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Near-infrared to visible upconversion detection for active imaging using a broadband pump laser

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Abstract

We present an upconversion experiment designed for long range active imaging. Upconversion is a promising detection technique that allows us to benefit from all the performances of silicon based sensors to detect light above their maximum operating wavelength in an active imaging system. The detection sensitivity of such a system can be higher than direct detection using an infrared sensor camera. Using a pump laser with a wide spectrum, we increase the field of view of our imaging system and we obtain image characteristics compatible with practical applications.

© 2018 The Author(s)

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