IR Fused Quartz Windows & Plates
Infrared grade Quartz windows are made from high purity natural fused Quartz electrically fused. This results in a useful transmission in the infrared from 260nm to 3500nm. The (OH) water content is as low as 5ppm or less. It has a low bubble content with extremely low co-efficient of thermal expansion, outstanding chemical resistance and chemical purity. Widely used in laser applications, low cost infrared windows and useful as a base substrate for IR optical filter coatings.
UQG Optics stock a wide range of sizes and a many options to custom make including surface flatness, coatings, shapes, material and dimensions.
Please contact our sales team or view all our IR Windows.
Dimensions: | Diameters 5mm to 150mm |
Squares/Rectangles 1mm x 1mm to 100mm x 100mm | |
Thickness Range: | 0.1mm to 50mm (subject to dimension) |
Dimension/Thickness: | Tol to 0.02mm |
Edge Finish: | Ground or polished |
Surface Quality: | 80/50 Scratch/Dig |
Surface Flatness: | Up to lambda 10 (@633nm) |
Parallelism: | Up to 10 seconds |
Material Options: | HOQ310, Infrasil & Commercial Grade IR Quartz |
Coating Options: | AR Coatings from 400nm to 3 microns |
Options: | Wedges, shapes, drilled holes & bevelled angles |

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.
Part No | Data sheet |
Description | Thickness (mm) | Dimensions (mm) | Unit price (1-10) excl. VAT |
Qty |
Qty (10+)Volume pricing available for 10+, please add to quote. |
---|---|---|---|---|---|---|---|
IRQ-101 | IR Quartz Window | 1 | Ø 10 | €13.80 | |||
IRQ-102 | IR Quartz Window | 2 | Ø 10 | €16.80 | |||
IRQ-151 | IR Quartz Window | 1 | Ø 15 | €19.20 | |||
IRQ-152 | IR Quartz Window | 2 | Ø 15 | €25.20 | |||
IRQ-201 | IR Quartz Window | 1 | Ø 20 | €27.60 | |||
IRQ-202 | IR Quartz Window | 2 | Ø 20 | €30.00 | |||
IRQ-251 | IR Quartz Window | 1 | Ø 25 | €33.60 | |||
IRQ-252 | IR Quartz Window | 2 | Ø 25 | €38.40 | |||
IRQ-256 | IR Quartz Window | 6 | Ø 25 | €46.80 | |||
IRQ-2541 | IR Quartz Window | 1 | Ø 25.4 | €33.60 | |||
IRQ-302 | IR Quartz Window | 2 | Ø 30 | €55.20 | |||
IRQ-402 | IR Quartz Window | 2 | Ø 40 | €64.80 | |||
IRQ-501 | IR Quartz Window | 1 | Ø 50 | €80.40 | |||
IRQ-502 | IR Quartz Window | 2 | Ø 50 | €82.80 | |||
IRQ-602 | IR Quartz Window | 2 | Ø 60 | €103.20 | |||
IRQ-753 | IR Quartz Window | 3 | Ø 75 | €187.20 |
Part Number
IRQ-101
IR Quartz Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 10
Focal Length (mm) 0
UNIT PRICE (1-10)
€13.80 Inc. VAT
Part Number
IRQ-102
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 10
Focal Length (mm) 0
UNIT PRICE (1-10)
€16.80 Inc. VAT
Part Number
IRQ-151
IR Quartz Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 15
Focal Length (mm) 0
UNIT PRICE (1-10)
€19.20 Inc. VAT
Part Number
IRQ-152
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 15
Focal Length (mm) 0
UNIT PRICE (1-10)
€25.20 Inc. VAT
Part Number
IRQ-201
IR Quartz Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 20
Focal Length (mm) 0
UNIT PRICE (1-10)
€27.60 Inc. VAT
Part Number
IRQ-202
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 20
Focal Length (mm) 0
UNIT PRICE (1-10)
€30.00 Inc. VAT
Part Number
IRQ-251
IR Quartz Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 25
Focal Length (mm) 0
UNIT PRICE (1-10)
€33.60 Inc. VAT
Part Number
IRQ-252
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 25
Focal Length (mm) 0
UNIT PRICE (1-10)
€38.40 Inc. VAT
Part Number
IRQ-256
IR Quartz Window
PDF Data sheet
Thickness (mm) 6
Dimensions (mm) Ø 25
Focal Length (mm) 0
UNIT PRICE (1-10)
€46.80 Inc. VAT
Part Number
IRQ-2541
IR Quartz Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 25.4
Focal Length (mm) 0
UNIT PRICE (1-10)
€33.60 Inc. VAT
Part Number
IRQ-302
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 30
Focal Length (mm) 0
UNIT PRICE (1-10)
€55.20 Inc. VAT
Part Number
IRQ-402
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 40
Focal Length (mm) 0
UNIT PRICE (1-10)
€64.80 Inc. VAT
Part Number
IRQ-501
IR Quartz Window
PDF Data sheet
Thickness (mm) 1
Dimensions (mm) Ø 50
UNIT PRICE (1-10)
€80.40 Inc. VAT
Part Number
IRQ-502
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 50
Focal Length (mm) 0
UNIT PRICE (1-10)
€82.80 Inc. VAT
Part Number
IRQ-602
IR Quartz Window
PDF Data sheet
Thickness (mm) 2
Dimensions (mm) Ø 60
Focal Length (mm) 0
UNIT PRICE (1-10)
€103.20 Inc. VAT
Part Number
IRQ-753
IR Quartz Window
PDF Data sheet
Thickness (mm) 3
Dimensions (mm) Ø 75
Focal Length (mm) 0
UNIT PRICE (1-10)
€187.20 Inc. VAT