Single TEC Thermal Coupling for Fiber Laser Wavelength Control
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Solution Overview
Problem
Fiber laser systems face challenges with temperature control, including significant size and weight, reduced dependability, inefficiency, complex design, and increased likelihood of performance degradation due to the use of multiple thermoelectric coolers for individual components.
Innovation Solution
A fiber laser system design that utilizes a single thermoelectric cooler to control the temperature of multiple components, including a thermally conductive fiber grating holder with channels for the optical fiber and a thermally conductive adhesive, reducing the number of temperature control components and simplifying the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple thermoelectric coolers are used to control temperature of individual components, then temperature control precision is improved, but system size, weight, and complexity increase
Solution Approach 1:
The patent merges multiple temperature control functions into a single thermoelectric cooler by thermally coupling it to multiple components (laser diode, fiber grating holder, and optical fiber) through a common thermal path. This consolidation reduces the number of separate temperature control devices from multiple to one, thereby reducing system complexity while maintaining temperature control capability across all components.
Solution Approach 2:
The single thermoelectric cooler is designed to perform multiple temperature control functions simultaneously. By establishing a thermal path that connects the cooler to the laser diode, fiber grating holder, and optical fiber, one device achieves what previously required multiple dedicated coolers, reducing overall system complexity and component count.
2Stability of the object's composition
If multiple thermoelectric coolers are used for individual component temperature control, then temperature stability is improved, but system weight increases
Solution Approach 1:
The patent combines multiple temperature control functions into a single thermoelectric cooler unit. By using one cooler instead of multiple separate units to control the laser diode, fiber grating holder, and optical fiber, the overall system weight is reduced while maintaining the temperature stability needed for precise wavelength control.
3Temperature
If multiple thermoelectric coolers are used for temperature control, then temperature regulation capability is improved, but system power consumption increases
Solution Approach 1:
The patent consolidates multiple temperature control operations into a single thermoelectric cooler system. By using one power-consuming device instead of multiple separate coolers to regulate the temperature of the laser diode, fiber grating holder, and optical fiber, the total power consumption of the system is reduced while maintaining effective temperature regulation capability.
4Temperature
If multiple thermoelectric coolers are used, then component temperature control is improved, but system dependability decreases
Solution Approach 1:
The patent merges multiple temperature control functions into a single thermoelectric cooler, reducing the number of potential failure points in the system. By eliminating the need for multiple separate coolers and their associated control circuits, the system becomes more reliable with fewer components that could malfunction, while still achieving temperature control for all critical components through the unified thermal management approach.
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
This design reduces system size and weight, increases dependability, improves efficiency, and decreases the likelihood of performance degradation by using a single thermoelectric cooler to manage temperature, allowing for precise signal wavelength control and reduced power consumption.
Implementation Method 1
a single thermoelectric cooler may be utilized to control the temperature of multiple system components
Implementation Method 2
the at least one channel is configured to receive a quantity of thermally conductive adhesive/sealant disposed therein
Data Source
AI summary
Techniques and architecture are disclosed for controlling the temperature of a fiber laser system. In some embodiments, a single thermoelectric cooler (TEC) may be utilized to control the temperature of multiple system components. In some embodiments, a TEC may be physically/thermally coupled to a laser diode, which in turn may be physically/thermally coupled with a mounting plate to which one or more fiber grating holders are physically/thermally coupled, and an optical fiber that is operatively coupled with the laser diode may be physically/thermally coupled with the one or more fiber grating holders. In some embodiments, this may provide a thermal pathway/coupling between the optical fiber (e.g., its fiber grating(s)), and the TEC. In some embodiments, this may reduce/minimize the quantity of temperature control components, reduce system size/complexity, increase system dependability, and/or increase system performance/efficiency. Numerous configurations and variations will be apparent in light of this disclosure.