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Looking For a Custom Optical Solution? Enquire

Knight Opticals' ground glass diffusers scatter light at angles up to 10°. They are used predominantly in two applications; firstly for focussing and secondly to enhance illumination uniformly in lighting systems.

We stock two types of ground glass diffuser; borosilicate diffusers that cover a range of 310 - 2700nm and UV silica ground glass diffusers which work down to 170nm in the UV.

Ground glass diffusers diffuse light less thoroughly than our opal diffusers but do so with less scattering losses. Our stock diffusers are available to purcahse directly from this site, and we are also able to cut and shape diffuers to custom sizes. For more information on our custom capabilities or to place an order, please contact our technical sales team.

Material:
Diameter:
Length/Width:
Surface A (polished):
Surface B (diffused):
Flatness (surface A):
Borosilicate or equivalentUV fused silica
+0/-0.25 mm
± 0.25 mm
<60-40 scratch-dig
40 micron finish
<5 wave as standard (sheet material not guaranteed)

Cutting down of stock components to smaller diameters and sizes.
Mounting options.
Larger sheets available for custom shapes and sizes.

19 Items

Name Diameter (mm) Length (mm) Width (mm) Thickness (mm) Material Wavelength (nm) Grit Price Buy
DGP1000 pdf 10 3.3 Borosilicate 320-2600 40
$19.81
DGP1300 pdf 12.5 3.3 Borosilicate 320-2600 40
$18.70
DGP1600 pdf 16 3.3 Borosilicate 320-2600 40
$18.70
DGP2500 pdf 25 3.3 Borosilicate 320-2600 40
$19.81
DGP4000 pdf 40 3.3 Borosilicate 320-2600 40
$26.34
DGP5000 pdf 50 3.3 Borosilicate 320-2600 40
$27.73
DGP5011 pdf 50 3.75 Borosilicate 320-2600 40
$29.12
DGP6300 pdf 63 3.3 Borosilicate 320-2600 40
$34.68
DGP10000 pdf 100 3.3 Borosilicate 320-2600 40
$40.94
DGP2525 pdf 25 25 3.3 Borosilicate 320-2600 40
$18.00
DGP4040 pdf 40 40 3.3 Borosilicate 320-2600 40
$23.56
DGP5050 pdf 50 50 3.3 Borosilicate 320-2600 40
$25.65
DGP100100 pdf 100 100 3.3 Borosilicate 320-2600 40
$36.77
DGF1000 pdf 10 2 UVFS 175-2500 40
$31.21
DGF1500 pdf 15 2 UVFS 175-2500 40
$38.85
DGF2500 pdf 25 2 UVFS 175-2500 40
$50.67
DGF4000 pdf 40 3 UVFS 175-2500 40
$77.08
DGF5000 pdf 50 4 UVFS 175-2500 40
$93.76
DGF5050 pdf 50 50 2 UVFS 175-2500 40
$93.76

19 Items

1

Ground Glass Diffusers

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