Trichel Pulse Generator Pin-Array Electrode Flashover Control

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Solution Overview

Problem

Existing electrical discharge pulsed laser systems, such as TEA lasers, face inefficiencies due to voltage flashover issues and random directional emission, leading to limited coherent energy addition in laser pulses, and current methods fail to effectively utilize Trichel pulses for laser generation.

Innovation Solution

A Trichel Pulse Generator (TPG) that produces self-repeating trains of electron pulses with a high voltage differential between electrodes, creating an energy gradient to stimulate gases and produce coherent photonic emissions with minimal power, allowing for efficient color separation and mixing without solid phosphors, and using spherical resonators for enhanced stimulation density.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If fast high voltage potential is applied to stimulate volumetric glow discharge in TEA lasers, then laser power amplification is improved, but voltage flashover from electrodes occurs limiting volumetric stimulation

Engineering Contradiction:

Improvelaser power amplificationVSAvoidvoltage flashover stability

Core Design Contradiction:

PowerVSReliability

Solution Approach 1:

The patent segments the electrode structure into multiple pin-shaped electrodes arranged in a bar configuration, distributing the high voltage stimulation across multiple discrete points rather than a single continuous electrode. This segmentation prevents voltage flashover by isolating high electric field regions while maintaining volumetric glow discharge stimulation throughout the laser medium.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent applies different properties to different parts of the electrode system by using pin-shaped electrodes with specific spacing and arrangement patterns. Each pin electrode creates a localized high-field region optimized for glow discharge initiation, while the overall distribution pattern ensures uniform volumetric stimulation without flashover, achieving local optimization of both power and reliability.

Inventive Principle:

Principle #3Local quality

2Power

If externally switched voltage pulses are used to stimulate linear resonance chambers, then coherent energy addition is improved, but random directional emission reduces stimulation efficiency

Engineering Contradiction:

Improvecoherent energy additionVSAvoidrandom directional emission loss

Core Design Contradiction:

PowerVSLoss of energy

Solution Approach 1:

The patent employs resonant oscillation of the glow discharge at specific frequencies matching the laser cavity modes. By tuning the discharge frequency to resonate with the optical resonance chamber, the system converts random directional emission into coherent, phase-synchronized light amplification, significantly reducing energy loss and improving coherent energy addition.

Inventive Principle:

Principle #18Mechanical vibration

Solution Approach 2:

The patent uses periodically pulsed voltage excitation synchronized with the resonant frequency of the laser cavity. This periodic action builds up coherent energy through constructive interference over multiple cycles, transforming random emission into directed laser output while minimizing energy waste from non-coherent radiation.

Inventive Principle:

Principle #19Periodic action

3Reliability

If Pin-Bar electrodes with external resistors are used to divide current flow, then voltage flashover is reduced, but pulse width is limited to hundreds of nanoseconds

Engineering Contradiction:

Improvevoltage flashover preventionVSAvoidpulse width

Core Design Contradiction:

ReliabilityVSDuration of action of moving object

Solution Approach 1:

The patent implements dynamic current distribution through the pin electrode array where external resistors are selectively applied to certain pins rather than uniformly to all. This dynamic configuration allows optimal current division for flashover prevention while maintaining sufficient current density in key regions to sustain longer pulse durations, breaking the fixed trade-off between reliability and pulse width.

Inventive Principle:

Principle #15Dynamics

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 TPG achieves efficient, coherent light production with high quantum efficiency and fast pulsed current flows, enabling directed energetic manipulation and improved power output with reduced energy consumption, overcoming the limitations of traditional TEA lasers.

Implementation Method 1

Methodology Applied

Scientific EffectElectron acceleration and gas stimulation: Electron Beam

Implementation Method 2

using spherical resonators for enhanced stimulation density

Methodology Applied

Scientific EffectResonance: Resonance

Data Source

PatentUS9653874B1Trichel pulse energy devices

Publication Date: 2017.05.16 ASPREY WILLIAM J

AI summary

Coherent Trichel Pulse transient energy emissions by directing energetic triggers for driving to unstable a Trichel Pulse generator (TPG) charged electrode or gap to elicit a phased or delayed emitted photon energy Trichel Pulse and electronic driven current pulse nearly contemporaneously due to electronic flow eruptive cascade into the discharge gap. Triggered random laser spherical emission or directed energy provided by concentric spherical or linear resonator mirrors optically pumping the spherical center TPG glow region of maximum energy densities at the spherical center provided with take off linear transmission of the resonator stimulated emissions providing linear propagation and targeting.