Angular Deviation Tracking Detector for Optical Systems
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Solution Overview
Problem
Optical systems, particularly FSO communications, face challenges in maintaining proper alignment of incoming light beams with receivers, leading to potential data loss and reduced bandwidth due to angular deviation.
Innovation Solution
An angular deviation optical tracking and detector device is developed, featuring position sensor elements and an optical tunnel structure coupled with a detector array to detect misalignment and determine angular deviation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional alignment methods are used, then device complexity is reduced, but measurement precision of angular deviation deteriorates
Solution Approach 1:
The detector device is segmented into multiple functional components: position sensor elements arranged in arrays, optical tunnels, and detector arrays. Each segment performs a specific function (detecting light position, guiding light, measuring intensity) which collectively enables precise angular deviation measurement without requiring a single complex device
Solution Approach 2:
The patent transitions from traditional single-point or single-line detection to two-dimensional position sensor arrays. This dimensional expansion allows simultaneous measurement of angular deviation in multiple directions (x and y axes), significantly improving measurement precision while maintaining manageable device complexity through modular array construction
2Reliability
If position sensor elements are added to detect misalignment, then reliability of data transmission is improved, but device complexity increases
Solution Approach 1:
The detector device is designed with multi-functionality: the position sensor arrays not only detect angular deviation for alignment purposes but also measure light intensity distribution and provide feedback for real-time tracking. This universal approach improves data transmission reliability by addressing multiple parameters simultaneously rather than requiring separate dedicated devices for each function
Solution Approach 2:
The position sensor elements provide continuous feedback about beam position and angular deviation to the control system. This feedback mechanism enables real-time correction of misalignment, significantly improving data transmission reliability by dynamically compensating for environmental disturbances, atmospheric turbulence, and mechanical instabilities
3Measurement precision
If optical tunnel structure is used to determine angular deviation, then measurement precision is improved, but manufacturing precision requirements increase
Solution Approach 1:
The optical tunnel acts as an intermediary structure that guides light from the position sensors to the detector arrays. By introducing this intermediate light-guiding element, the system achieves precise angular deviation measurement without requiring direct line-of-sight or extremely precise mechanical alignment between distant components, thereby reducing manufacturing precision requirements while maintaining measurement accuracy
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 device effectively tracks and detects angular deviations, ensuring proper alignment of light beams and minimizing data loss, thereby enhancing the performance and reliability of optical systems like FSO communications.
Implementation Method 1
a plurality of position receivers positioned adjacent to the optical aperture, the plurality of position receivers configured to sense portions of the incoming light
Implementation Method 2
an optical detector array configured to detect portions of the incoming light that passes through the position sensor aperture and optical tunnel
Data Source
AI summary
An angular deviation optical tracking and detector device for use in optical systems such as a FSO communication systems—among others. The angular deviation optical tracking and detector device includes position sensor elements that are configured to detect any misalignment of incoming/received light and an optical tunnel structure coupled with a detector array to determine the angular deviation. The optical tracking and detector device includes a position sensor having an optical aperture configured to allow a portion of incoming light to pass through the position sensor; a plurality of position receivers positioned adjacent to the optical aperture, the plurality of position receivers configured to sense portions of the incoming light; and an optical detector array configured to detect portions of the incoming light that passes through the position sensor aperture and optical tunnel. Angular deviation may be determined from diode array readout of illuminated individual diodes.