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Dr. Markus Knapek ViaLight Proprietary Information
Laser Communication Solutions
Feb. 2017
Dr. Markus Knapek
Dr. Markus Knapek ViaLight Proprietary Information 2
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
Dr. Markus Knapek ViaLight Proprietary Information 3
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
Dr. Markus Knapek ViaLight Proprietary Information 4
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
Dr. Markus Knapek ViaLight Proprietary Information 5
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
Dr. Markus Knapek ViaLight Proprietary Information 6
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
Dr. Markus Knapek ViaLight Proprietary Information 7
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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