Waveguide Aperture Layout for Accurate Electromagnetic Wave Detection
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Solution Overview
Problem
Electromagnetic wave detection devices face challenges in accurately detecting primary waves while preventing indirect, secondary waves with altered characteristics from entering the detection element, leading to inaccurate readings.
Innovation Solution
The device incorporates two waveguide structures with apertures that sandwich the detection element, where the distance between the apertures is less than half the wavelength of the primary electromagnetic wave, effectively blocking secondary waves by confining them within the waveguide and attenuating them through repeated reflections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the detection element is exposed to electromagnetic waves without waveguide structures, then the detection element can receive electromagnetic waves, but secondary electromagnetic waves that are reflected in the housing can enter the detection element and cause inaccurate detection
Solution Approach 1:
The waveguide structure acts as an intermediary component between the detection element and the electromagnetic wave environment. It selectively transmits primary electromagnetic waves to the detection element while blocking secondary reflected waves, thus mediating the interaction between the detection element and electromagnetic waves of different types.
Solution Approach 2:
The waveguide structure is positioned locally adjacent to the detection element, creating a localized electromagnetic field control zone. This local structure modifies the electromagnetic wave distribution specifically in the region near the detection element, allowing primary waves to reach while preventing secondary waves from entering.
2Measurement precision
If waveguide structures are added to block secondary electromagnetic waves, then detection accuracy is improved, but the device complexity increases
Solution Approach 1:
The waveguide structure is divided into multiple segments including a first waveguide structure and a second waveguide structure positioned at different locations relative to the detection element. This segmentation allows each waveguide segment to independently manage electromagnetic wave paths, achieving comprehensive blocking of secondary waves while maintaining structural organization.
Solution Approach 2:
The waveguide structures serve as intermediary components that simplify the overall system design by providing a standardized method for electromagnetic wave management. Rather than designing complex shielding arrangements, the waveguide structures provide a straightforward geometric solution that naturally guides primary waves while blocking secondary waves.
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 configuration ensures that only the primary electromagnetic wave is detected accurately, suppressing secondary waves and enhancing the precision of the detection operation by preventing unwanted electromagnetic waves from reaching the detection element.
Implementation Method 1
attenuating them through repeated reflections
Implementation Method 2
at least one electromagnetic wave detection element provided on the support body and configured to detect the electromagnetic wave of wavelength λ
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
An electromagnetic wave detection device comprising a support body having one surface to be irradiated with an electromagnetic wave, at least one electromagnetic wave detection element provided on the support body, and at least one waveguide structure each of which is supported on the support body, has a first aperture opened to a side of the one surface of the support body, and forms a waveguide that narrows in a direction away from the one surface.