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Colour Glass Filters are polished sheets of special glass that have been cast with a dye included in it. Colour Glass Bandpass Filters are generally relatively cheap and very stable. The disadvantage with them is that they are only available in a relatively small number of variants, and so can be restrictive in bandpass selection.  Interference filters are then the best option however a more expensive choice is. 

The filters listed here are of the band-pass type and have uniform spectral transmission properties over their entire aperture. A wide range of band-pass filters are available with circular filters of 25mm diameter and square 50x50mm filters. These filters are primarily used in applications such as agriculture analysis, medical analysers and fluorescence applications.

Colour glass filters also have high transmissions at selected wavelengths therefore ideal where the angle of incidence of the incident light cannot be tightly controlled.

Material:
Diameter:
Length/Width:
Thickness:
Surface Quality:
Parallelism:
Colour glass
+0/-0.20 mm
± 0.20 mm
± 0.20 mm
<60-40 scratch/dig
<3 arcmin

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)
Wavelength peak is centre wavelength

Mounting of diameters and squares.
Antireflective coatings can be applied to one or both faces for improved transmission.
Cutting down or edged to special shapes and sizes at short notice.
Available in sets, supplied in a wooden storage box for research and laboratory use.

21 Items

Name Wavelength cut-on (nm) CWL (nm) Wavelength cut-off (nm) Equivalent material Colour Diameter (mm) Length (mm) Width (mm) Thickness (mm) Mounted/Unmounted Type Price Buy
320FCS2500 pdf 245 320 390 UG5 Black- UV transmitting 25 3 Unmounted Bandpass
US$42.66
320FCS5050 pdf 245 320 390 UG5 Black- UV transmitting 50 50 3 Unmounted Bandpass
US$80.27
340FCS1000 280 330 370 UG11/Equivalent Black- UV transmitting 10 2.5 Unmounted Bandpass
US$3.75
330FCS2500 pdf 280 330 370 UG11 Black- UV transmitting 25 3 Unmounted Bandpass
US$42.66
330FCS5050 pdf 280 330 370 UG11 Black- UV transmitting 50 50 3 Unmounted Bandpass
US$80.27
360FCS2500 pdf 330 360 380 UG1 Black- UV transmitting 25 3 Unmounted Bandpass
US$25.23
360FCS5050 pdf 330 360 380 UG1 Black- UV transmitting 50 50 3 Unmounted Bandpass
US$50.30
390FCS2500 pdf 335 390 445 BG25 Deep blue 25 3 Unmounted Bandpass
US$25.23
390FCS5050 pdf 335 390 445 BG25 Deep blue 50 50 3 Unmounted Bandpass
US$50.30
445FCS1600 365 445 480 BG28 Blue 16 3 Unmounted Bandpass
US$47.09
445FCS2500 pdf 365 445 480 BG28 Blue 25 3 Unmounted Bandpass
US$25.23
445FCS5050 pdf 365 445 480 BG28 Blue 50 50 3 Unmounted Bandpass
US$50.30
466FCS2500 pdf 365 465 540 BG23 Bright blue 25 3 Unmounted Bandpass
US$25.23
466FCS5050 pdf 365 465 540 BG23 Bright blue 50 50 3 Unmounted Bandpass
US$50.30
476FCS2500 pdf 415 475 525 BG7 Blue 25 3 Unmounted Bandpass
US$25.23
476FCS5050 pdf 415 475 525 BG7 Blue 50 50 3 Unmounted Bandpass
US$50.30
520FCS0800 415 515 575 BG18 Blue-green 8.6 3 Unmounted Bandpass
US$12.23
520FCS2500 pdf 415 515 575 BG18 Blue-green 25 3 Unmounted Bandpass
US$25.23
520FCS5050 pdf 415 515 575 BG18 Blue-green 50 50 3 Unmounted Bandpass
US$50.30
521FCS2500 pdf 465 520 565 VG6 Blue-green 25 3 Unmounted Bandpass
US$25.23
521FCS5050 pdf 465 520 565 VG6 Blue-green 50 50 3 Unmounted Bandpass
US$50.30

21 Items

1

Bandpass Colour Glass Filters

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