5 papers
Performance Testing of a Trillium-based 21-Positioner Module for Stage-5 Telescopes
Oliver Pineda Suárez, Jonathan Wei, Malak Galal +4
Evaluating the performance metrics of theta-phi robotic positioners is crucial to gather insights into the system's behavior and ensure their reliability during operation in Stage-…
Comparative Study of Hollow-Core and Standard Optical Fibers for Astronomy
Malak Galal, Oliver Pineda Suárez, Frédéric Gérôme +3
Efficient light transmission in the blue-visible regime remains a major limitation for fiber-fed astronomical spectrographs, where low photon flux and the intrinsic attenuation of…
WST Multi-Object Spectrograph Fiber Positioners:Development of a 32,000-Unit Precision Robotic System
Sébastien Pernecker, Maxime Rombach, Malak Galal +13
The Wide-field Spectroscopic Telescope Multi-Object Spectrograph requires an unprecedented fiber positioning system comprising 30'000 low-resolution and 2'000 high-resolution posit…
Advancing Control Electronics for Next-Generation Astronomical Fiber Robotic Positioners
Sebastien Pernecker, Jonathan Wei, Maxime Rombach +3
Next-generation spectroscopic surveys require compact, high-density fiber robotic positioner systems achieving 5um precision, placing strict constraints on the size and the power b…
Testing of a 15-Positioner Module Based on the MPS Design for Stage-5 Telescopes
Jonathan Wei, Oliver Pineda Suárez, Malak Galal +6
Assessing the performance metrics of theta-phi micro-robotic positioners is a key step toward understanding their operational behavior and ensuring that they meet the specification…