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Fused Quartz Windows

UQG Optics supply Fused Quartz windows, discs and substrates. Fused Quartz is harder than general glass with a high temperature stability to 1050°C and resistance to thermal shock. Fused Quartz also posseses chemical resistance and its durability makes it an economically priced material. Transmission is useful from 260nm to over 2 microns and there are many grades from commercial to precision making it a good choice for industrial and optical applications. They can be made in large diameters and thicknesses and to custom options. UQG Optics stock a range of standard sizes and thicknesses. Used in all industries typically in lamps, instruments, viewports and protecting sensitive equipment from the elements. For Quartz windows less than 1mm thick there is a range of Fused Quartz cover slips with thicknesses down to 0.10mm thick.

Please contact our sales team.

View RoHS Statement

Dimensions:	Diameters 5mm to 400mm/Commercial grade up to 1200mm x 1200mm
Thickness Range:	0.1mm to 50mm (subject to dimension)
Dimension/Thickness:	Tol up to 0.02mm
Edge Finish:	Ground or polished
Surface Quality:	80/50 to 20/10 scratch/dig
Surface Flatness:	Up to lambda 10 (@633nm)
Parallelism:	Up to 10 seconds
Material Options:	Commercial Grade Quartz, Heraeus Herasil, GE124
Coating Options:	AR coatings
Options:	Edges polished, wedges, shapes, drilled holes & bevelled angles

Purchase OEM production quantities?
Ask UQG for a quote we are a major single source supply chain global supplier.

Material:

Fused Quartz

Dimension Tolerance:

+.00/ -.10mm Diameters 8mm and below ± 0.10mm

Thickness Tolerance:

+/- 0.10mm

Edge Finish:

Fine ground

Surface Quality:

60/40 Scratch/Dig

Surface Flatness:

1-2 Fringes (@633nm) per 25mm dia

Parallelism:

≤ 3 Arc mins

Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities.

Part numbers listed with enquire, please contact us for prices & delivery times.

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Part No	Data sheet	Description	Diameter (mm)	Thickness (mm)	Unit price (1-10) excl. VAT	Qty	Qty (10+)Volume pricing available for 10+, please add to quote.
FQW-0351	PDF	Fused Quartz Window	Ø 3.50	1	£12.30	QTY Fused Quartz Window quantity	Added to Quote
FQW-0352	PDF	Fused Quartz Window	Ø 3.50	2	£12.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-041	PDF	Fused Quartz Window	Ø 4	1	£12.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-051	PDF	Fused Quartz Window	Ø 5	1	£8.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-052	PDF	Fused Quartz Window	Ø 5	2	£9.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-061	PDF	Fused Quartz Window	Ø 6	1	£13.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-081	PDF	Fused Quartz Window	Ø 8	1	£14.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-101	PDF	Fused Quartz Window	Ø 10	1	£8.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-102	PDF	Fused Quartz Window	Ø 10	2	£8.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-103	PDF	Fused Quartz Window	Ø 10	3	£9.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-121	PDF	Fused Quartz Window	Ø 12	1	£8.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-122	PDF	Fused Quartz Window	Ø 12	2	£9.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-123	PDF	Fused Quartz Window	Ø 12	3	£9.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-1251	PDF	Fused Quartz Window	Ø 12.50	1	£8.75	QTY Fused Quartz Window quantity	Added to Quote
FQW-1252	PDF	Fused Quartz Window	Ø 12.50	2	£9.25	QTY Fused Quartz Window quantity	Added to Quote
FQW-151	PDF	Fused Quartz Window	Ø 15	1	£9.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-152	PDF	Fused Quartz Window	Ø 15	2	£9.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-153	PDF	Fused Quartz Window	Ø 15	3	£8.20	QTY Fused Quartz Window quantity	Added to Quote
FQW-201	PDF	Fused Quartz Window	Ø 20	1	£10.50	QTY Fused Quartz Window quantity	Added to Quote
FQW-202	PDF	Fused Quartz Window	Ø 20	2	£11.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-203	PDF	Fused Quartz Window	Ø 20	3	£12.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-251	PDF	Fused Quartz Window	Ø 25	1	£14.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-252	PDF	Fused Quartz Window	Ø 25	2	£15.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-253	PDF	Fused Quartz Window	Ø 25	3	£13.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-254	PDF	Fused Quartz Window	Ø 25	4	£18.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-256	PDF	Fused Quartz Window	Ø 25	6	£21.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-2541	PDF	Fused Quartz Window	Ø 25.4	1	£15.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-2542	PDF	Fused Quartz Window	Ø 25.4	2	£17.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-301	PDF	Fused Quartz Window	Ø 30	1	£19.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-302	PDF	Fused Quartz Window	Ø 30	2	£22.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-303	PDF	Fused Quartz Window	Ø 30	3	£23.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-304	PDF	Fused Quartz Window	Ø 30	4	£25.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-351	PDF	Fused Quartz Window	Ø 35	1	£21.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-352	PDF	Fused Quartz Window	Ø 35	2	£22.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-353	PDF	Fused Quartz Window	Ø 35	3	£23.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-401	PDF	Fused Quartz Window	Ø 40	1	£23.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-402	PDF	Fused Quartz Window	Ø 40	2	£24.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-403	PDF	Fused Quartz Window	Ø 40	3	£20.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-405	PDF	Fused Quartz Window	Ø 40	5	£28.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-452	PDF	Fused Quartz Window	Ø 45	2	£25.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-501	PDF	Fused Quartz Window	Ø 50	1	£23.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-502	PDF	Fused Quartz Window	Ø 50	2	£26.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-503	PDF	Fused Quartz Window	Ø 50	3	£29.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-506	PDF	Fused Quartz Window	Ø 50	6	£35.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-602	PDF	Fused Quartz Window	Ø 60	2	£31.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-7510	PDF	Fused Quartz Window	Ø 75	1	£38.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-7520	PDF	Fused Quartz Window	Ø 75	2	£36.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-7530	PDF	Fused Quartz Window	Ø 75	3	£39.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-7560	PDF	Fused Quartz Window	Ø 75	6	£48.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-8030	PDF	Fused Quartz Window	Ø 80	3	£45.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-10050	PDF	Fused Quartz Window	Ø 100	0.50	£125.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1001	PDF	Fused Quartz Window	Ø 100	1	£86.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1002	PDF	Fused Quartz Window	Ø 100	2	£74.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1003	PDF	Fused Quartz Window	Ø 100	3	£77.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1006	PDF	Fused Quartz Window	Ø 100	6	£110.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1503	PDF	Fused Quartz Window	Ø 150	3	£122.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1506	PDF	Fused Quartz Window	Ø 150	6	£169.00	QTY Fused Quartz Window quantity	Added to Quote
FQW-1510	PDF	Fused Quartz Window	Ø 150	10	£245.00	QTY Fused Quartz Window quantity	Added to Quote

Part Number

FQW-0351

Fused Quartz Windows

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