog
    • ISO 9001,14001
  • Technology
  • Filters
    • Select by Product Name
      • Long Pass Filter
      • Short Pass Filter
      • Band Pass Filter
      • Multiple Band Pass Filter
      • Low Angle-Dependent Bandpass Filter
      • Linear Variable Filters
      • Notch Filter/Band Stop Filter
      • Polarizing Beam Splitter (PBS)
      • Non-Polarizing Beam Splitters(N-PBS)
      • Polymer Filter
      • Etalon Filter
      • AR Coating
    • Select from the Products for Imaging Devices
      • Broadband Filter, SWIR filter
      • Infrared (IR) Cut Filter
      • ND Filter (Neutral Density Filter)
      • Film ND Filter
      • Ulrtaviolet Filter(UV Filter)
      • UV/IR Cut Filter
      • Cold Mirror
      • RGB Filter
    • Select from the Products for Industrial Machines
      • Laser Mirror
      • High Power Laser Mirror
      • Infrared Pass FIlter
      • Dichroic Filter
      • Dichroic Mirror
    • Select from the Products for Medical Equipment
      • Raman Filters
      • Exitation Filter, Emission Filter, Dichroic Filter/Mirror for Fluorescence Analysis
      • Dichroic Filter for Fluorescence Analysis
      • Interference Filter (Band Pass Filter)
  • Devices
    • Semiconductor laser light sources
      • Wavelength Tunable Diode Lasers KLS-601A Series (Tunable Diode Laser:High Resolution Model)
      • Wavelength Tunable Diode Lasers KLS-201A Series(Tunable Diode Laser:Standard Model)
      • Fixed Wavelength Semiconductor Lasers FLM
      • Fixed Wavelength Semiconductor Lasers FLS
    • Fiber-optic Module
      • AWVF：Automatic Wavelength Variable Tunable Filter
      • VTFM/FC：Visible Light Wavelength Tunable Filter with Exchangeable Filter
      • CILF/CFBPF (1um-band Compact Module)
      • TFM/FC：Wavelength Tunable Filter with Exchangeable Filter (Cassette Type)
      • WTFM/FC：Wavelength Tunable Filter with Double Exchangeable Filter (Cassette Type)
      • FC： Filter Cassette for TFM/ WTFM
      • ILF：Fixed Wavelength Optical Module with 8mm square in cross section
      • FBPF：Wavelength Tunable Optical Module with 8mm square in cross section
      • TMUX：3-port Transmission/Reflection Module
      • ITF-201A Series Wavelength/FWHM Tunable Filter
    • Others
      • Fiber Output Multi-wavelength Laser Source
      • Air Sterilizer
  • Contact us
  • 日本語

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