INFRARED (IR) TRANSMITTING COVERT FILTER GLASS



Filter

Nominal Thickness
(mm)

Thickness
Variation
(mm)

Thermal Expansion
( * E-7 °C-1)

Internal Transmittance (nm)

1283

3

 

94

< 0.0125 (770)

> 0.50 (830 ± 9)

> 0.88 (900)

1290

5

+/- 0.50

110

< 0.0125 (740)

> 0.50 (830 ± 9)

> 0.88 (900)

2540

2.5

+/- 0.50

92

< 0.0005 (750)

0.22 ± 0.015 (900)

2550

2

+/- 0.50

92

0.075 ± 0.015 (750)

> 0.795 (1000)

2563

2

+/- 0.50

61

> 0.435 (900)

C260

3

+/- 0.10

106

> 0.785 (800)

0.36 ± 0.065 (1000)

K780

3   94 0.50 (780 ± 9) < 1x10-5 (610) 0.97 (900)

K830

3   94 0.50 (830 ± 9) < 1x10-5 (670) 0.97 (950)

K850

3   94 0.50 (850 ± 9) < 1x10-5 (700) 0.90 (950)

UV LED OPTIC DESIGN LAB

Learn how to design UV LED devices that maximize performance output, while reducing energy consumption.

New Call-to-action