Project Idea
Satellite mega-constellations (e.g., Starlink) emit UnintendedElectromagnetic Radiation (UEMR) that increasingly threatens radio tected Hydrogen Line band (1400–1427 MHz). Current regulations provide noastronomy observations, particularly within the internationally pr o protection against these unintended emissions, and software-based mitigation results in up to 45% data loss. This research aims to design and geting the protected hydrogen line band. The proposed structure wassimulate a hardware-based electromagnetic shielding solution using a Laser-Induced Graphene (LIG) Frequency Selective Surface (FSS) absorber ta rdesigned and optimized using CST Studio Suite simulations. Results demonstrate a reflection coefficient (S11) below −10 dB across the entire 1.400–1.427 GHz protected band, with a resonant absorption peak of −15.5 dB within the target band, confirming absorption efficiency exceeding 90% within the target frequency range.
01
The Beginning
The idea started from the increasing UEMR from Satellite Mega-Constellations and its impact on Radio Astronomy, especially within the Hydrogen Line band. Due to data loss from software-based mitigation, a hardware-based shielding solution was proposed.
02
The Idea
The project provides a LIG-based FSS absorber designed to absorb unwanted radiation within the 1400–1427 MHz band, helping protect Radio Astronomy observations from UEMR.
03
The Experience
The project progressed from defining the target frequency band to designing and simulating a LIG FSS absorber using CST Studio Suite. The structure was then optimized for improved absorption performance, achieving over 90% absorption efficiency within the target band.
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