Digital Laser Pulse Shaping Module Integrating Clock and Shape Generators
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current laser systems lack a practical and integrated method for generating appropriate control signals for pulse shaping, leading to increased system complexity, cost, and volume due to the need for separate waveform generators and synchronization management.
Innovation Solution
A digital pulse shaping module that includes a clock generator producing phase-related clock signals, a shape generator operating in Double Data Rate (DDR) to produce a digital shape signal, and a Digital-to-Analog Converter (DAC) to convert the signal into an analog shape signal, which is then used to control a pulsed laser oscillator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate waveform generators and synchronization management are used for pulse shaping, then pulse shaping control is achieved, but system complexity increases
Solution Approach 1:
The patent combines the waveform generator, synchronization management, and pulse shaping control into a single integrated device. This merging eliminates the need for separate components and their interconnections, directly reducing system complexity while maintaining full pulse shaping functionality. The integrated device handles both signal generation and synchronization internally, resolving the technical contradiction between adaptability and device complexity.
2Adaptability or versatility
If separate waveform generators and synchronization management are used for pulse shaping, then pulse shaping control is achieved, but system cost increases
Solution Approach 1:
By integrating multiple functions into a single device, the patent reduces the total component count, assembly requirements, and interconnection needs. This merging approach lowers manufacturing costs, maintenance expenses, and overall system investment while preserving complete pulse shaping control capability.
3Adaptability or versatility
If separate waveform generators and synchronization management are used for pulse shaping, then pulse shaping control is achieved, but system volume increases
Solution Approach 1:
The integration of waveform generation, synchronization, and pulse shaping control into one compact device significantly reduces the physical space required. By eliminating separate generators and their interconnections, the system volume is minimized while maintaining full adaptability for pulse shaping applications.
4Device complexity
If integrated pulse shaping module is used, then system complexity is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The patent employs Field-Programmable Gate Array (FPGA) technology to implement the integrated pulse shaping module. This electronic/software-based approach replaces traditional hardware integration, allowing for flexible configuration and precise timing control through software programming. The FPGA's inherent synchronization capabilities and reconfigurability enable high-precision pulse shaping while maintaining system integration, effectively managing the trade-off between reduced complexity and manufacturing precision requirements.
Data Source
AI summary
A digital pulse shaping module for controlling a pulsed laser oscillator according to a digital input waveform is provided. The pulse shaping module includes a clock generator generating a plurality of phase-related clock signals and a shape generator which outputs a digital shape signal corresponding to the digital input waveform in Double Data Rate in response to the clock signals. A DAC converts the digital shape into an analog shape signal. The analog shape signal may be used to control the current source of a laser seed source or modulators in the laser oscillator shaping a seed light signal. Optionally, the pulse shaping module may also output a gate control signal having a predetermined timing relationship with respect to the digital shape signal.