Polarization Controller Layout for Stable Optical Module Assembly
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Solution Overview
Problem
Existing optical modules face difficulties in achieving desired performance due to challenges in adjusting and maintaining the polarized state of input light, leading to increased assembly complexity and decreased performance.
Innovation Solution
The optical module incorporates a polarization controller with a first polarizer and a half wave plate to enhance the polarization of input light, ensuring stable and accurate polarization states, thereby simplifying assembly and maintaining performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual adjustment of polarized state is performed to achieve desired performance, then performance accuracy is improved, but assembly complexity and time increase
Solution Approach 1:
The system performs self-adjustment of polarization state through automatic feedback control. The polarization controller continuously monitors the polarization state of light and automatically adjusts itself to maintain the desired state, eliminating the need for manual adjustment operations and reducing assembly complexity while maintaining high accuracy
Solution Approach 2:
The system implements feedback control by monitoring the polarization state of input light and automatically adjusting the polarization controller to compensate for deviations. This closed-loop control ensures accurate polarization state maintenance without requiring manual intervention, resolving the contradiction between accuracy and assembly complexity
2Measurement precision
If manual adjustment of polarized state is performed to achieve desired performance, then performance accuracy is improved, but assembly time increases
Solution Approach 1:
The polarization controller is pre-configured with default polarization settings and automatic adjustment capabilities before assembly. This preliminary configuration allows the system to achieve accurate polarization state immediately upon installation without requiring time-consuming manual adjustment procedures
Solution Approach 2:
The system performs self-adjustment of polarization state through automatic feedback control. The polarization controller continuously monitors the polarization state of light and automatically adjusts itself to maintain the desired state, eliminating the need for manual adjustment operations and reducing assembly time while maintaining high accuracy
3Device complexity
If polarization adjustment is made difficult, then device simplicity is improved, but performance decreases
Solution Approach 1:
The system performs self-adjustment of polarization state through automatic feedback control. The polarization controller continuously monitors the polarization state of light and automatically adjusts itself to maintain the desired state, eliminating the need for manual adjustment operations and reducing assembly complexity while maintaining high accuracy
Solution Approach 2:
The system implements feedback control by monitoring the polarization state of input light and automatically adjusting the polarization controller to compensate for deviations. This closed-loop control ensures accurate polarization state maintenance without requiring manual intervention, resolving the contradiction between accuracy and assembly 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
The solution effectively stabilizes the polarized state of light, reducing assembly complexity and maintaining performance by enhancing the degree of polarization, thus ensuring optimal operation of optical devices.
Implementation Method 1
the polarization controller is configured to allow fourth light that is input from the third input portion to pass through the first polarizer and output the fourth light from the second output portion to the optical device
Implementation Method 2
the polarization multiplexer and demultiplexer portion, if two kinds of light that are in perpendicularly-polarized states are input, performs polarization multiplexing on the two kinds of light and outputs the polarization-multiplexed light
Implementation Method 3
due to reciprocity of light, the polarization multiplexer and demultiplexer portion, if light is input, performs polarization demultiplexing on the light and outputs two kinds of light that are in perpendicularly-polarized states
Data Source
AI summary
An optical module includes: a polarization controller that includes a main body including a polarization multiplexer and demultiplexer portion that, upon input of two kinds of light that are in perpendicularly-polarized states, performs polarization multiplexing on the two kinds of light and output polarization-multiplexed light, and upon input of light, performs polarization demultiplexing on the light and outputs two kinds of light that are in perpendicularly-polarized states, a first polarizer, a first input portion, a second input portion, a third input portion, a first output portion, and a second output portion; and an optical device configured to receive input of light via the polarization controller and output light via the polarization controller.