Resonator Lens Detector Agent Detection System

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Solution Overview

Problem

Existing detection systems for agents, such as chemical or biological agents, are cumbersome, costly, and require maintaining components at low operating temperatures, which complicates their integration into portable devices and increases power consumption.

Innovation Solution

A system utilizing a resonator device that transmits light with known characteristics, altered by the presence of an agent, focused through a lens onto a detector array, allowing for agent detection without the need for the resonator to be at the same temperature as the detector array, enabling easier integration into portable devices like digital cameras.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If the resonator device is integrated with the detector array at the same location, then the system structure is compact, but the resonator cannot be positioned optimally for agent absorption and must be maintained at low temperature increasing complexity

Engineering Contradiction:
Improvesystem integration compactnessVSAvoidagent absorption efficiency
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The system is divided into two separate functional modules: the resonator device positioned separately for optimal agent absorption, and the detector array maintained at low temperature for detection. This segmentation allows each component to be optimized independently - the resonator can be positioned to maximize agent exposure while the detector remains cryogenically cooled, resolving the contradiction between compact integration and operational effectiveness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

An optical coupling mechanism serves as an intermediary between the resonator device and detector array. Light modulated by the resonator's interaction with agents is transmitted through optical pathways to the detector, enabling separate positioning of functional components while maintaining system coherence. This intermediary allows the resonator to be positioned for optimal agent absorption without requiring thermal coupling to the cryogenic detector.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If the resonator device is maintained at low operating temperature, then detection precision is improved, but device complexity and power requirements increase

Engineering Contradiction:
Improvedetection precisionVSAvoidtemperature maintenance complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The resonator device is extracted from the cryogenic environment and positioned separately from the detector array. Only the detector array is maintained at low temperature, while the resonator operates at ambient temperature. This extraction reduces the thermal management burden while preserving detection precision, as the critical detection function remains cryogenically cooled while the agent interaction function operates independently.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The system replaces direct thermal coupling mechanisms with optical coupling. Instead of requiring the resonator to be thermally managed with the detector, optical signals carry the modulation information from the resonator to the detector. This substitution eliminates complex thermal management infrastructure while maintaining measurement precision through optical signal transmission.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If the resonator device is positioned separately from the detector array, then agent absorption is enhanced, but optical coupling complexity is introduced

Engineering Contradiction:
Improveagent absorption efficiencyVSAvoidoptical coupling complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The optical coupling mechanism serves multiple functions: it transmits light from the resonator to the detector, enables separate positioning of components for optimized agent absorption, and carries modulation information. This multi-functionality reduces overall system complexity by consolidating several requirements into a single optical pathway, making the separate positioning of resonator and detector feasible without proportionally increasing complexity.

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

This solution reduces the size, weight, and power requirements of detection systems, allows for easier agent absorption, and eliminates the need for maintaining the resonator at low temperatures, enhancing the portability and efficiency of agent detection.

Implementation Method 1

The resonator device is configured to receive an agent. The resonator device is additionally configured to transmit light received from a light source. The transmitted light has a known characteristic in the absence of the received agent and an altered characteristic in the presence of the received agent.

Methodology Applied
Scientific EffectLight transmission and modulation: Absorption (EM radiation)

Implementation Method 2

a lens positioned between the resonator device and a detector array. The lens is configured to focus the transmitted light onto one or more detectors of the detector array

Methodology Applied
Scientific EffectLight focusing: Lens

Implementation Method 3

the one or more detectors of the detector array operable to generate a signal corresponding to the transmitted light

Methodology Applied
Scientific EffectPhotoelectric conversion: Photoelectric Effect

Data Source

PatentUS8582104B2Optical device for detection of an agent
Publication Date: 2013.11.12 RAYTHEON CO
  • US8582104B2 patent drawing
  • US8582104B2 patent drawing
  • US8582104B2 patent drawing

AI summary

In certain embodiments, a system for detecting an agent includes a resonator device configured to receive an agent. The resonator device is additionally configured to transmit light received from a light source. The transmitted light has a known characteristic in the absence of the received agent and an altered characteristic in the presence of the received agent. The system further include a lens positioned between the resonator device and a detector array. The lens is configured to focus the transmitted light onto one or more detectors of the detector array, the one or more detectors of the detector array operable to generate a signal corresponding to the transmitted light. The system further includes a processing system operable to determine whether the agent is present based on the signal generated by the one or more detectors of the detector array.