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Knight Optical(UK) Ltd - sales@knightoptical.co.uk - +44 (0)1622 859444

Notch filters & band reflecting filters

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Notch and band reflecting filters provide up to OD6 blocking for a selected wavelength or bandwidth.  These filters are typically used for laser-based spectroscopy, raman and fluorescence measurements and other biomedical systems of the life sciences where the emission spectrum needs isolating.

In fluorescence detection it is necessary to block the excitation wavelength but allow the transmission of the fluorescence signal. This signal can be many orders of magnitude dimmer than the excitation wavelength itself, but very close to the emission wavelength.  It is usual to have a set of transmittance, dichroic reflecting / transmitting, emission filters for a particular task, such as DAPI and Texas Red filter kits.

Knight Optical supply high quality custom notch and band reflecting filters made to your exact custom specification.  Every component is individually tested by our highly skilled technicians in our state of art metrology lab to ensure all components meet our high quality standards.

These filters are not available as a stock item. For more information on our custom notch filters or to recieve a custom quote, please contact our technical sales team.

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Our Multi-Lingual Sales Team are here to help with your requirments:

UK +44 (0)1622 859444
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