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Optoelectronics/Displays??

30?m IR detector handles low input signals

Posted: 21 Apr 2009 ?? ?Print Version ?Bookmark and Share

Keywords:IR detector? infrared light? input signal low?

Sofradir has demonstrated the new Avalanche Photodiode (APD) mid-TV format IR detector for amplifying low input signal.

"We see our MCT Avalanche Photodiode 30?m pitch IR detector offering customers a flexible solution to address emerging opportunities in IR applications where input light signals are very low," says Philippe Tribolet, VP R&D, technology and products at Sofradir. "The low-noise APD IR detector offers system integrators a choice of wavebands, more compact optics and an ability to overcome any low input signal Read-Out Integrated Circuit performance degradation."

Designed for military applications, active imagery (laser gated imaging), spectrometry, gas detection and a range of scientific applications, Sofradir's APD 30?m pitch IR detector made with mercury cadmium telluride technology (MTC) enables users to operate cameras with small apertures or with narrow wavebands in extreme low light detection.

Sofradir's APD IR detector can amplify low input signals by a factor of 5,300 keeping the photodiode signal to noise level constant, a result unmatched by competing technologies the company says.

The announcement further expands Sofradir's large portfolio of high-performance, high-volume MCT IR detectors in the short-waveband (1- to 2.5?m), and mid-waveband (3- to 5?m). It can be used for active imagery (2D or 3D). It can also be used for passive imagery, where low input signals are amplified.

- Henri Arnold
EE Times Europe





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