Fiber Laser Assembly for Composite CW, QCW, and Q-Switched Output
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Solution Overview
Problem
Existing technologies struggle to generate custom laser output patterns that combine continuous waves, quasi-continuous waves, and Q-switched high intensity short duration pulses effectively.
Innovation Solution
A fiber optic laser assembly integrating CW, QCW, and Q-switched lasers, with a fusion of their outputs via a fiber optic cable, controlled by an electronic controller to produce a composite output pattern.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple laser types (CW, QCW, Q-switched) are integrated into a single assembly, then the versatility and customization of laser output patterns is improved, but the device complexity increases
Solution Approach 1:
The patent combines multiple laser sources (CW laser, QCW laser, and Q-switched laser) into a single integrated assembly, merging their optical paths and control systems. This allows the system to generate complex custom pulse profiles by coordinating the outputs of different laser types, directly resolving the contradiction by achieving versatility through integration while managing complexity through unified design.
Solution Approach 2:
The laser assembly is designed as a multi-functional system that can produce various laser output patterns (continuous wave, quasi-continuous wave, pulsed, and Q-switched profiles) from a single integrated unit. The electronic controller enables the system to switch between different operational modes and customize pulse profiles, making the device universally applicable to diverse industrial andscientific applications.
2Productivity
If custom pulse profiles with multiple wave portions are generated, then the effectiveness for specific applications is improved, but the control system complexity increases
Solution Approach 1:
The electronic controller is designed to dynamically adjust the operational parameters of each laser source in real-time, enabling the system to generate complex custom pulse profiles with multiple wave portions. The controller can modulate the intensity, duration, and timing of each laser component's output, allowing effective customization for specific applications while managing control complexity through automated coordination.
Solution Approach 2:
The system achieves custom pulse profiles by dynamically changing operational parameters (intensity, pulse duration, frequency) of the individual laser sources. The electronic controller coordinates these parameter changes across multiple laser types to produce composite wave patterns that resemble continuous waves, quasi-CW, or pulsed profiles, thereby improving application effectiveness through parameter optimization.
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 the generation of tailored laser outputs with combined characteristics, enhancing applications in materials processing such as cutting, welding, and additive manufacturing.
Implementation Method 1
a fusion of their outputs via a fiber optic cable assembly
Implementation Method 2
each respective laser includes an operationally connected fiber optic cable for carrying and directing its output signal energy
Data Source
AI summary
A laser assembly, including a first CW laser having a first fiber optic cable operationally connected thereto for directing a first CW laser output, a second QCW laser having a second fiber optic cable operationally connected thereto for directing a second QCW laser output, and a third Q-switched laser having a third fiber optic cable operationally connected thereto for directing a third Q-switched laser output. A fusion point is operationally connected to the first, second, and third fiber optic cables for combining the first, second, and third laser outputs into a composite output. A fourth fiber optic cable is connected to and extends from the fusion point for directing the composite output.