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Colour Filters - Glass Type - Long-pass - 25 mm diameter

Solid Colour Glass filters achieve considerably higher blocking densities than dichorics and are used within selective wavelength absorption. The filters spectral transmission properties are uniform over the entire aperture and the following thicknesses have been chosen for average blocking percentages in relation to their type. If you require a different wavelength block, we can simply calculate the thickness necessary to achieve your required wavelength.
Our photonic filters (530FCS5050) are used with silicon detectors or cameras to adapt the spectral response. The following list of Schott Colour Glass filters are of the circular long-pass type with a diameter of 25mm.

Specifications:

Material: Schott Colour Glass
Diameter: +0.0 / -0.25 mm
Length / Width: ± 0.25 mm
Thickness: ± 0.20 mm
Surface Quality: <60-40 scratch/dig
Flatness: <2.5λ over 90% test area
Parrallelism: <3 arcmin

 

Note

Wavelength listed in table is transition wavelength (T=Tmax/2) for long-pass and short-pass filters, and peak for band-pass filters.

 



Options available

>> Mounting (Circles) >> Special AR coating >> Cutting down or edged to special shapes and sizes

 

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Part No. Material Wavelength (nm) Description Diameter (mm) Thickness (mm) Price (Ex.VAT) Buy Now Get Quote
280FCS - WG280 Schott Colour Glass Filter - 280nm Longpass    280FCS2500 WG280 280 Colourless filters, transmitting visible and some UV 25 2 £13.45
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315FCS - WG320 Schott Colour Glass Filter - 315nm Longpass    315FCS2500 WG320 315 Colourless filters, transmitting visible and some UV 25 2 £13.45
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345FCS2500 UV34 (Hoya) 340 Colourless filters, transmitting visible and some UV 25 2.5 £17.30
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361FCS2500 WG360 360 Colourless filters, transmitting visible and some UV 25 3 £13.45
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375FCS - GG375 Schott Colour Glass filter - 375nm Longpass    375FCS2500 GG375 375 Colourless, UV-absorbing 25 3 £13.45
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385FCS - GG385 Schott Colour Glass filter - 385nm Longpass    385FCS2500 GG385 385 Colourless, UV-absorbing 25 3 £13.45
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395FCS - GG395 Schott Colour Glass filter - 395nm Longpass    395FCS2500 GG395 395 Colourless, UV-absorbing 25 3 £13.45
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420FCS - GG420 Schott Colour Glass filter - 420nm Longpass    420FCS2500 GG420 420 Very pale yellow, UV-absorbing 25 3 £13.45
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435FCS - GG435 Schott Colour Glass filter - 435nm Longpass    435FCS2500 GG435 435 Very pale yellow, UV-absorbing 25 3 £13.45
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455FCS - GG455 Schott Colour Glass filter - 455nm Longpass    455FCS2500 GG455 455 Pale yellow 25 3 £13.45
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475FCS - GG475 Schott Colour Glass filter - 475nm Longpass    475FCS2500 GG475 475 Yellow 25 3 £13.45
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495FCS - GG495 Schott Colour Glass filter - 495nm Longpass    495FCS2500 GG495 495 Yellow 25 3 £13.45
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515FCS - OG515 Schott Colour Glass filter - 515nm Longpass    515FCS2500 OG515 515 Deep yellow 25 3 £13.45
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530FCS - OG530 Schott Colour Glass filter - 530nm Longpass    530FCS2500 BG18 520 Green 25 3 £13.45
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550FCS - OG550 Schott Colour Glass filter - 550nm Longpass    550FCS2500 OG550 550 Orange 25 3 £13.45
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570FCS - OG570 Schott Colour Glass filter - 570nm Longpass    570FCS2500 OG570 570 Orange/ red 25 3 £13.45
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590FCS - OG590 Schott Colour Glass filter - 590nm Longpass    590FCS2500 OG590 590 Bright red 25 3 £13.45
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610FCS - RG610 Schott Colour Glass filter - 610nm Longpass    610FCS2500 RG610 610 Red 25 3 £13.45
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630FCS - RG630 Schott Colour Glass filter - 630nm Longpass    630FCS2500 RG630 630 Deep red 25 3 £13.45
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645FCS - RG645 Schott Colour Glass filter - 645nm Longpass    645FCS2500 RG645 645 Very deep red 25 3 £13.45
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655FCS - RG655 Schott Colour Glass filter - 655nm Longpass    665FCS2500 RG665 665 Extreme red/ IR transmitting 25 3 £13.45
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695FCS - RG695 Schott Colour Glass filter - 695nm Longpass    695FCS2500 RG695 695 Extreme red/ IR transmitting 25 3 £13.45
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715FCS - RG715 Schott Colour Glass filter - 715nm Longpass    715FCS2500 RG715 715 Black, pass of IR from stated wavelength 25 3 £15.90
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780FCS - RG780 Schott Colour Glass filter - 780nm Longpass    780FCS2500 RG780 780 Black, pass of IR from stated wavelength 25 3 £15.90
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850FCS - RG850 Schott Colour Glass filter - 850nm Longpass    850FCS2500 RG850 850 Black filters absorb vis, trans IR up to 2500nm 25 3 £15.90
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1111000FCS - RG1000 Schott Colour Glass filter - 1000nm Longpass    1000FCS2500 RG1000 1000 Black, pass of IR from stated wavelength 25 3 £15.90
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Knight Optical (UK) Ltd,
Roebuck Business Park, Harrietsham, Kent, ME17 1AB, England
Phone: +44 (0)1622 859444 • Fax: +44 (0)1622 859555
E-mail: info@knightoptical.co.uk