Terahertz Detection Device Using Ellipsoidal Reflectors for Multi-Polarization Analysis

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Solution Overview

Problem

Current techniques for examining characteristics of objects using terahertz electromagnetic waves are time-consuming and require separate measurements for different polarization directions, making it inefficient to detect changes in transmittance across various polarizations.

Innovation Solution

An electromagnetic wave detection device that simultaneously or sequentially irradiates a detection region with terahertz electromagnetic waves of different properties, using ellipsoidal reflectors to collect and detect waves, allowing for easy characterization of objects under multiple polarizations without positional shifts, thereby improving detection accuracy and miniaturization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If separate measurements are performed for different polarization directions, then measurement precision is improved, but measurement time increases

Engineering Contradiction:
Improvedetection precisionVSAvoidmeasurement time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent combines multiple detection functions into a single measurement process by using a detection region that can simultaneously detect terahertz electromagnetic waves with different polarization directions. This allows the system to measure characteristics under multiple polarizations in one go, eliminating the need for separate measurements for each polarization direction while maintaining detection precision.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The detection region is designed with universal capability to detect various types of terahertz electromagnetic waves with different polarization directions. This multi-functional detection region can handle both horizontal and vertical polarization waves simultaneously, enabling the system to perform multiple measurement tasks through a single integrated structure.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If multiple polarization directions are measured separately, then detection accuracy is improved, but device complexity increases

Engineering Contradiction:
Improvedetection accuracyVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent merges multiple detection systems into a single integrated detection region that can handle different polarization directions simultaneously. This consolidation reduces the number of separate components needed while maintaining the ability to detect and measure various polarization characteristics with high accuracy.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The detection region is designed as a universal component that can detect terahertz electromagnetic waves with different polarization directions without requiring separate specialized detectors for each polarization type. This multi-functional design simplifies the overall device structure while preserving detection accuracy.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Quantity of substance

If positional shifts are used for detection, then measurement coverage is improved, but measurement precision deteriorates

Engineering Contradiction:
Improvemeasurement coverageVSAvoidmeasurement precision
Core Design Contradiction:
Quantity of substanceVSMeasurement precision

Solution Approach 1:

The detection region is designed with universal detection capability that covers multiple polarization directions simultaneously without requiring positional shifts. This allows the system to maintain a fixed position while still measuring various characteristics under different polarizations, eliminating the trade-off between coverage and precision.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Enables efficient detection of object characteristics under multiple terahertz electromagnetic waves with different polarization directions, enhancing detection accuracy and reducing the time required for analysis.

Implementation Method 1

using ellipsoidal reflectors to collect and detect waves

Methodology Applied
Scientific EffectReflection: Reflection

Data Source

PatentEP3951358B1Electromagnetic wave detection device, media handling device, and electromagnetic wave detection method
Publication Date: 2024.07.17 GLORY LTD
  • EP3951358B1 patent drawingFigure 1
  • EP3951358B1 patent drawingFigure 2
  • EP3951358B1 patent drawingFigure 3

AI summary

The present invention provides an electromagnetic wave detection device, a medium handling device, and a method of detecting electromagnetic waves, each of which enables easy detection of a characteristic of an object under a plurality of terahertz electromagnetic waves having different properties. The electromagnetic wave detection device of the present invention is an electromagnetic wave detection device configured to detect a characteristic of a medium by irradiating the medium with terahertz electromagnetic waves, the device including: a transmission unit configured to irradiate a same detection region with first terahertz electromagnetic waves having a first property and second terahertz electromagnetic waves having a second property, the first property being different from the second property; and a reception unit configured to receive the first terahertz electromagnetic waves that have passed through the detection region and the second terahertz electromagnetic waves that have passed through the detection region.