Optical Locking with Carbon Nanotube Wavelength Detection
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Solution Overview
Problem
Current optical switching devices, such as fluorescence spectrometers, are expensive and complex, making them unsuitable for widespread application in controlling devices using specific wavelengths of light.
Innovation Solution
An optical locking system utilizing a light emitter, optical wavelength identifying system, and locking unit, where the optical wavelength identifying system includes a receiver, optical wavelength detecting device, modulator, memory, comparison module, and instruction module, employing a carbon nanotube structure to detect and convert light wavelengths, enabling reliable and cost-effective control of devices based on specific wavelengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a fluorescence spectrometer is used to detect specific wavelengths of light, then the measurement precision is improved, but the device complexity and cost increase significantly
Solution Approach 1:
The patent changes the detection parameter from fluorescence intensity measurement to direct light transmission measurement. The carbon nanotube structure's light absorption properties at specific wavelengths are directly measured, eliminating the need for complex fluorescence excitation and detection systems while maintaining wavelength identification accuracy
Solution Approach 2:
The patent replaces expensive, complex fluorescence spectrometer equipment with a simple, low-cost optical detection system based on carbon nanotube light absorption characteristics. This substitution dramatically reduces system cost and complexity while achieving the same wavelength identification function
2Measurement precision
If a fluorescence spectrometer is used to detect specific wavelengths of light, then the measurement precision is improved, but the cost increases significantly
Solution Approach 1:
The patent replaces expensive, complex fluorescence spectrometer equipment with a simple, low-cost optical detection system based on carbon nanotube light absorption characteristics. This substitution dramatically reduces system cost and complexity while achieving the same wavelength identification function
Solution Approach 2:
The patent extracts only the essential wavelength detection function from the complex fluorescence spectrometer system. By using carbon nanotubes' inherent light absorption properties at specific wavelengths, the system retains wavelength identification capability while removing unnecessary complex components
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 system provides a simple, cost-effective, and reliable method for controlling devices by accurately identifying and responding to specific light wavelengths, applicable in various applications including entrance guards and other switching devices.
Implementation Method 1
employing a carbon nanotube structure to detect and convert light wavelengths
Data Source
AI summary
An optical locking system comprises a light emitter, an optical wavelength identifying system, and a locking unit. The optical wavelength identifying system comprises an optical wavelength detecting device, a memory, a modulator, a comparison module, and an instruction module. The optical wavelength detecting device comprises a polarizer, a detecting element, a measuring device, and a data processor. The detecting element configured to form a temperature difference or a potential difference between two points of the detecting element when exposed to the polarized light, wherein the detecting element comprises a carbon nanotube structure comprising a plurality of carbon nanotubes oriented along the same direction, and angles between a polarizing direction of the polarized light and an oriented direction of the plurality of carbon nanotubes is adjustable.