Interferometric Sample Testing With Integrated Optics and Thermal Control

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Solution Overview

Problem

Existing methods for sample testing face challenges due to structural limitations, environmental temperature variations, and contamination, affecting efficiency and accuracy.

Innovation Solution

The use of interferometry-based sample testing devices with integrated optical components, including waveguides, collimators, beam splitters, and polarization beam splitters, to detect viral indicators and protein content in samples, combined with computer-implemented methods for refractive index analysis and deep learning models for sample identification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If interferometry-based optical components are used to improve detection accuracy, then measurement precision is improved, but device complexity increases

Engineering Contradiction:

Improvedetection accuracyVSAvoiddevice complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent combines multiple optical functions (collimation, beam splitting, polarization) into integrated optical components that work together within a unified interferometry system. The waveguide integrates these components to achieve high measurement precision while managing complexity through functional integration rather than separate discrete elements.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The waveguide acts as an intermediary component that guides and manages light between the integrated optical components. It serves as a mediator that enables the complex interferometry system to function by providing a controlled optical path, thereby managing device complexity while maintaining measurement precision.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Measurement precision

If environmental temperature control is implemented to improve testing accuracy, then measurement precision is improved, but use of energy increases

Engineering Contradiction:

Improvetesting accuracyVSAvoiduse of energy

Core Design Contradiction:

Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The patent employs temperature control to maintain stable environmental parameters during testing. By controlling the temperature parameter, the system prevents thermal fluctuations from affecting optical measurements, thereby maintaining measurement precision. The energy consumption is justified by the critical need for thermal stability in interferometry-based detection.

Inventive Principle:

Principle #35Parameter changes

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

Enhances the accuracy and efficiency of sample testing by improving detection capabilities and temperature control, enabling precise identification of viral indicators and protein content.

Implementation Method 1

a waveguide and an integrated optical component

Methodology Applied

Scientific EffectLight guidance: Waveguide (optics)

Implementation Method 2

utilize interferometry to detect the presence of virus and/or other viral indicator of protein content in a collected sample

Methodology Applied

Scientific EffectInterferometry: Interference

Data Source

PatentUS12553885B2Apparatuses, systems, and methods for sample testing

Publication Date: 2026.02.17 HAND HELD PRODS INC

AI summary

Methods, apparatuses, and systems associated with a sample testing device are provided.