Pulse-on-Demand Laser Timing for Consistent Target Interaction
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Solution Overview
Problem
Existing laser systems struggle to efficiently generate and control laser pulses for interaction with targets passing through a destination area with minimal temporal jitter and consistent pulse energy, leading to inefficiencies in energy management and potential accidental interactions.
Innovation Solution
A laser system with a control device that assigns emission times to laser pulses, distinguishing between ON and OFF pulses to interact with or miss targets, using a Pulse-on-Demand scheme, and an optical amplifier with intermediate pulses to maintain consistent energy levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If laser pulses are continuously emitted to interact with all targets, then interaction reliability is improved, but energy consumption increases and accidental interactions occur
Solution Approach 1:
The laser pulse emission is made dynamic and adaptive rather than continuous. The control device adjusts the emission timing of laser pulses based on the actual position and velocity of targets, emitting pulses only when a target is within the interaction zone. This dynamic control maintains interaction reliability while significantly reducing energy consumption by avoiding unnecessary pulse emissions.
Solution Approach 2:
The system changes the temporal parameters of laser pulse emission based on target characteristics. By calculating optimal emission times using target position and velocity data, the system adjusts when pulses are emitted to ensure reliable interaction while minimizing energy waste. The pulse emission pattern is transformed from continuous to event-driven based on parameter changes in target state.
2Measurement precision
If laser pulses are emitted at individually specified times using pulse picking, then pulse timing precision is improved, but device complexity increases
Solution Approach 1:
The system employs feedback mechanisms where the control device continuously monitors target position and velocity, then adjusts laser pulse emission timing accordingly. This closed-loop control achieves precise pulse timing without requiring complex hardware modifications. The feedback from target tracking systems enables accurate timing control through software-based adjustment of pulse emission moments.
Solution Approach 2:
The control device acts as an intermediary between the laser pulse source and the targets. Rather than directly controlling each pulse with complex timing hardware, the control device processes target information and generates appropriate trigger signals for pulse emission. This intermediary approach simplifies the overall system architecture while maintaining precise timing control through intelligent signal generation.
3Loss of energy
If pulse intervals are extended to reduce energy storage, then energy efficiency is improved, but pulse energy consistency deteriorates
Solution Approach 1:
The system performs preliminary calculations of target position and velocity to predict optimal pulse emission times. By anticipating when targets will enter the interaction zone, the system can extend pulse intervals without compromising energy consistency, as each pulse is timed to coincide with target presence. This preliminary action enables energy-efficient operation while maintaining consistent pulse-energy-to-target delivery.
Solution Approach 2:
The pulse emission system dynamically adjusts intervals based on real-time target characteristics. When targets are present in the interaction zone, pulses are emitted with consistent energy. When no targets are present, the system extends intervals to reduce energy storage requirements. This dynamic adaptation maintains pulse energy consistency for actual interactions while improving overall energy efficiency through variable interval adjustment.
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
Ensures consistent pulse energy for interacting pulses while minimizing energy storage, reducing accidental interactions, and optimizing energy usage by managing pulse intervals and intermediate pulses.
Implementation Method 1
an optical amplifier with intermediate pulses to maintain consistent energy levels
Implementation Method 2
a laser pulse emitting device for emitting the working laser pulses
Data Source
AI summary
A laser system for providing working laser pulses for interaction with targets, which pass periodically one after another through a destination area, includes a laser pulse emitting device for emitting the working laser pulses. At least one working laser pulse of the working laser pulses is assigned to each respective target of the targets. The laser system further includes a control device for controlling the laser pulse emitting device. The control device is configured to set a respective emission time of each respective working laser pulse such that, as an ON working laser pulse, the respective working laser pulse strikes a respective target in the destination area in order to interact with the respective target, or as an OFF working laser pulse, temporally misses the respective target in the destination area in order not to interact with the respective target.