
AZ800 for QDK
Telescope System for Quantum Communication Research
at Technology Innovation Institute
ASA Astrosysteme delivered a high-precision telescope system to the Technology Innovation Institute (TII) to support their advanced research activities in quantum communications.
With the rapid progress of quantum computing, conventional cryptographic methods are facing increasing security challenges. TII is addressing this emerging threat through dedicated research in Quantum Key Distribution (QKD) — a cutting-edge technology that enables ultra-secure communication by transmitting encryption keys via quantum signals. This approach ensures security that is fundamentally independent of an eavesdropper’s computational power.
Our telescope system plays a key role in enabling the precise optical links required for free-space quantum communication experiments. By supporting the development and field testing of QKD technologies in the United Arab Emirates, ASA Astrosysteme contributes to strengthening secure communication infrastructures tailored to the region’s specific requirements.

ASA Impressions
Products in use
ASA AZ800 f6.85
A high-end complete telescope system with 0.8m aperture
- Optical design: Ritchey-Chrétien RC
- Linear central obstruction: 41%
- Focus position: Nasmyth 2 as standard, 4 as option
- Focal length: 5480mm
- Focal ratio system: f6.85
- Clear Aperture / Focal Ratio Primary Mirror: 800mm (31,5 inch) / f2.5
- Image field: 120mm (1.25 degrees)
- Mirror material: Fused silica
- Surface quality: >94 strehl
- Microroughness: 1nm RMS / <0.7nm Ra
- Coating: Al+SiO2 >96 %
- Back Focus from flange: 252.7mm
- Total weight: 650kg (1433lbs)
- Azimuth / altitude range of motion: 680 degree / 5-90 degree
- Software: ASA Software package with a platform-independent Ascom Alpaca API (via TCP/IP), compatibility with numerous programs, and many additional API features for:
• Creating and optimizing pointing files
• MLPT (e.g., usable with a N.I.N.A plugin)
• Uploading and tracking TLE and CPF satellite orbits
• Orbit corrections when satellite tracking (autoguiding with external CCD cameras)
• Focus control also via Ascom Alpaca API
• Covers (if installed) via Ascom Alpaca API
• Full API control over rotator, Nasmyth port - Max. slew speeds: Up to 50 degrees per second
- Pointing Accuracy (20° to 85°): <8” RMS with pointing model
- Tracking Accuracy (20° to 85° – unguided, with current pointingfile): <0,25” RMS within 5 minutes
- System Natural Frequency: 10 Hz or greater
- Satellite tracking: All sky pointing error (20°-85°) 8” RMS more info

































