Optical Diffusers

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Optical components with surfaces designed to evenly diffuse light across a beam reducing its spatial coherence. Learn More

Product	Substrate	Wavelength Range	Dimensions	Availability	Price (USD)
Ground Glass Diffuser	Synthetic Fused Silica	200 - 2000 nm	Ø 30 mm	Contact Supplier	$ 49.00
Product Code Wavelength Range 200 - 2000 nm Diameter 30 mm Dimensions Ø 30 mm Thickness 2 mm Substrate Synthetic Fused Silica Shape Round Grit 240 Clear Aperture 27 mm Weight 5 g Rear Surface Polished (Surface flatness: about 4λ) Supplier Location California, USA See product details More from OptoSigma
Ground Glass Diffuser	Float Glass	350 - 2000 nm	Ø 50 mm	In stock	$ 17.75
Product Code Wavelength Range 350 - 2000 nm Coating Uncoated Diameter 50 mm Dimensions Ø 50 mm Thickness 1.6 mm Substrate Float Glass Shape Round Grit 600 Diameter Tolerance ±0.25 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Ground Glass Diffuser	B 270	-	Ø 50 mm	2 weeks	$ 42.00
Product Code Diameter 50 mm Dimensions Ø 50 mm Thickness 2.5 mm (Center) Substrate B 270 Shape Round Weight 13 g Center Thickness 2.5 mm Supplier Location Pennsylvania, USA See product details More from Excelitas
Ground Glass Diffuser	N-BK7	< 350 - 700 nm (0.5%, 0°, Coating Range)	Ø 25.4 mm (1")	In stock	$ 51.67
Product Code Wavelength Range < 350 - 700 nm (0.5%, 0°, Coating Range) Coating Uncoated Reflectance < 0.5% (350 - 700 nm, 0°, Average) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm Parallelism < 3' Substrate N-BK7 Shape Round Grit 220 Clear Aperture > 22.86 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < 4λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	UV Fused Silica	175 - 2500 nm	Ø 15 mm	Contact Supplier	$ 42.74
Product Code Wavelength Range 175 - 2500 nm Center Wavelength 175 - 2500 nm Diameter 15 mm Dimensions Ø 15 mm Thickness 2 mm Substrate UV Fused Silica Shape Round Grit 40 Diameter Tolerance +0/-0.25 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Ground Glass Diffuser	BK7	200 - 2000 nm	Ø 50 mm	Contact Supplier	$ 48.00
Product Code Wavelength Range 200 - 2000 nm Diameter 50 mm Dimensions Ø 50 mm Thickness 2 mm Substrate BK7 Shape Round Grit 800 Clear Aperture 45 mm Weight 10 g Rear Surface Polished (Surface flatness: about 4λ) Supplier Location California, USA See product details More from OptoSigma
Ground Glass Diffuser	N-BK7	310 - 2700 nm	Ø 12.7 mm (0.5")	In stock	$ 30.00
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2 mm Parallelism < 3' Substrate N-BK7 Shape Round Grit 1500 Clear Aperture > 11.43 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < 4λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	Borosilicate	320 - 2600 nm	Ø 40 mm	Contact Supplier	$ 28.98
Product Code Wavelength Range 320 - 2600 nm Center Wavelength 320 - 2600 nm Diameter 40 mm Dimensions Ø 40 mm Thickness 3.3 mm Substrate Borosilicate Shape Round Grit 40 Diameter Tolerance +0/-0.25 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Ground Glass Diffuser	N-BK7	310 - 2700 nm	Ø 50.8 mm (2")	In stock	$ 44.85
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 2 mm Parallelism < 3' Substrate N-BK7 Shape Round Grit 220 Clear Aperture > 45.72 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < 4λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	Synthetic Fused Silica	200 - 2000 nm	Ø 50 mm	Contact Supplier	$ 94.00
Product Code Wavelength Range 200 - 2000 nm Diameter 50 mm Dimensions Ø 50 mm Thickness 2 mm Substrate Synthetic Fused Silica Shape Round Grit 1000 Clear Aperture 45 mm Weight 9 g Rear Surface Polished (Surface flatness: about 4λ) Supplier Location California, USA See product details More from OptoSigma
Ground Glass Diffuser	N-BK7	310 - 2700 nm	100 x 100 mm	In stock	$ 53.47
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Dimensions 100 x 100 mm Thickness 2 mm Parallelism < 3' Substrate N-BK7 Shape Square Grit 600 Clear Aperture > 90 x 90 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < 4λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	Synthetic Fused Silica	200 - 2000 nm	Ø 50 mm	Contact Supplier	$ 94.00
Product Code Wavelength Range 200 - 2000 nm Diameter 50 mm Dimensions Ø 50 mm Thickness 2 mm Substrate Synthetic Fused Silica Shape Round Grit 800 Clear Aperture 45 mm Weight 9 g Rear Surface Polished (Surface flatness: about 4λ) Supplier Location California, USA See product details More from OptoSigma
Ground Glass Diffuser	Float Glass	350 - 2000 nm	Ø 10 mm	In stock	$ 18.50
Product Code Wavelength Range 350 - 2000 nm Coating Uncoated Diameter 10 mm Dimensions Ø 10 mm Thickness 1.6 mm Substrate Float Glass Shape Round Grit 220 Diameter Tolerance ±0.25 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Ground Glass Diffuser	UV Fused Silica	195 - 2100 nm	Ø 25.4 mm (1")	In stock	$ 32.97
Product Code Wavelength Range 195 - 2100 nm Coating Uncoated Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm Parallelism < 3' Substrate UV Fused Silica Shape Round Grit 120 Clear Aperture > 22.86 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	Float Glass	350 - 2000 nm	50 x 50 mm	In stock	$ 24.50
Product Code Wavelength Range 350 - 2000 nm Coating Uncoated Dimensions 50 x 50 mm Thickness 1.6 mm Substrate Float Glass Shape Square Grit 220 Width 50 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Ground Glass Diffuser	N-BK7	310 - 2700 nm	Ø 25.4 mm (1")	In stock	$ 57.92
Product Code Wavelength Range 310 - 2700 nm Reflection Wavelength 800 - 20000 nm Coating Uncoated Reflectance > 96% (800 - 20000 nm, 0 - 45°, Average, 0°) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 2 mm (0.08") Parallelism < 3' Substrate N-BK7 Shape Round Grit 1500 Clear Aperture > 22.86 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	N-BK7	310 - 2700 nm	Ø 12.7 mm (0.5")	In stock	$ 14.74
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2 mm Parallelism < 3' Substrate N-BK7 Shape Round Grit 120 Clear Aperture > 11.43 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < 4λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Mount Unmounted Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	Synthetic Fused Silica	200 - 2000 nm	Ø 50 mm	Contact Supplier	$ 94.00
Product Code Wavelength Range 200 - 2000 nm Diameter 50 mm Dimensions Ø 50 mm Thickness 2 mm Substrate Synthetic Fused Silica Shape Round Grit 1500 Clear Aperture 45 mm Weight 9 g Rear Surface Polished (Surface flatness: about 4λ) Supplier Location California, USA See product details More from OptoSigma
Ground Glass Diffuser	N-BK7	310 - 2700 nm	Ø 50.8 mm (2")	In stock	$ 20.43
Product Code Wavelength Range 310 - 2700 nm Coating Uncoated Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 2 mm Parallelism < 3' Substrate N-BK7 Shape Round Grit 220 Clear Aperture > 45.72 mm Diameter Tolerance +0/-0.25 mm Thickness Tolerance ±0.2 mm Surface Irregularity < 4λ (633 nm, Flatness) Surface Quality 80-50 scratch-dig Mount Unmounted Supplier Location New Jersey, USA See product details More from Thorlabs
Ground Glass Diffuser	Synthetic Fused Silica	200 - 2000 nm	Ø 30 mm	Contact Supplier	$ 49.00
Product Code Wavelength Range 200 - 2000 nm Diameter 30 mm Dimensions Ø 30 mm Thickness 2 mm Substrate Synthetic Fused Silica Shape Round Grit 1000 Clear Aperture 27 mm Weight 5 g Rear Surface Polished (Surface flatness: about 4λ) Supplier Location California, USA See product details More from OptoSigma