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Bandpass Filters

Bandpass Filters are used to select a specific band of the spectrum to allow them to be transmitted, while other wavelengths of the spectrum are blocked. When a light beam passes through the filter, it interferes with the substrate allowing certain wavelengths to be transmitted while others reflected or absorbed. Bandwith can be expressed as full width at half maximum (FWHM). The narrower the bandwidth, the more sophisticated the coating.


Contact us to inquire about MOQ, customised wavelength ranges or special coatings.

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For Policy on MOQ and Custom Orders please visit the Category Overview.   ✈️International Shipping Available, Based in Singapore.