Pulsed upconversion imaging of mid-infrared supercontinuum light using an electronically synchronized pump laser

Laurent Huot; Peter Morten Moselund; Peter Tidemand-Lichtenberg; Christian Pedersen

doi:10.1364/AO.58.000244

Pulsed upconversion imaging of mid-infrared supercontinuum light using an electronically synchronized pump laser

Laurent Huot^*, Peter Morten Moselund, Peter Tidemand-Lichtenberg, Christian Pedersen

^*Corresponding author for this work

NKT Photonics A/S

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Abstract

In this paper, a versatile method for synchronized imaging upconversion in the mid-IR wavelength range is presented. A 1064 nm master oscillator power amplifier source pump laser is electronically adjusted in pulse duration and repetition rate to match the output from a 40 kHz, 1.6 ns pulse mid-IR supercontinuum light source followed by upconversion to the near-infrared captured by a sensitive CCD camera. The systems noise is characterized, and we present a simple algorithm for correcting for the image distortion caused by the use of off-axis parabolic mirrors.

Original language	English
Journal	Applied Optics
Volume	58
Issue number	2
Pages (from-to)	244-249
ISSN	1559-128X
DOIs	https://doi.org/10.1364/AO.58.000244
Publication status	Published - 2019

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AB - In this paper, a versatile method for synchronized imaging upconversion in the mid-IR wavelength range is presented. A 1064 nm master oscillator power amplifier source pump laser is electronically adjusted in pulse duration and repetition rate to match the output from a 40 kHz, 1.6 ns pulse mid-IR supercontinuum light source followed by upconversion to the near-infrared captured by a sensitive CCD camera. The systems noise is characterized, and we present a simple algorithm for correcting for the image distortion caused by the use of off-axis parabolic mirrors.

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Pulsed upconversion imaging of mid-infrared supercontinuum light using an electronically synchronized pump laser

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