Dr. Markus Knapek ViaLight Proprietary Information

Laser Communication Solutions

Feb. 2017

Dr. Markus Knapek

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Laser Communication at ViaLight

Optical Network above the Clouds

• Data rates up to 10Gbps

• Low SWaP, <10kg Stratosphere

• Competitive price per terminal in LEO

Inter-HAP

Inter-Sat

LEO-Ground

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Proof of Concept under Extreme Test Conditions ViaLight MLT-20 on a Jet-Fighter Platform

Secure link despite: • Poor weather conditions • 750km/h, 7km altitude, 60km range • Extreme shocks with afterburner

Foto: J. Gietl 2013 @ Cassidian ViaLight MLT-20

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Product Portfolio Air Laser Terminals for Aircraft/Stratospheric Applications

MLT-70 IPL Inter-Platform

MLT-70 ATG Air-to-Ground

MLT-20 Air-to-Ground

GS-200 Ground Station

Link Type Bidirectional Bidirectional Unidirectional/asymmetric Bidirectional

Link Distance >200km >50km >50km >50km

Aperture Size 70mm 70mm 20mm 200mm

Data Rate 10Gbps – 40Gbps* 10Gbps 1Gbps - 10Gbps 10Gbps

* Available 2018

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Product Portfolio Space Laser Terminals for Space Applications

MLT-100-ISL Inter-Satellite

MLT-30-SGL Satellite-to-Ground

GS-400 Ground Station

Link Type Bidirectional Unidirectional/asymmetric Unidirectional/asymmetric

Link Distance >5300km >1200km >1200km

Aperture Size 100mm 30mm 400mm

Mass <15kg <8kg

Data Rate 10Gbps* NG: up to 200Gbps**

10-40Gbps* 10Gbps NG: >40Gbps*

* Available 2019 ** Future Plan

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Design and Quality Process

Thermal Management Structural Design Quality & Testing

Heat-flow simulation

Implementation of thermal management

Structural FEA simulations with Eigen-frequencies

Investigation of design alternatives for low weight

Manufacturing documentation

Life-time testing

Thermo-vacuum and vibration tests

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MLT-LS Inter-Satellite Link Terminal

Tx Power 1W Link Distance 5300 km Data Rage 10 Gbps Lifetime 5 Years FoR Elevation +5/-25 FoR Azimuth ±175 Weight 15 kg

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