Folded Waveguide Oscillator with Auxiliary Tunnels for Terahertz Generation
Solution Overview
Problem
The development of terahertz oscillators and amplifiers is hindered by physical and engineering limitations, with existing approaches failing to efficiently generate terahertz waves due to insufficient technology and inefficient energy conversion mechanisms.
Innovation Solution
The design of an electromagnetic wave oscillator with auxiliary tunnels and a folded waveguide structure, which includes electron beam tunnels and coupled cavities, enhances energy interaction between electron beams and electromagnetic waves, improving resonant characteristics and output intensity in the terahertz frequency band.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If existing oscillators are used to generate terahertz waves, then the device structure is relatively simple, but the energy conversion efficiency is insufficient and output intensity is low
Solution Approach 1:
The interaction circuit is segmented into multiple functional regions including a drift tube with periodic structures, an electron beam injection region, and an output region. This segmentation allows optimized energy interaction zones that improve conversion efficiency while maintaining manageable device complexity
Solution Approach 2:
The patent introduces a three-dimensional periodic structure within the drift tube, adding spatial dimensionality to the electron beam interaction. This multi-dimensional approach increases the interaction path length and surface area for energy transfer, thereby improving power output and conversion efficiency without simply scaling up the device size
2Productivity
If the interaction circuit is simplified, then the device complexity is reduced, but the resonant bandwidth and output intensity are insufficient
Solution Approach 1:
The interaction circuit employs dynamic periodic structures within the drift tube that can be optimized for different operating conditions. These dynamic elements allow the circuit to adapt its resonant characteristics, broadening the effective bandwidth while maintaining a relatively compact and manageable structure
Solution Approach 2:
The patent utilizes adjustable parameters such as the periodic structure dimensions, electron beam energy, and magnetic field strength to optimize resonant bandwidth. By changing these parameters, the system achieves broader bandwidth operation without requiring a fundamentally more complex circuit architecture
3Loss of energy
If the electron beam interaction mechanism is enhanced, then the energy conversion efficiency improves, but the device structure becomes more complex
Solution Approach 1:
The patent combines the electron beam injection, acceleration, and interaction functions into a single integrated drift tube structure. This merging of functions reduces the number of separate components and interconnections, thereby limiting the increase in device complexity while still achieving enhanced energy conversion through optimized electron beam interaction
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
This configuration increases the resonant bandwidth, enhances the interaction between electron beams and electromagnetic waves, leading to improved output intensity and efficiency in generating terahertz waves, addressing the limitations of existing technologies.
Implementation Method 1
A mechanism for converting energy of the electron beam to electromagnetic wave energy by interaction between the electron beam and the electromagnetic wave is significant in the terahertz interaction circuit
Implementation Method 2
a folded waveguide having a periodic structure in which a propagation direction of the electromagnetic wave is folded
Data Source
Figure 1~2
Figure 3~4A
Figure 4B
AI summary
Electromagnetic wave oscillators each having a multi-tunnel and electromagnetic wave generating apparatuses including the electromagnetic wave oscillators are provided. The electromagnetic wave oscillator includes: a first waveguide (130) which has a folded structure such that a path traveled by an electromagnetic wave through the first waveguide crosses an axial direction a plurality of times; an electron beam tunnel (131) through which an electron beam passes, wherein the electron beam tunnel extends along the axial direction and crosses the first waveguide a plurality of times; and at least one auxiliary tunnel (139) which extends parallel to the electron beam tunnel and which crosses the first waveguide a plurality of times.