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PosterIn-Orbit / Operational

Experimental Validation of a Pyramid Piston Sensor for Segment Co-Phasing in a Laser Guide Star Adaptive Optics System

Dr. Petr Janout

European Southern Observatory

Day

Tuesday · 2026-10-13

Time

3:20 PM - 4:20 PM

Session

Exhibition and Poster Session-2

Venue

ICSO 2026 Conference Venue

Session Exhibition and Poster Session-2

Track indicates the session hall. Refer to the on-site programme board for the exact room number and any last-minute room changes.

In 30 seconds

The Pyramid Piston Sensor (PPS) provides accurate, real-time detection of differential piston and phase discontinuities in segmented primary mirrors. By integrating the sensor into a laser guide star adaptive optics system, the work demonstrates precise co-phasing maintenance under realistic atmospheric conditions. This technology is vital for preserving diffraction-limited performance in next-generation large-aperture telescopes.

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Topics & Subtopics

Optical CommunicationsTelescopes & Space ScienceOptical Hardware & ManufacturingOptical Ground StationsAdaptive OpticsLarge MirrorsAtmospheric TurbulenceCalibrationInstrument PerformanceSpace TelescopesWavefront ControlUV / VIS / IR AstronomyMirrorsAssembly & Alignment

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ID: icso26_137

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