Split Linac Waveguide Structure for Compact High-Frequency Acceleration
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Solution Overview
Problem
Conventional particle accelerators are bulky, costly, and require extensive tuning and assembly, limiting their applicability and efficiency, especially for high-frequency operations.
Innovation Solution
A split linac design comprising two milled halves of a particle accelerator, which are micro-machined to precise tolerances, allowing for reduced manufacturing costs and eliminating the need for extensive tuning, and enabling operation at higher frequencies for compact, portable X-ray sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional particle accelerator designs are used, then reliable particle acceleration is achieved, but the system becomes bulky and expensive with extensive tuning requirements
Solution Approach 1:
The waveguide is divided into multiple identical or similar cell portions arranged in sequence, where each cell portion contains cavities for particle acceleration. This segmentation allows standardized manufacturing of individual cells that can be assembled into a complete accelerator, reducing overall complexity while maintaining reliability through modular design
Solution Approach 2:
The invention operates at higher frequencies (e.g., S-band, C-band, X-band, or higher) compared to conventional accelerators, which enables compact dimensions while achieving the same acceleration performance. This parameter change from lower to higher operating frequency is the key to reducing size without sacrificing acceleration capability
2Productivity
If conventional particle accelerator designs are used, then adequate acceleration performance is achieved, but manufacturing costs and assembly time increase
Solution Approach 1:
The accelerator structure is segmented into multiple identical cell portions that can be manufactured separately using standardized processes. This allows for parallel manufacturing, reduced assembly complexity, and easier quality control, directly improving ease of manufacture while maintaining acceleration performance
Solution Approach 2:
Identical or similar cell portions are designed and manufactured with pre-determined geometries and parameters before final assembly. This preliminary design and manufacturing of standardized components simplifies the overall manufacturing process and reduces assembly time
3Volume of moving object
If compact accelerator designs are pursued, then portability is improved, but operational stability may be compromised
Solution Approach 1:
By operating at higher frequencies, the accelerator achieves compact dimensions while maintaining stable operation. The higher frequency allows for smaller cavity dimensions and shorter wavelengths, enabling portability without compromising the fundamental acceleration mechanism or operational stability
Solution Approach 2:
The segmented cell structure with standardized portions allows for precise manufacturing and assembly, which maintains operational stability in a compact form factor. Each cell portion can be independently optimized and tested before integration into the complete accelerator system
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 split linac design achieves compact, cost-effective particle acceleration, suitable for replacing radioisotope sources, with reduced size and manufacturing costs, and improved operational stability.
Implementation Method 1
A particle accelerator can include a first waveguide portion and a second waveguide portion... the first and second plurality of cell portions form a plurality of accelerating cells
Data Source
AI summary
A particle accelerator can include a first waveguide portion and a second waveguide portion. The first waveguide portion can include a first plurality of cell portions and a first iris portion that is disposed between two of the first plurality of cell portions. The first iris portion can include a first portion of an aperture such that the aperture is configured to be disposed about a beam axis. The first waveguide portion can further include a first bonding surface. The second waveguide portion can include a second plurality of cell portions and a second iris portion that is disposed between two of the second plurality of cell portions. The second iris portion can include a second portion of the aperture. The second waveguide portion can include a second bonding surface.