Speaker
Description
The emergence of fully electric vehicles and autonomous systems (e.g., cars,
drones), combined with advancements in long-distance power transmission (e.g.,
satellites), has accelerated the development of wireless power transmission tech-
nologies. These technologies aim to address critical challenges such as reducing
the reliance on extensive cabling and minimizing noise interference, especially
in high-energy physics experiments. In such environments, the large quantity
of copper wires not only contributes to increased material costs and complexity
but also serves as a potential source of noise and signal degradation. A promis-
ing solution lies in the use of laser-based wireless power transmission systems,
where optical power converters are positioned close to or directly on front-end
boards.
As part of the Wireless Allowing Data and Power Transfer (WADAPT) consor-
tium, we have undertaken a pioneering study to explore the feasibility of using
laser-based wireless power systems in experimental setups. The study centers
around a 10W laser coupled with a dedicated photovoltaic cell (PVC), designed
to convert laser energy into electrical power efficiently. The system was rig-
orously tested at varying distances between the laser source and the PVC to
understand the influence of distance on power transmission efficiency and over-
all performance.
To ensure practical application, the system was successfully integrated with
a voltage and power regulator, enabling it to power a silicon photomultiplier
(SiPM). The SiPM, known for its sensitivity and precision in detecting low lev-
els of light, is a critical component in many high-energy physics experiments.
Using a precise light source, we conducted a comprehensive series of tests to
evaluate how this novel power source affects the sensor’s performance. Key pa-
rameters such as power conversion efficiency, noise levels, signal stability, and
overall sensor functionality were carefully analyzed to ensure that the wireless
power system meets the rigorous demands of experimental physics.
In addition to its immediate application in powering sensors, this technology has
the potential to revolutionize experimental setups by enabling more compact
and flexible designs. By eliminating or significantly reducing the dependence
on traditional cabling, wireless power systems can improve system reliability,
reduce electromagnetic interference, and simplify maintenance. Furthermore, the modular nature of laser-based power transmission allows for scalability and
adaptability to various experimental requirements.
Looking ahead, this study represents a significant step toward integrating wire-
less power systems into high-energy physics experiments. The insights gained
from this work could pave the way for broader adoption of such technologies
in other domains, such as space exploration, remote sensing, and industrial ap-
plications. The results of this groundbreaking demonstration of wireless power
transmission for a silicon sensor will be presented, highlighting its potential to
transform the way power is delivered in complex experimental environments.
| Workshop topics | Applications |
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