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Germanium (Ge) Windows - Uncoated & AR/AR - AR DLC Coated

UQG Optics Germanium Windows has excellent transmission across 2-14 µm waveband and can be used in both mid-wave infrared and long wave infrared systems. Germanium is widely used infrared material for windows and lens in thermal imaging systems.

This high density window has a thermal escape which makes the transmission reduce as the temperature of the window increases. Germanium Windows are commonly used in defence and aerospace industries, life and medical sciences, industrial OEM and many other infrared applications.

UQG Optics stock 3 types of Germanium windows, uncoated, AR both sides coated and AR/DLC coated in a range of sizes. Our custom range involves an option of squares/rectangles, materal, shapes and much more.

Please contact our sales team.

Dimensions: Monocrystalline diameters 5mm to 300mm
Polycrystalline diameters 5mm to 380mm
Squares/Rectangles up to 200mm x 200mm
Thickness: 0.50mm to 20mm (subject to Dimension)
Surface Flatness: Up to lambda 4 (@633nm)
Material Options: Polycrystalline
Coating Options: AR coatings 3-12 microns
Options; Bevels, holes, wedges & shapes

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

Material:
Germanium-Optical Grade-Monocrystalline
(N-Type, 5-40 ohm cm resistivity)
Diameter Tolerance:
+.00/-0.10mm
Thickness Tolerance:
± 0.10mm
Edge Finish:
Fine ground
Surface Quality:
60/40 Scratch/Dig
Surface Flatness:
≤ 5 Fringes (@633nm)
Parallelism:
≤ 3 Arc mins
Purity:
>99.9999%
Orientation:
<111>
Transmission Range:
IR 7-14 microns
Coating Specification:
AR/DLC
AR coated one side 7-14
Microns is a blue/pink/purple colour
2nd side DLC is black/dark grey colour
(hard diamond like carbon coating) Tavg > 80%
AR/AR
7-14 Microns Tavg > 85%

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.
GOW-101 PDF Germanium Windows (uncoated) Ø 101 £14.00
QTY
Added. View quote
GOW-102 PDF Germanium Windows (uncoated) Ø 102 £15.00
QTY
Added. View quote
GOW-151 PDF Germanium Windows (uncoated) Ø 151 £17.00
QTY
Added. View quote
GOW-201 PDF Germanium Windows (uncoated) Ø 201 £21.00
QTY
Added. View quote
GOW-251 PDF Germanium Windows (uncoated) Ø 251 £25.00
QTY
Added. View quote
GOW-252 PDF Germanium Windows (uncoated) Ø 252 £27.00
QTY
Added. View quote
GOW-253 PDF Germanium Windows (uncoated) Ø 253 £39.00
QTY
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GOW-254 PDF Germanium Windows (uncoated) Ø 25.41 £26.00
QTY
Added. View quote
GOW-404 PDF Germanium Windows (uncoated) Ø 404 £200.00
QTY
Added. View quote
GOW-503 PDF Germanium Windows (uncoated) Ø 503 £220.00
QTY
Added. View quote
GEW-101 PDF Ge Window AR + AR 7-14 microns Ø 101 £55.00
QTY
Added. View quote
GEW-125 PDF Ge Window AR + AR 7-14 microns Ø 12.501 £82.00
QTY
Added. View quote
GEW-202 PDF Ge Window AR + AR 7-14 microns Ø 202 £90.00
QTY
Added. View quote
GEW-258 PDF Ge Window AR + AR 7-14 microns Ø 251 £95.00
QTY
Added. View quote
GEW-252 PDF Ge Window AR + AR 7-14 microns Ø 252 £105.00
QTY
Added. View quote
GEW-235 PDF Ge Window AR + AR 7-14 microns Ø 253 £110.00
QTY
Added. View quote
GEW-404 PDF Ge Window AR+ AR 7-14 microns Ø 404 £225.00
QTY
Added. View quote
GEW-502 PDF Ge Window AR + AR 7-14 microns Ø 502 £250.00
QTY
Added. View quote
GEW-503 PDF Ge Window AR + AR 7-14 microns Ø 503 £255.00
QTY
Added. View quote
GCW-102 PDF Ge Window AR/DLC 7-14 microns Ø 102 £55.00
QTY
Added. View quote
GCW-253 PDF Ge Windows AR/DLC 7-14 microns Ø 253 £110.00
QTY
Added. View quote
GCW-503 PDF Ge Windows AR/DLC 7-14 microns Ø 503 £230.00
QTY
Added. View quote
GCW-753 PDF Ge Windows AR/DLC 7-14 microns Ø 753 £440.00
QTY
Added. View quote

Part Number

GOW-101

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£14.00 Inc. VAT

QTY

Part Number

GOW-102

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 2

UNIT PRICE (1-50)

£15.00 Inc. VAT

QTY

Part Number

GOW-151

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 15

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£17.00 Inc. VAT

QTY

Part Number

GOW-201

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 20

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£21.00 Inc. VAT

QTY

Part Number

GOW-251

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£25.00 Inc. VAT

QTY

Part Number

GOW-252

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 2

UNIT PRICE (1-50)

£27.00 Inc. VAT

QTY

Part Number

GOW-253

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 3

UNIT PRICE (1-50)

£39.00 Inc. VAT

QTY

Part Number

GOW-254

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 25.4

Thickness (mm) 1

Focal Length (mm) 0

UNIT PRICE (1-50)

£26.00 Inc. VAT

QTY

Part Number

GOW-404

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 40

Thickness (mm) 4

UNIT PRICE (1-50)

£200.00 Inc. VAT

QTY

Part Number

GOW-503

Germanium Windows (uncoated)

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 3

UNIT PRICE (1-50)

£220.00 Inc. VAT

QTY

Part Number

GEW-101

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 1

UNIT PRICE (1-50)

£55.00 Inc. VAT

QTY

Part Number

GEW-125

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 12.50

Thickness (mm) 1

UNIT PRICE (1-50)

£82.00 Inc. VAT

QTY

Part Number

GEW-202

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 20

Thickness (mm) 2

UNIT PRICE (1-50)

£90.00 Inc. VAT

QTY

Part Number

GEW-258

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 1

UNIT PRICE (1-50)

£95.00 Inc. VAT

QTY

Part Number

GEW-252

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 2

UNIT PRICE (1-50)

£105.00 Inc. VAT

QTY

Part Number

GEW-235

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 3

UNIT PRICE (1-50)

£110.00 Inc. VAT

QTY

Part Number

GEW-404

Ge Window AR+ AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 40

Thickness (mm) 4

UNIT PRICE (1-50)

£225.00 Inc. VAT

QTY

Part Number

GEW-502

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 2

UNIT PRICE (1-50)

£250.00 Inc. VAT

QTY

Part Number

GEW-503

Ge Window AR + AR 7-14 microns

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 3

UNIT PRICE (1-50)

£255.00 Inc. VAT

QTY

Part Number

GCW-102

Ge Window AR/DLC 7-14 microns

PDF Data sheet

Diameter (mm) Ø 10

Thickness (mm) 2

UNIT PRICE (1-50)

£55.00 Inc. VAT

QTY

Part Number

GCW-253

Ge Windows AR/DLC 7-14 microns

PDF Data sheet

Diameter (mm) Ø 25

Thickness (mm) 3

UNIT PRICE (1-50)

£110.00 Inc. VAT

QTY

Part Number

GCW-503

Ge Windows AR/DLC 7-14 microns

PDF Data sheet

Diameter (mm) Ø 50

Thickness (mm) 3

UNIT PRICE (1-50)

£230.00 Inc. VAT

QTY

Part Number

GCW-753

Ge Windows AR/DLC 7-14 microns

PDF Data sheet

Diameter (mm) Ø 75

Thickness (mm) 3

UNIT PRICE (1-50)

£440.00 Inc. VAT

QTY