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Knight Optical’s complete range of cost effective shortpass dichroic filters offer superior transmission, reflection and absorption characteristics

Shortpass filters are designed to transmit wavelengths lower than the cut off point and reflect all higher wavelengths. Knight Optical's Dichroic filters are comprised of a thin-film dielectric coating on glass, resulting in sharp transitions between the transmitted and reflected bands. With negligible absorption, this type of filter is ideal for high powers and lacks the strong fluorescence of certain glass filters.

Our dichroic shortpass filters are available in a range of wavelengths and are supplied in standard 12.5mm and 25mm diameter or 50mm square types. We are happy to cut and edge filters for non standard sizes to suit your application.

Material:
Diameter:
Length/Width:
Thickness:
Surface Quality:
Wavelengths:
Wavelength Accuracy:
Transmission:
Borosilicate or equivalent, Sodalime
+0.0 / -0.20 mm
± 0.25 mm
± 0.20 mm
<60-40 scratch/dig
300-1200nm dependant on type
+/-5nm
Tmax=95% dependant on type and substrate

Note:
Wavelength cut-on listed in table is transition cut-on wavelength (T=Tmax/2)
Wavelength cut-off listed in table is transition cut-off wavelength (T=Tmax/2)

 

Available size: Square 7mm-300mm, Diameter 10mm-400mm
Cutting down or edged to special shapes and sizes at short notice
Mounting of diameters and squares
Available in sets, supplied in a wooden storage box for research and laboratory use

51 Items

Name Type Wavelength cut-on (nm) 0 degree AOI Wavelength cut-off (nm) 0 degree AOI Diameter (mm) Length (mm) Width (mm) Thickness (mm) Material Price Buy
414FDS12 pdf Shortpass Dichroic Filter 745 414 12.5 1.1 Borosilicate
$25.65
414FDS25 pdf Shortpass Dichroic Filter 745 414 25.0 1.1 Borosilicate
$27.73
414FDS50 pdf Shortpass Dichroic Filter 745 414 50.0 50.0 1.1 Borosilicate
$47.96
450FDS12 pdf Shortpass Dichroic Filter 846 450 12.5 1.1 Borosilicate
$25.65
450FDS25 pdf Shortpass Dichroic Filter 846 450 25.0 1.1 Borosilicate
$27.73
450FDS50 pdf Shortpass Dichroic Filter 846 450 50.0 50.0 1.1 Borosilicate
$47.96
460FDS12 pdf Shortpass Dichroic Filter 862 460 12.5 1.1 Borosilicate
$25.65
460FDS25 pdf Shortpass Dichroic Filter 862 460 25.0 1.1 Borosilicate
$27.73
460FDS50 pdf Shortpass Dichroic Filter 862 460 50.0 50.0 1.1 Borosilicate
$47.96
470FDS12 pdf Shortpass Dichroic Filter 826 470 12.5 1.1 Borosilicate
$25.65
470FDS25 pdf Shortpass Dichroic Filter 826 470 25.0 1.1 Borosilicate
$27.73
470FDS50 pdf Shortpass Dichroic Filter 826 470 50.0 50.0 1.1 Borosilicate
$47.96
480FDS12 pdf Shortpass Dichroic Filter 866 480 12.5 1.1 Borosilicate
$25.65
480FDS25 pdf Shortpass Dichroic Filter 866 480 25.0 1.1 Borosilicate
$27.73
480FDS50 pdf Shortpass Dichroic Filter 866 480 50.0 50.0 1.1 Borosilicate
$47.96
490FDS12 pdf Shortpass Dichroic Filter 932 490 12.5 1.1 Borosilicate
$25.65
490FDS25 pdf Shortpass Dichroic Filter 932 490 25.0 1.1 Borosilicate
$27.73
490FDS50 pdf Shortpass Dichroic Filter 932 490 50.0 50.0 1.1 Borosilicate
$47.96
500FDS12 pdf Shortpass Dichroic Filter 710 500 12.5 1.1 Borosilicate
$25.65
500FDS25 pdf Shortpass Dichroic Filter 710 500 25.0 1.1 Borosilicate
$27.73
500FDS50 pdf Shortpass Dichroic Filter 710 500 50.0 50.0 1.1 Borosilicate
$47.96
510FDS12 pdf Shortpass Dichroic Filter 737 510 12.5 1.1 Borosilicate
$25.65
510FDS25 pdf Shortpass Dichroic Filter 737 510 25.0 1.1 Borosilicate
$27.73
510FDS50 pdf Shortpass Dichroic Filter 737 510 50.0 50.0 1.1 Borosilicate
$47.96
520FDS12 pdf Shortpass Dichroic Filter 746 520 12.5 1.1 Borosilicate
$25.65
520FDS25 pdf Shortpass Dichroic Filter 746 520 25.0 1.1 Borosilicate
$27.73
520FDS50 pdf Shortpass Dichroic Filter 746 520 50.0 50.0 1.1 Borosilicate
$47.96
530FDS12 pdf Shortpass Dichroic Filter 750 530 12.5 1.1 Borosilicate
$25.65
530FDS25 pdf Shortpass Dichroic Filter 750 530 25.0 1.1 Borosilicate
$27.73
530FDS50 pdf Shortpass Dichroic Filter 750 530 50.0 50.0 1.1 Borosilicate
$47.96
541FDS12 pdf Shortpass Dichroic Filter 774 541 12.5 1.1 Borosilicate
$25.65
541FDS25 pdf Shortpass Dichroic Filter 774 541 25.0 1.1 Borosilicate
$27.73
541FDS50 pdf Shortpass Dichroic Filter 774 541 50.0 50.0 1.1 Borosilicate
$47.96
550FDS12 pdf Shortpass Dichroic Filter 788 550 12.5 1.1 Borosilicate
$25.65
550FDS25 pdf Shortpass Dichroic Filter 788 550 25.0 1.1 Borosilicate
$27.73
550FDS50 pdf Shortpass Dichroic Filter 788 550 50.0 50.0 1.1 Borosilicate
$47.96
560FDS12 pdf Shortpass Dichroic Filter 796 560 12.5 1.1 Borosilicate
$25.65
560FDS25 pdf Shortpass Dichroic Filter 796 560 25.0 1.1 Borosilicate
$27.73
560FDS50 pdf Shortpass Dichroic Filter 796 560 50.0 50.0 1.1 Borosilicate
$47.96
570FDS12 pdf Shortpass Dichroic Filter 822 570 12.5 1.1 Borosilicate
$25.65
570FDS25 pdf Shortpass Dichroic Filter 822 570 25.0 1.1 Borosilicate
$27.73
570FDS50 pdf Shortpass Dichroic Filter 822 570 50.0 50.0 1.1 Borosilicate
$47.96
581FDS12 pdf Shortpass Dichroic Filter 837 581 12.5 1.1 Borosilicate
$25.65
581FDS25 pdf Shortpass Dichroic Filter 837 581 25.0 1.1 Borosilicate
$27.73
581FDS50 pdf Shortpass Dichroic Filter 837 581 50.0 50.0 1.1 Borosilicate
$47.96
590FDS12 pdf Shortpass Dichroic Filter 845 590 12.5 1.1 Borosilicate
$25.65
590FDS25 pdf Shortpass Dichroic Filter 845 590 25.0 1.1 Borosilicate
$27.73
590FDS50 pdf Shortpass Dichroic Filter 845 590 50.0 50.0 1.1 Borosilicate
$47.96
730FDS12 pdf Shortpass Dichroic Filter 730 12.5 1.1 Borosilicate
$26.06
730FDS25 pdf Shortpass Dichroic Filter 730 25.0 1.1 Borosilicate
$28.43
730FDS50 pdf Shortpass Dichroic Filter 730 50.0 50.0 1.1 Borosilicate
$48.65

51 Items

1

Shortpass Dichroic Filters

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