Infrared sensor systems and devices

Details Infrared sensor systems and devices Infrared sensor systems and devices

2006-07-07

2009-06-16

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

07547886

ABSTRACT:
An organic material can be used in a modified strain gauge for IR transduction, resulting in an organic IR sensor. Infrared radiation incident on the organic material modulates a displacement of the material in order to detect the presence and intensity of IR radiation. This innovative design doesn't require cooling, and is sensitive to 9 and 3 μm—wavelengths that are emitted by mammals and forest fires, respectively. In addition, a photomechanical polymer can be used in a transistor based on a thin-film transistor (TFT), also resulting in an IR sensor. Through careful synthesis of the polymers, the photomechanical response of the transistor can be tailored to certain IR bands for detection purposes.

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