Three-Direction Detector Array for Wave Direction and Polarization
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Solution Overview
Problem
Existing electromagnetic wave detection systems struggle to simultaneously measure the direction and polarization of incoming waves efficiently, often requiring multiple measurements and detectors, which can lead to interference and reduced accuracy.
Innovation Solution
A detector system comprising multiple sensors, each with a distinct normal vector orientation, allows simultaneous measurement of direction and polarization by using Lambert's cosine law and pseudoinverse matrix calculations to determine the wave vector components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple detectors are used to measure direction and polarization simultaneously, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The detector system is segmented into three separate detectors, each with a distinct normal vector orientation. Each detector measures irradiance from the incoming electromagnetic wave from a different directional perspective. This segmentation allows the system to extract both direction and polarization information by comparing measurements across the segmented detectors, resolving the contradiction by achieving high measurement precision through structured segmentation rather than through complex individual detector design.
Solution Approach 2:
The patent introduces a dimensional approach by orienting detectors along different normal vectors in three-dimensional space. Instead of using a single complex detector, the system uses multiple detectors positioned in different spatial dimensions (directions). The direction of propagation and polarization state are determined by analyzing the irradiance measurements across these different dimensional perspectives, effectively using spatial dimensionality to solve the measurement problem.
2Measurement precision
If multiple measurements are taken to determine wave properties, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The system performs preliminary action by pre-configuring three detectors with specific normal vector orientations before the electromagnetic wave arrives. This pre-arranged spatial configuration allows the system to capture all necessary directional and polarization information simultaneously in a single measurement event, rather than requiring sequential measurements. The preliminary setup of the detector array eliminates the need for time-consuming sequential measurements while maintaining high precision.
Solution Approach 2:
The detector system enables continuous useful action by simultaneously capturing direction and polarization information in real-time. All three detectors operate concurrently to measure irradiance from different orientations, allowing the system to continuously determine wave properties without interruption or sequential delays. This continuous simultaneous measurement approach eliminates time loss while maintaining measurement precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances the accuracy and signal-to-noise ratio of electromagnetic wave detection, enabling precise tracking of objects and reducing interference from spurious signals.
Implementation Method 1
detectors that are sensitive to the incoming radiation to produce output voltages or currents in response to the detected electromagnetic wave
Implementation Method 2
at least one of the first, the second or the third detectors is further configured to obtain polarization information associated with the incoming electromagnetic radiation
Data Source
AI summary
Methods, systems and devices are described that enable simultaneous measurement of the direction and polarization of electromagnetic waves. One example device includes a first, a second and a third detector, each configured to receive and measure an irradiance of an incoming electromagnetic radiation, and each are positioned such that their normal vectors point in a first, a second and a third direction that are different from one another. At least one of the detectors is further configured to obtain polarization information associated with the incoming electromagnetic radiation. The measured irradiances from the first, the second and the third detectors and the obtained polarization information enable identification of the direction of propagation and polarization state of the incoming electromagnetic radiation.