Fluorescent Sensor Composition for Monotonic Temperature Response
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fluorescence-based temperature sensors exhibit varying fluorescence lifetime versus temperature relationships, making it challenging to achieve consistent performance across different materials and environments.
Innovation Solution
Selecting and adjusting the concentrations of inert and active ingredients in fluorescent materials to approximate a reference fluorescence lifetime versus temperature relationship, using adaptive methods to ensure monotonicity and minimize deviations, thereby producing sensors with consistent characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different fluorescent materials are used to produce temperature sensors, then variety of materials can be utilized, but the fluorescence lifetime versus temperature relationship varies making consistent performance difficult to achieve
Solution Approach 1:
The patent applies parameter changes by systematically varying the concentrations of active and inert ingredients in the fluorescent material composition. By adjusting these compositional parameters, the fluorescence lifetime versus temperature relationship can be tuned to match a reference transfer function, enabling different materials to achieve consistent performance characteristics.
Solution Approach 2:
The patent uses composite materials by combining multiple ingredients (active ingredients that influence fluorescence lifetime and inert ingredients that provide structural support) to create a fluorescent material with a tailored fluorescence lifetime versus temperature relationship. This composite approach allows optimization of both material versatility and performance consistency.
2Manufacturing precision
If adaptive adjustment of ingredient concentrations is performed to match reference transfer function, then manufacturing precision is improved, but measurement and adjustment complexity increases
Solution Approach 1:
The patent implements feedback by measuring the actual fluorescence lifetime versus temperature relationship of the produced fluorescent material and comparing it to the reference transfer function. Based on this comparison, the compositional parameters are adjusted in subsequent production batches, creating a closed-loop system that progressively improves manufacturing precision.
Solution Approach 2:
The patent applies preliminary action by pre-determining the reference transfer function and using it as a target for compositional optimization. The ingredient concentrations are carefully selected and adjusted in advance based on expected performance requirements, allowing systematic control of the fluorescence lifetime versus temperature relationship before actual production.
3Manufacturing precision
If multiple batches with different compositions are tested to find optimal composition, then manufacturing precision is improved, but time and resource consumption increases
Solution Approach 1:
The patent applies partial action by testing a selected number of batches with systematically varied compositions rather than exhaustively testing all possible compositions. By strategically choosing which compositional variations to test based on the reference transfer function requirements, the optimization process achieves sufficient precision without excessive time investment.
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
The method ensures that fluorescence-based temperature sensors closely match a reference transfer function, enabling consistent performance and backward compatibility with previous sensor versions.
Implementation Method 1
the fluorescence lifetime of a fluorescent material depends on the inherent properties, hence the composition, of the fluorescent material as well as the temperature of the fluorescent material
Data Source
AI summary
Ingredients of a fluorescent material are selected and apportioned to yield a fluorescence lifetime that varies monotonically within a specified range of temperatures of the fluorescent material. The fluorescent material includes both inert ingredients and active tuning ingredients that monotonically influence the dependency of fluorescence lifetime on temperature. The invention provides a method of adjusting a selected fluorescence material to result in variation of fluorescence lifetime with temperature that closely adhere to a monotonic reference function, of fluorescence lifetime versus temperature, that is specific for a temperature-range of interest. The reference function may be monotone-decreasing or monotone-increasing. On a manufacturing scale, fluorescent materials, thus adjusted, can be used to produce temperature sensors that are backward compatible. A system implementing the method employs a chemical-processing facility, an apparatus for measuring fluorescence lifetime, and a computation module for determining requisite adjustments to be fed back to the chemical facility.