call
ISO 9001 - AS 9100 - ITAR Standard & Custom Optical Filters and Coatings
Toll Free (US): +1 (888) 893-9992 International: +01 (603) 893-6888
Andover IR filters

INFRARED WINDOWS AND SUBSTRATES

Andover stocks a variety of optical-quality infrared-transmitting substrates. All substrates are optically polished. A/R coatings are also available.

For your convenience and economy, we offer the windows in two standard sizes: 25 mm and 50 mm dia. However, we can produce custom sizes and shapes. Contact our technical sales department for a quotation.

Thickness: 1.0 ±.2mm 
Diameter tolerance: +0/-.1mm
Surface Quality: 60/40 per MIL-C-48497A

Click 'Show More Information' for spectral transmission data
BENEFITS 
  • High optical quality
  • Available from stock
  • Custom sizes available
COMMON APPLICATIONS
  • Thermal imaging
  • Weapon systems
  • Detector windows
  • IR Photography

Graph of transmission of optical-grade Silicon substrateGraph of transmission of optical-grade Germanium substrateGraph of transmission of optical-grade Sapphire substrateGraph of transmission of optical-grade water-free Fused Silica IR substrateGraph of transmission of optical-grade Calcium Fluoride IR substrateGraph of transmission of optical-grade Zinc Selenide IR substrate

PART NO.
DESCRIPTION
1 - 5 pcs.
6 - 10 pcs.
> 10 pcs.
Stock Status
Buy
Available Items
IRWS100-25
Silicon Substrate 25mm dia.
$57.00
$49.00
$47.00
In Stock
Qty To Buy:
Size25.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$57.00
6 - 10 pcs.$49.00
> 10 pcs.$47.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS100-50
Silicon Substrate 50mm dia.
$183.00
$157.00
$150.00
In Stock
Qty To Buy:
Size50.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$183.00
6 - 10 pcs.$157.00
> 10 pcs.$150.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS200-12.7
Germanium Substrate 12.7mm dia.
$59.00
$59.00
$59.00
In Stock
Qty To Buy:
Size12.7 ¯mm diameter
Thickness1.0 +0.1/-0.1 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness< 10 @ 633nm
Parallelism< 3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$59.00
6 - 10 pcs.$59.00
> 10 pcs.$59.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS200-25
Germanium Substrate 25mm dia.
$75.00
$65.00
$62.00
In Stock
Qty To Buy:
Size25.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness<10 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$75.00
6 - 10 pcs.$65.00
> 10 pcs.$62.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS200-50
Germanium Substrate 50mm dia.
$361.00
$310.00
$296.00
In Stock
Qty To Buy:
Size50.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness<10 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$361.00
6 - 10 pcs.$310.00
> 10 pcs.$296.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS300-25
Sapphire Substrate 25mm dia.
$57.00
$49.00
$47.00
In Stock
Qty To Buy:
Size25.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$57.00
6 - 10 pcs.$49.00
> 10 pcs.$47.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS300-50
Sapphire Substrate 50mm dia.
$183.00
$157.00
$150.00
In Stock
Qty To Buy:
Size50.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$183.00
6 - 10 pcs.$157.00
> 10 pcs.$150.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS400-25
IR (Water Free) Fused Silica Substrate 25mm dia.
$34.00
$29.00
$28.00
In Stock
Qty To Buy:
Size25.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$34.00
6 - 10 pcs.$29.00
> 10 pcs.$28.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS400-50
IR (Water Free) Fused Silica Substrate 50mm dia.
$141.00
$121.00
$116.00
In Stock
Qty To Buy:
Size50.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<3 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$141.00
6 - 10 pcs.$121.00
> 10 pcs.$116.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS600-25
Zinc Selenide Substrate 25mm dia.
$298.00
$256.00
$244.00
In Stock
Qty To Buy:
Size25.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<6 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$298.00
6 - 10 pcs.$256.00
> 10 pcs.$244.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
IRWS500-25
Calcuim Fluoride Substrate 25mm dia.
$248.00
$213.00
$203.00
In Stock
Qty To Buy:
Size25.0 ¯mm diameter
Thickness1.0 +0.2/-0.2 mm
Scratch-Dig60/40
Clear Aperture90% of OD
Flatness2 per inch @633nm
Parallelism<10 arc minutes
Quantity DiscountsPrice
1 - 5 pcs.$248.00
6 - 10 pcs.$213.00
> 10 pcs.$203.00
Note: Contact us at sales@andovercorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days