Knight Optical’s complete range of cost effective dichroic filter range offers superior transmission, reflection and absorption characteristics.
Dichroic filters consist of thin film dielectric coatings on glass and exhibit sharp transitions between transmitted and reflected wavelengths. Dichroic filters are similar to traditional interference filters but differentiate themselves by reflecting all unwanted wavelengths. Consequently our dichroic range also offers minimal absorbance characteristics.
Our dichroic filters are available in longpass, shortpass, bandpass, bandblocking and colour correction types over a range of wavelengths. Dichroic shortpass and longpass filters can also act as hot and cold mirrors respectively. Click on the links below for more information on individual dichroic filter types.
| Name | Type | Wavelength cut-on (nm) 0 degree AOI | CWL (nm) 0 degree AOI | Wavelength cut-off (nm) 0 degree AOI | Diameter (mm) | Length (mm) | Width (mm) | Thickness (mm) | Material | Price | Wavelength cut-off (nm) AOI=45° | Buy |
| 531FDN12 pdf | Bandblocking Dichroic Filter | 600 | 531 | 460 | 12.5 | 1.1 | Borosilicate |
US$32.25
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| 530FDS50 pdf | Shortpass Dichroic Filter | 750 | 530 | 50.0 | 50.0 | 1.1 | Borosilicate |
US$60.33
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| 530FDS25 pdf | Shortpass Dichroic Filter | 750 | 530 | 25.0 | 1.1 | Borosilicate |
US$34.89
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| 530FDS12 pdf | Shortpass Dichroic Filter | 750 | 530 | 12.5 | 1.1 | Borosilicate |
US$32.25
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| 530FDN50 pdf | Bandblocking Dichroic Filter | 611 | 530 | 447 | 50.0 | 50.0 | 1.1 | Borosilicate |
US$60.33
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| 530FDN25 pdf | Bandblocking Dichroic Filter | 611 | 530 | 447 | 25.0 | 1.1 | Borosilicate |
US$34.89
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| 530FDN12 pdf | Bandblocking Dichroic Filter | 611 | 530 | 447 | 12.5 | 1.1 | Borosilicate |
US$32.25
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| 530FDL50 pdf | Longpass Dichroic Filter | 530 | - | - | 50 | 50 | 1.1 | Borosilicate |
US$63.11
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| 530FDL25 pdf | Longpass Dichroic Filter | 530 | - | - | 25 | - | - | 1.1 | Borosilicate |
US$35.86
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| 530FDL12 pdf | Longpass Dichroic Filter | 530 | 12.5 | 1.1 | Borosilicate |
US$32.25
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