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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. Added with chemical resistance and an economical priced material for durability. 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.

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

Material:
Fused Quartz Heraeus HOQ310 or equivalent
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

Currency select:

Part No Data
sheet
Description Diameter (mm)Thickness (mm) Unit price
(1-10)
Qty
Qty
(10+)Volume pricing available for 10+, please add to quote.
FQW-0351 PDF Fused Quartz Window Ø 3.501 £12.30
QTY
Added. View quote
FQW-0352 PDF Fused Quartz Window Ø 3.502 £12.50
QTY
Added. View quote
FQW-041 PDF Fused Quartz Window Ø 41 £12.00
QTY
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FQW-051 PDF Fused Quartz Window Ø 51 £8.00
QTY
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FQW-052 PDF Fused Quartz Window Ø 52 £9.00
QTY
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FQW-061 PDF Fused Quartz Window Ø 61 £13.50
QTY
Added. View quote
FQW-081 PDF Fused Quartz Window Ø 81 £14.50
QTY
Added. View quote
FQW-101 PDF Fused Quartz Window Ø 101 £8.00
QTY
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FQW-102 PDF Fused Quartz Window Ø 102 £8.50
QTY
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FQW-103 PDF Fused Quartz Window Ø 103 £9.00
QTY
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FQW-121 PDF Fused Quartz Window Ø 121 £8.50
QTY
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FQW-122 PDF Fused Quartz Window Ø 122 £9.00
QTY
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FQW-123 PDF Fused Quartz Window Ø 123 £9.50
QTY
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FQW-1251 PDF Fused Quartz Window Ø 12.501 £8.75
QTY
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FQW-1252 PDF Fused Quartz Window Ø 12.502 £9.25
QTY
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FQW-151 PDF Fused Quartz Window Ø 151 £9.00
QTY
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FQW-152 PDF Fused Quartz Window Ø 152 £9.00
QTY
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FQW-153 PDF Fused Quartz Window Ø 153 £8.20
QTY
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FQW-201 PDF Fused Quartz Window Ø 201 £10.50
QTY
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FQW-202 PDF Fused Quartz Window Ø 202 £11.00
QTY
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FQW-203 PDF Fused Quartz Window Ø 203 £12.00
QTY
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FQW-251 PDF Fused Quartz Window Ø 251 £14.00
QTY
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FQW-252 PDF Fused Quartz Window Ø 252 £15.00
QTY
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FQW-253 PDF Fused Quartz Window Ø 253 £13.00
QTY
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FQW-254 PDF Fused Quartz Window Ø 254 £18.00
QTY
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FQW-256 PDF Fused Quartz Window Ø 256 £21.00
QTY
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FQW-2541 PDF Fused Quartz Window Ø 25.41 £15.00
QTY
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FQW-2542 PDF Fused Quartz Window Ø 25.42 £17.00
QTY
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FQW-301 PDF Fused Quartz Window Ø 301 £19.00
QTY
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FQW-302 PDF Fused Quartz Window Ø 302 £22.00
QTY
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FQW-303 PDF Fused Quartz Window Ø 303 £23.00
QTY
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FQW-304 PDF Fused Quartz Window Ø 304 £25.00
QTY
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FQW-351 PDF Fused Quartz Window Ø 351 £21.00
QTY
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FQW-352 PDF Fused Quartz Window Ø 352 £22.00
QTY
Added. View quote
FQW-353 PDF Fused Quartz Window Ø 353 £23.00
QTY
Added. View quote
FQW-401 PDF Fused Quartz Window Ø 401 £23.00
QTY
Added. View quote
FQW-402 PDF Fused Quartz Window Ø 402 £24.00
QTY
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FQW-403 PDF Fused Quartz Window Ø 403 £20.00
QTY
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FQW-405 PDF Fused Quartz Window Ø 405 £28.00
QTY
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FQW-452 PDF Fused Quartz Window Ø 452 £25.00
QTY
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FQW-501 PDF Fused Quartz Window Ø 501 £23.00
QTY
Added. View quote
FQW-502 PDF Fused Quartz Window Ø 502 £26.00
QTY
Added. View quote
FQW-503 PDF Fused Quartz Window Ø 503 £29.00
QTY
Added. View quote
FQW-506 PDF Fused Quartz Window Ø 506 £35.00
QTY
Added. View quote
FQW-602 PDF Fused Quartz Window Ø 602 £31.00
QTY
Added. View quote
FQW-7510 PDF Fused Quartz Window Ø 751 £38.00
QTY
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FQW-7520 PDF Fused Quartz Window Ø 752 £36.00
QTY
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FQW-7530 PDF Fused Quartz Window Ø 753 £39.00
QTY
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FQW-7560 PDF Fused Quartz Window Ø 756 £48.00
QTY
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FQW-8030 PDF Fused Quartz Window Ø 803 £45.00
QTY
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FQW-10050 PDF Fused Quartz Window Ø 1000.50 £125.00
QTY
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FQW-1001 PDF Fused Quartz Window Ø 1001 £86.00
QTY
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FQW-1002 PDF Fused Quartz Window Ø 1002 £74.00
QTY
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FQW-1003 PDF Fused Quartz Window Ø 1003 £77.00
QTY
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FQW-1006 PDF Fused Quartz Window Ø 1006 £110.00
QTY
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FQW-1503 PDF Fused Quartz Window Ø 1503 £122.00
QTY
Added. View quote
FQW-1506 PDF Fused Quartz Window Ø 1506 £169.00
QTY
Added. View quote
FQW-1510 PDF Fused Quartz Window Ø 15010 £245.00
QTY
Added. View quote

Part Number

FQW-0351

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 3.50

Thickness (mm) 1

UNIT PRICE (1-50)

£12.30 Inc. VAT

QTY

Part Number

FQW-0352

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 3.50

Thickness (mm) 2

UNIT PRICE (1-50)

£12.50 Inc. VAT

QTY

Part Number

FQW-041

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 4

Thickness (mm) 1

UNIT PRICE (1-50)

£12.00 Inc. VAT

QTY

Part Number

FQW-051

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 5

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£8.00 Inc. VAT

QTY

Part Number

FQW-052

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 5

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£9.00 Inc. VAT

QTY

Part Number

FQW-061

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 6

Thickness (mm) 1

UNIT PRICE (1-50)

£13.50 Inc. VAT

QTY

Part Number

FQW-081

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 8

Thickness (mm) 1

UNIT PRICE (1-50)

£14.50 Inc. VAT

QTY

Part Number

FQW-101

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£8.00 Inc. VAT

QTY

Part Number

FQW-102

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£8.50 Inc. VAT

QTY

Part Number

FQW-103

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£9.00 Inc. VAT

QTY

Part Number

FQW-121

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 12

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£8.50 Inc. VAT

QTY

Part Number

FQW-122

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 12

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£9.00 Inc. VAT

QTY

Part Number

FQW-123

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 12

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£9.50 Inc. VAT

QTY

Part Number

FQW-1251

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 12.50

Thickness (mm) 1

UNIT PRICE (1-50)

£8.75 Inc. VAT

QTY

Part Number

FQW-1252

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 12.50

Thickness (mm) 2

UNIT PRICE (1-50)

£9.25 Inc. VAT

QTY

Part Number

FQW-151

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 15

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£9.00 Inc. VAT

QTY

Part Number

FQW-152

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 15

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£9.00 Inc. VAT

QTY

Part Number

FQW-153

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 15

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£8.20 Inc. VAT

QTY

Part Number

FQW-201

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 20

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£10.50 Inc. VAT

QTY

Part Number

FQW-202

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 20

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£11.00 Inc. VAT

QTY

Part Number

FQW-203

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 20

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£12.00 Inc. VAT

QTY

Part Number

FQW-251

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£14.00 Inc. VAT

QTY

Part Number

FQW-252

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£15.00 Inc. VAT

QTY

Part Number

FQW-253

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£13.00 Inc. VAT

QTY

Part Number

FQW-254

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 4

Focal Length (mm) 0

UNIT PRICE (1-50)

£18.00 Inc. VAT

QTY

Part Number

FQW-256

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 6

Focal Length (mm) 0

UNIT PRICE (1-50)

£21.00 Inc. VAT

QTY

Part Number

FQW-2541

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25.4

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£15.00 Inc. VAT

QTY

Part Number

FQW-2542

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 25.4

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£17.00 Inc. VAT

QTY

Part Number

FQW-301

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 30

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£19.00 Inc. VAT

QTY

Part Number

FQW-302

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 30

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£22.00 Inc. VAT

QTY

Part Number

FQW-303

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 30

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£23.00 Inc. VAT

QTY

Part Number

FQW-304

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 30

Thickness (mm) 4

Focal Length (mm) 0

UNIT PRICE (1-50)

£25.00 Inc. VAT

QTY

Part Number

FQW-351

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 35

Thickness (mm) 1

UNIT PRICE (1-50)

£21.00 Inc. VAT

QTY

Part Number

FQW-352

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 35

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£22.00 Inc. VAT

QTY

Part Number

FQW-353

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 35

Thickness (mm) 3

UNIT PRICE (1-50)

£23.00 Inc. VAT

QTY

Part Number

FQW-401

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 40

Thickness (mm) 1

UNIT PRICE (1-50)

£23.00 Inc. VAT

QTY

Part Number

FQW-402

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 40

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£24.00 Inc. VAT

QTY

Part Number

FQW-403

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 40

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£20.00 Inc. VAT

QTY

Part Number

FQW-405

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 40

Thickness (mm) 5

Focal Length (mm) 0

UNIT PRICE (1-50)

£28.00 Inc. VAT

QTY

Part Number

FQW-452

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 45

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£25.00 Inc. VAT

QTY

Part Number

FQW-501

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£23.00 Inc. VAT

QTY

Part Number

FQW-502

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£26.00 Inc. VAT

QTY

Part Number

FQW-503

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£29.00 Inc. VAT

QTY

Part Number

FQW-506

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 6

Focal Length (mm) 0

UNIT PRICE (1-50)

£35.00 Inc. VAT

QTY

Part Number

FQW-602

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 60

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£31.00 Inc. VAT

QTY

Part Number

FQW-7510

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 75

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£38.00 Inc. VAT

QTY

Part Number

FQW-7520

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 75

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£36.00 Inc. VAT

QTY

Part Number

FQW-7530

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 75

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£39.00 Inc. VAT

QTY

Part Number

FQW-7560

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 75

Thickness (mm) 6

UNIT PRICE (1-50)

£48.00 Inc. VAT

QTY

Part Number

FQW-8030

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 80

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£45.00 Inc. VAT

QTY

Part Number

FQW-10050

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 100

Thickness (mm) 0.50

UNIT PRICE (1-50)

£125.00 Inc. VAT

QTY

Part Number

FQW-1001

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 100

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£86.00 Inc. VAT

QTY

Part Number

FQW-1002

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 100

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£74.00 Inc. VAT

QTY

Part Number

FQW-1003

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 100

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£77.00 Inc. VAT

QTY

Part Number

FQW-1006

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 100

Thickness (mm) 6

Focal Length (mm) 0

UNIT PRICE (1-50)

£110.00 Inc. VAT

QTY

Part Number

FQW-1503

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 150

Thickness (mm) 3

Focal Length (mm) 0

UNIT PRICE (1-50)

£122.00 Inc. VAT

QTY

Part Number

FQW-1506

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 150

Thickness (mm) 6

Focal Length (mm) 0

UNIT PRICE (1-50)

£169.00 Inc. VAT

QTY

Part Number

FQW-1510

Fused Quartz Window

PDF Data sheet

Diameter (mm) Ø 150

Thickness (mm) 10

Focal Length (mm) 0

UNIT PRICE (1-50)

£245.00 Inc. VAT

QTY