Custom IR Long Pass Filters

Andover can design and fabricate long pass filters to suit your particular requirements. Every phase of the process is performed in-house, including thin-film coating design, mechanical design, substrate fabrication and coating, inspection, and environmental testing. 

We can coat a variety of substrate materials, including Germanium, Sapphire, Silicon, Zinc Sulfide, and Zinc Selenide. We can produce custom sizes and shapes as well.

Contact us for a quotation, whether it is for prototype quantities, or production quantities. 

Can't find what you're looking for? Check our surplus listings for more options.

DESCRIPTION PART NO. 1 pc. 2 pcs. QTY
+ 1050-1650 5% cut-on (user-specified), 25.0 mm dia. IRLWP08-25 $3172 $1745
User must select wavelength within the range: 1050-1650nm
Transmission: 80% min.
Transmission range: Transmission range is from cut-on to 2500nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3172
2+ $1745
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 1050-1650 5% cut-on (user-specified), 50.0 mm dia. IRLWP08-50 $3205 $1763
User must select wavelength within the range: 1050-1650nm
Transmission: 80% min.
Transmission range: Transmission range is from cut-on to 2500nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3205
2+ $1763
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 1650-2100 5% cut-on (user-specified), 25.0 mm dia. IRLWP10-25 $2952 $1624
User must select wavelength within the range: 1650-2100nm
Transmission: 80% min.
Transmission range: Transmission range is from cut-on to 2 x cut-on W/L
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $2952
2+ $1624
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 1650-2100 5% cut-on (user-specified), 50.0 mm dia. IRLWP10-50 $3100 $1705
User must select wavelength within the range: 1650-2100nm
Transmission: 80% min.
Transmission range: Transmission range is from cut-on to 2 x cut-on W/L
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3100
2+ $1705
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 2100-3000 5% cut-on (user-specified), 25.0 mm dia. IRLWP12-25 $3575 $1966
User must select wavelength within the range: 2100-3000nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to 2 x cut-on W/L
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3575
2+ $1966
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 2100-3000 5% cut-on (user-specified), 50.0 mm dia. IRLWP12-50 $3610 $1986
User must select wavelength within the range: 2100-3000nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to 2 x cut-on W/L
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3610
2+ $1986
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 3000-4500 5% cut-on (user-specified), 25.0 mm dia. IRLWP14-25 $3782 $2080
User must select wavelength within the range: 3000-4500nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to >2 x cut-on W/L
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3782
2+ $2080
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 3000-4500 5% cut-on (user-specified), 50.0 mm dia. IRLWP14-50 $3812 $2097
User must select wavelength within the range: 3000-4500nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to >2 x cut-on W/L
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $3812
2+ $2097
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 4500-6000 5% cut-on (user-specified), 25.0 mm dia. IRLWP16-25 $4640 $2552
User must select wavelength within the range: 4500-6000nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to 11000nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $4640
2+ $2552
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 4500-6000 5% cut-on (user-specified), 50.0 mm dia. IRLWP16-50 $4675 $2571
User must select wavelength within the range: 4500-6000nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to 11000nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $4675
2+ $2571
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 6000-8000 5% cut-on (user-specified), 25.0 mm dia. IRLWP18-25 $6466 $3556
User must select wavelength within the range: 6000-8000nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to 13000nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $6466
2+ $3556
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 6000-8000 5% cut-on (user-specified), 50.0 mm dia. IRLWP18-50 $6496 $3573
User must select wavelength within the range: 6000-8000nm
Transmission: 85% min.
Transmission range: Transmission range is from cut-on to 13000nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $6496
2+ $3573
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 8000-1100 5% cut-on (user-specified), 25.0 mm dia. IRLWP20-25 $8270 $4549
User must select wavelength within the range: 8000-1100nm
Transmission: 80% min.
Transmission range: Transmission range is from cut-on to 14000nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $8270
2+ $4549
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.
+ 8000-1100 5% cut-on (user-specified), 50.0 mm dia. IRLWP20-50 $8236 $4530
User must select wavelength within the range: 8000-1100nm
Transmission: 80% min.
Transmission range: Transmission range is from cut-on to 14000nm
Please note: Unit price will drop significantly with increasing quantity
QtyPrice
1 $8236
2+ $4530
Estimated delivery: 4-6 weeks.
Note: Always free ground shipping on all domestic orders.