Vacuum Optical Cavity Pulse Laser With Intracavity Beam Redirection
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Solution Overview
Problem
Current high-power laser systems are cumbersome, large, and difficult to configure, limiting their efficiency and practicality for various applications, including material processing, energy generation, and defense.
Innovation Solution
A high intensity pulse laser generation system with an optical cavity maintained in a vacuum, featuring an optical path modification device that changes the spatial direction of the laser beam using magneto-strictive materials and mirror devices, progressively increasing the laser beam's intensity through controlled mirror positioning and timing adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional high-power laser systems are used to achieve high intensity output, then the laser intensity is improved, but the system becomes cumbersome, large, and difficult to configure
Solution Approach 1:
The optical cavity is divided into multiple segments including a gain medium section, output coupler, and intracavity optical path modification device. Each segment performs a specific function, allowing the system to achieve high intensity while maintaining manageable complexity through modular design
Solution Approach 2:
The system employs periodic modulation of the optical path using the optical path modification device to create pulsed high-intensity laser output. This periodic action allows energy accumulation during low-power phases and releases it as high-intensity pulses, achieving high intensity without requiring continuously complex high-power components
2Illumination intensity
If conventional high-power laser systems are used to achieve high intensity output, then the laser intensity is improved, but the system size becomes large
Solution Approach 1:
The optical path modification device is positioned within the optical cavity, nesting multiple functional components in a compact arrangement. The intracavity modification device utilizes the existing cavity space, allowing high-intensity laser generation without proportionally increasing system volume
Solution Approach 2:
The system changes the temporal parameters of laser operation by using periodic optical path modification to generate pulsed output. This allows the same physical components to produce high peak intensities through temporal concentration of energy rather than requiring continuously high power, reducing the volume needed for power supply and cooling systems
3Illumination intensity
If conventional high-power laser systems are used to achieve high intensity output, then the laser intensity is improved, but the system becomes difficult to configure
Solution Approach 1:
The optical path modification device serves multiple functions within the laser system: it modulates the optical path to create pulses, controls the timing of energy release, and maintains beam quality. This multi-functionality reduces the number of separate components needed, simplifying system configuration and operation while achieving high intensity output
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 system achieves a compact, efficient, and cost-effective high intensity pulse laser generation, capable of producing multiple times the intensity of the input laser beam, suitable for diverse applications such as material processing, energy generation, and defense.
Implementation Method 1
The spatial driver device is configured to adjust the spatial position of the mirror device by changing a thickness of a volume structure including the magneto-strictive material of the spatial driver device by an expansion or contraction process
Implementation Method 2
The optical cavity is configured to increase an intensity of a laser beam comprising a pulse from a first energy power intensity to a second higher energy power intensity propagating on a first optical path configured within the optical cavity by circulating or reciprocating at least a portion of the laser beam
Data Source
AI summary
In an example, the present invention provides a high intensity pulse laser generation system. The system has a variety of elements. The system has an optical cavity maintained in a vacuum, e.g., 300 Torr and less. In an example, the optical cavity is configured to increase an intensity of a laser beam comprising a pulse from a first energy power intensity to a second higher energy power intensity propagating on a first optical path configured within the optical cavity by circulating or reciprocating at least a portion of the laser beam.