Spectral Filter Module Trigger-Driven Wavelength Switching
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Solution Overview
Problem
Existing spectral filter modules require complex arithmetic processing and control signals to switch wavelengths, making high-speed wavelength switching difficult.
Innovation Solution
A spectral filter module with a drive control unit that outputs wavelength command values from a stored list in response to a trigger signal, simplifying the switching process by eliminating the need for continuous control signal input and allowing rapid wavelength changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If continuous control signals are used to switch wavelengths, then wavelength switching capability is achieved, but switching speed is limited due to complex arithmetic processing
Solution Approach 1:
The drive control unit stores multiple wavelength command values in advance in a wavelength list. When a trigger signal is received, the system simply retrieves and outputs the next wavelength command value from the stored list without performing complex arithmetic processing, thereby achieving high-speed wavelength switching
Solution Approach 2:
The drive control unit automatically manages wavelength switching by itself using the stored wavelength list and trigger signals. The system self-regulates the wavelength command value output based on incoming trigger signals without requiring external control signals or complex arithmetic operations from external devices
2Adaptability or versatility
If multiple control lines are used for wavelength switching, then wavelength control flexibility is improved, but device configuration becomes complex
Solution Approach 1:
The invention extracts the wavelength command value storage function into a separate wavelength list within the drive control unit. This separates the control data from the control signaling, allowing the module to maintain wavelength switching flexibility through the stored list while simplifying the physical configuration by eliminating multiple control lines
Solution Approach 2:
The drive control unit serves multiple functions: it stores wavelength command values, manages the wavelength list, responds to trigger signals, and outputs appropriate wavelength commands. This multi-functionality consolidates what would otherwise require multiple separate control mechanisms into a single integrated unit, reducing configuration complexity
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 faster wavelength switching and simplifies the configuration of the spectral filter module, allowing for more efficient spectroscopic measurements and reduced processing time.
Implementation Method 1
a spectral filter (wavelength variable interference filter) that transmits light having a predetermined wavelength among reflected light reflected by a measurement object
Data Source
AI summary
A spectral filter module includes a spectral filter that splits light having a wavelength corresponding to an input drive voltage from incident light and outputs the light, a drive unit that outputs the drive voltage based on an input wavelength command value, and a drive controller that outputs the wavelength command value and changes the wavelength command value every time a trigger signal is input from the outside.