Longwave-pass Filters
Standard Longwave-pass Filters in stock, subject to prior sales (Wavelength range UV, VIS, NIR & IR).
General Specifications:
Diameter: 25.4 mm +0/-0.2 mm. Custom sizing
Thickness: Specified in the filter list below (mm), tol ±0.1 mm
Blocking: Average < 0,1 % below passband through UV
Slope: < 5 % defined as:
%Slope = | λ(80% of Tpeak) - λc λc | x 100 |
Spectral measurements:
Spectral curve at room temperature and normal incidence angle is supplied with each filter type.
Description: LP-Cuton in nanometers (Cuton at 5 % Transmission)
Click on the Description, to see spectral characteristics for the filters in stock.
Description | Substrate | Thk | Cuton 5 % | Transm | T Range |
LP-0325 nm | Glass | .50 | 10,00 | 70,00 | 2500,00 |
LP-0350 nm | Glass | .50 | 10,00 | 70,00 | 2500,00 |
LP-0410 nm | Glass | 1.50 | 10,00 | 70,00 | 2500,00 |
LP-0490 nm | Glass | .50 | 20,00 | 70,00 | 2500,00 |
LP-0745 nm | Glass | 2.50 | 50,00 | 70,00 | 2500,00 |
LP-0795 nm | Color glass | 2.00 | 20,00 | 70,00 | 1200,00 |
LP-0830 nm | Glass | .50 | 20,00 | 70,00 | 2500,00 |
LP-0940 nm | B270 | 1.00 | 30,00 | 70,00 | 2500,00 |
LP-1000 nm | B270 | 1.00 | 30,00 | 70,00 | 2000,00 |
LP-1100 nm | Glass | 1.00 | 30,00 | 70,00 | 2500,00 |
LP-1200 nm | B270 | 1.00 | 50,00 | 70,00 | 2500,00 |
LP-1350 nm | Silicon | 1.00 | 30,00 | 70,00 | 3000,00 |
LP-1400 nm | Silicon | 1.00 | 50,00 | 70,00 | 2500,00 |
LP-1500 nm | Silicon | 1.00 | 50,00 | 70,00 | 3500,00 |
LP-1850 nm | Ge | 1.00 | 50,00 | 70,00 | 3500,00 |
LP-1900 nm | Ge | 1.00 | 50,00 | 70,00 | 4000,00 |
LP-2000 nm | Ge | 1.00 | 50,00 | 70,00 | 4000,00 |
LP-2070 nm | Glass | .80 | 50,00 | 60,00 | 2900,00 |
LP-2440 nm | Ge | 1.00 | 30,00 | 60,00 | 3200,00 |
LP-2500 nm | Ge | 1.00 | 100,00 | 70,00 | 12000,00 |
LP-2505 nm | Ge | 1.00 | 100,00 | 70,00 | 5000,00 |
LP-2850 nm | Silicon | .50 | 70,00 | 70,00 | 5000,00 |
LP-3000 nm | Ge | 1.00 | 50,00 | 70,00 | 6000,00 |
LP-3300 nm | Ge | .50 | 100,00 | 80,00 | 6200,00 |
LP-3500 nm | Silicon | .50 | 100,00 | 70,00 | 4500,00 |
LP-3750 nm | Ge | 1.00 | 100,00 | 70,00 | 5000,00 |
LP-4080 nm | Ge | 1.00 | 100,00 | 70,00 | 5000,00 |
LP-4500 nm | Ge | 1.00 | 100,00 | 70,00 | 6000,00 |
LP-4700 nm | Sapphire | .47 | 100,00 | 70,00 | 5000,00 |
LP-4860 nm | Ge | 1.00 | 100,00 | 70,00 | 10000,00 |
LP-5000 nm | Ge | 1.00 | 100,00 | 70,00 | 10000,00 |
LP-5100 nm | Ge | 1.00 | 50,00 | 70,00 | 7500,00 |
LP-6210 nm | Ge | 1.00 | 100,00 | 70,00 | 13000,00 |
LP-6300 nm | Ge | 1.00 | 200,00 | 70,00 | 8680,00 |
LP-6360 nm | Ge | 1.00 | 200,00 | 70,00 | 13000,00 |
LP-6575 nm | Ge | 1.00 | 140,00 | 70,00 | 13000,00 |
LP-6630 nm | Ge | 1.00 | 200,00 | 70,00 | 13000,00 |
LP-6700 nm | Ge | 1.00 | 200,00 | 70,00 | 13000,00 |
LP-6715 nm | Ge | 1.00 | 200,00 | 70,00 | 13000,00 |
LP-6950 nm | Ge | 1.00 | 100,00 | 70,00 | 13000,00 |
LP-7400 nm | Ge | 1.00 | 200,00 | 70,00 | 13000,00 |
LP-7450 nm | Ge | .50 | 150,00 | 75,00 | 12000,00 |
LP-7600 nm | Ge | .50 | 200,00 | 70,00 | 12500,00 |
LP-7650 nm | Silicon | 1.00 | 150,00 | 70,00 | 11000,00 |
LP-8335 nm | Ge | .50 | 200,00 | 75,00 | 12500,00 |
LP-8450 nm | Ge | .50 | 100,00 | 70,00 | 13000,00 |
LP-8550 nm | Ge | .50 | 200,00 | 70,00 | 16000,00 |
LP-8650 nm | Ge | .50 | 200,00 | 75,00 | 13000,00 |
LP-9000 nm | Ge | 1.00 | 250,00 | 70,00 | 13000,00 |
LP-9000 nm | Ge | .50 | 200,00 | 70,00 | 13000,00 |
LP-9650 nm | Ge | .50 | 200,00 | 70,00 | 13000,00 |
LP-9700 nm | Ge | .50 | 200,00 | 70,00 | 13000,00 |
LP-9800 nm | Ge | .50 | 200,00 | 70,00 | 13000,00 |
LP-10000 nm | Ge | .50 | 250,00 | 70,00 | 18000,00 |
LP-10150 nm | Ge | 1.00 | 250,00 | 70,00 | 17000,00 |
LP-6700c nm | Ge | 1.00 | 200,00 | 70,00 | 13000,00 |