PLDRO2 in Event Horizon Imaging Research
Before an electronic device becomes a part of a satellite, it must undergo a thorough design, development, and testing process. SpaceForest contributes to this process by creating Engineering Qualified Models (EQM) that allow engineers to present and validate solutions in controlled environments. However, the EQMs themselves rarely leave cleanrooms.
From EQMs to Research Tools
Interestingly, engineering models at lower technological maturity levels are fully operational and can be used for scientific research. Specifically, the two ultra-low phase noise frequency generators (PLDRO2) developed by SpaceForest as part of the ESA project “Development and Qualification of Frequency Generators” (completed in 2018) have been utilized in the breadboard of an interferometer. This interferometer is designed for high-resolution shadow imaging of supermassive black holes, contributing to the advancement of astrophysical research.
Research Outcomes
The results of this research, incorporating SpaceForest’s PLDRO2 generators, have been documented in two key publications:
- “Laboratory Demonstration of the Local Oscillator Concept for the Event Horizon Imager” – Journal of Astronomical Instrumentation, Vol. 10, No. 03
- “On Lab Test of Coherence in Event Horizon Imager” – 2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS)
Moreover, these studies highlight the performance of the PLDRO2 in maintaining ultra-low phase noise, which is critical for high-precision interferometric imaging. Consequently, the generators play a significant role in enabling accurate astronomical measurements and the development of the Event Horizon Imager.
Significance of PLDRO2 in Space Research
The PLDRO2 frequency generators demonstrate how SpaceForest technology extends beyond satellite applications. In addition, their integration into high-precision scientific instruments showcases their versatility and reliability. Furthermore, using these generators in the Event Horizon Imager project illustrates SpaceForest’s contribution to cutting-edge astrophysical research.
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For more information about the PLDRO2 generators or potential research collaborations,