Multi-Path Optical Amplifier With Variable Divergence Angles

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Solution Overview

Problem

Free-space communication systems face spatial cross-talk and increased power consumption due to the inability to independently enable or disable signals with different divergence angles, requiring dedicated telescope assemblies and complex hardware configurations.

Innovation Solution

A multi-path optical amplification system with independent amplifiers and collimator assemblies providing different beam divergences, allowing for shared telescope usage and reduced power consumption by eliminating spatial cross-talk and enabling variable channel capacities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple optical assemblies with different divergence angles are used to support different channel capacities, then the system can provide variable performance in terms of bit-rate, distance or elevation, but hardware replication increases size, weight and power consumption

Engineering Contradiction:
Improvevariable channel capacityVSAvoidpower consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The patent combines multiple optical assemblies with different divergence angles into a single shared telescope structure. This merging approach allows the system to support multiple channel capacities (different bit-rates, distances, or elevations) while using one common telescope, thereby reducing the overall power consumption and hardware replication compared to having separate telescopes for each optical assembly

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The shared telescope is designed to serve multiple optical assemblies simultaneously, making it a universal component that handles different divergence angles and channel capacities. This multi-functionality eliminates the need for dedicated telescopes for each optical assembly, reducing system complexity and power requirements

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple optical assemblies with different divergence angles are used to support different channel capacities, then the system can provide variable performance, but hardware replication increases device complexity

Engineering Contradiction:
Improvevariable channel capacityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges multiple optical assemblies into a single integrated system that shares a common telescope. This consolidation reduces device complexity by eliminating redundant telescope components while maintaining the ability to support different channel capacities through the shared telescope's ability to handle multiple divergence angles

Inventive Principle:
Principle #5Merging (Combining)

3Device complexity

If a shared telescope is used for multiple optical assemblies with different divergence angles, then hardware is reduced, but spatial cross-talk occurs between signals

Engineering Contradiction:
Improvesystem complexityVSAvoidspatial cross-talk
Core Design Contradiction:
Device complexityVSObject-generated harmful factors

Solution Approach 1:

The patent introduces spatial filters as intermediary components within the shared telescope system. These spatial filters act as mediators that separate signals with different divergence angles, preventing spatial cross-talk between them while allowing the shared telescope to efficiently handle multiple optical assemblies

Inventive Principle:
Principle #24Intermediary (Mediator)

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 enhances system efficiency and reduces complexity by allowing multiple channel capacities with different divergence angles, improving power efficiency and eliminating the need for dedicated telescopes, thus maintaining performance across varying distances and atmospheric conditions.

Implementation Method 1

an optical amplifier and a collimator assembly

Methodology Applied
Scientific EffectStimulated emission:

Implementation Method 2

a collimator assembly... provide a first output beam having a first beam divergence (D1)

Methodology Applied
Scientific EffectOptical collimation: Lens

Data Source

PatentUS10897117B1Fiber amplifier system with variable communication channel capacities
Publication Date: 2021.01.19 GOOCH & HOUSEGO
  • US10897117B1 patent drawing
  • US10897117B1 patent drawing
  • US10897117B1 patent drawing

AI summary

A multi-path optical amplification system includes a modulated light source emitting λ1 modulated light, a first signal splitter coupled to receive the modulated λ1 light providing a first λ1 modulated light signal and second λ1 modulated light signal. A first optical amplifier is for receiving the first λ1 modulated light signal and generating a first amplified output signal, and a second optical amplifier is for receiving the second λ1 modulated light signal and generating a second amplified output signal. A first collimator assembly is coupled to receive the first amplified output signal and provide a first output beam having a first beam divergence (D1) and a second collimator assembly is coupled to receive the second amplified output signal and provide a second output beam having a second beam divergence (D2).