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IR (infrared) Detection Card 850nm

Credit card size indicator for viewing IR light.

An IR detection card is a great addition to the tool box of any technician who works with fiber optic systems using infrared (IR) light. The card will quickly visually indicate if an IR LED is producing light (radiation), without having to use bulkier tools. Each card has a 1.5 X 1.5 cm active area that is sensitive to IR light. The illuminated area produces a blue-green light when illuminated with IR light which dislodges charged molecular electrons in the phosphor material on the card. This in turn produces photons with a blue-green color.

Charging the card. Phosphor stores energy when exposed to the UV wavelengths found in sunlight or light from fluorescent lamps - IR releases it as a phosphorescent glow. Sensitivity peaks at 800 nm and at 1300 nm (sensitivity at 1300 nm approx. 55 % of sensitivity at 800 nm). The card is suitable for low-intensity LED light sources as used in fiber optics. High powered light sources may quickly deplete stored energy in the phosphor material, requiring recharging with UV.

Limited Supply

* Spectral bandwidth (S = 10 % of Smax) 600 - 1500 nm

  IR (infrared) Detection Card 850nm
Part Number: IF 850052
Price (each)
 1 to 4 $20.00 
 5 to 24 $18.00 
 25 to 99 $16.00 
 100+ $15.00 

Sensitivity curve