KAWAI OPTICS CO.,LTD., Interference Filter, Bandpass Filter, TEL:81-550-70-5360

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Interference Filter


 Metallic Bandpass Filter
Metallic Bandpass Filter
Metallic Bandpass Filter is the filter which transmits only the required wavelength by applying the reflection interference phenomenon which is generated on the interfacial polarization of thin film and filtering the light by selective reflection. By applying the metallic film, it has a tendency which the half band width turns wide and the transmittance ratio falls low.

Visible Light Area




 Dielectric Bandpass Filter
Dielectric Bandpass Filter
Dielectric Bandpass Filer is the filter which transmits only the required wavelength by applying the interference of thin film. It allows to obtain high transmission ratio compared with Metallic Bandpass Filter. And it also allows to specify the optional half band width.

Visible Light Area

Infrared Area


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KAWAI OPTICS CO.,LTD KAWAI OPTICS CO.,LTD. 1157-584 Hotozawa Gotemba-city Shizuoka-pref. Japan 412-0046
TEL.81-550-89-5481 FAX.81-550-89-7603