Mr. Maor Leibovich Profile

Maor Leibovich

Director System Engineering at Elbit Systems Electro-Optics El-Op Ltd

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Proceedings Article | 6 October 2017 Paper

Common aperture multispectral spotter camera: Spectro XR

Vladimir Petrushevsky, Dov Freiman, Idan Diamant, Shira Giladi, Maor Leibovich

Proceedings Volume 10433, 1043315 (2017) https://doi.org/10.1117/12.2275356

KEYWORDS: Cameras, Telescopes, Short wave infrared radiation, Surveillance, Mid-IR, Optical filters, Infrared technology, Imaging systems

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The Spectro XR^TM is an advanced color/NIR/SWIR/MWIR 16’’ payload recently developed by Elbit Systems / ELOP. The payload’s primary sensor is a spotter camera with common 7’’ aperture. The sensor suite includes also MWIR zoom, EO zoom, laser designator or rangefinder, laser pointer / illuminator and laser spot tracker. Rigid structure, vibration damping and 4-axes gimbals enable high level of line-of-sight stabilization. The payload’s list of features include multi-target video tracker, precise boresight, strap-on IMU, embedded moving map, geodetic calculations suite, and image fusion.

The paper describes main technical characteristics of the spotter camera. Visible-quality, all-metal front catadioptric telescope maintains optical performance in wide range of environmental conditions. High-efficiency coatings separate the incoming light into EO, SWIR and MWIR band channels. Both EO and SWIR bands have dual FOV and 3 spectral filters each. Several variants of focal plane array formats are supported.

The common aperture design facilitates superior DRI performance in EO and SWIR, in comparison to the conventionally configured payloads. Special spectral calibration and color correction extend the effective range of color imaging. An advanced CMOS FPA and low F-number of the optics facilitate low light performance. SWIR band provides further atmospheric penetration, as well as see-spot capability at especially long ranges, due to asynchronous pulse detection. MWIR band has good sharpness in the entire field-of-view and (with full HD FPA) delivers amount of detail far exceeding one of VGA-equipped FLIRs.

The Spectro XR offers level of performance typically associated with larger and heavier payloads.

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