Laser Chamber Peaking Condenser Cooling and Insulation
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Solution Overview
Problem
Current gas laser apparatuses face issues with discharge efficiency due to high temperature conditions, abnormal discharge generation, and reduced laser gas flow velocity, which affect the performance and stability of peaking condensers, especially at increased repetition frequencies.
Innovation Solution
The design incorporates a laser chamber with a refrigerant flow path for cooling peaking condensers, an electrical insulating member to prevent abnormal discharges, and a rectifying member to ensure sufficient laser gas flow, reducing inductance and improving discharge efficiency while stabilizing the discharge process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If peaking condensers are used in gas laser apparatus, then pulse energy output is improved, but abnormal discharge occurs and discharge efficiency decreases
Solution Approach 1:
An electrical insulating member is introduced as an intermediary between the peaking condensers and the laser gas environment. This insulating member prevents direct electrical contact and abnormal discharge while allowing the peaking condensers to function properly in storing and releasing electrical energy for pulse output enhancement
Solution Approach 2:
The peaking condensers are extracted from direct contact with the laser gas and placed in a separate insulated space. This separation removes the source of abnormal discharge (electrical contact with conductive laser gas) while preserving the functional benefits of pulse energy enhancement
2Productivity
If repetition frequency is increased, then productivity is improved, but discharge efficiency decreases and abnormal arcs occur
Solution Approach 1:
The electrical insulating member acts as a mediator that enables high repetition frequency operation by preventing energy loss through abnormal discharge. By isolating the peaking condensers from the conductive laser gas, the system can rapidly recharge and discharge multiple times without energy-wasting arcs
Solution Approach 2:
The system changes the electrical parameter configuration by introducing insulation, which fundamentally alters the discharge characteristics. This allows the laser to operate at higher repetition frequencies with improved discharge efficiency by preventing parasitic energy loss
3Loss of energy
If fan is added to improve laser gas flow, then discharge efficiency is improved, but device complexity increases
Solution Approach 1:
The electrical insulating member serves multiple functions simultaneously: it provides electrical insulation to prevent abnormal discharge, structures the space for peaking condensers, and guides laser gas flow. This multi-functionality improves discharge efficiency without adding dedicated flow control components like fans
Solution Approach 2:
The laser chamber structure is designed to perform multiple roles: containing the laser gas, providing electrical insulation, and directing gas flow between discharge electrodes. This integrated design achieves improved discharge efficiency through natural convection and pressure gradients without requiring additional active flow control devices
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 enhances discharge efficiency, prevents abnormal arcs, and stabilizes the pulse energy output by effectively cooling peaking condensers and maintaining sufficient laser gas flow, even at high repetition frequencies.
Implementation Method 1
a laser chamber with a refrigerant flow path for cooling peaking condensers
Implementation Method 2
a fan disposed in the first space and configured to flow laser gas between the first discharge electrode and the second discharge electrode
Implementation Method 3
an electrical insulating member configured to partition the first space and the second space from one another
Data Source
AI summary
A laser chamber including a first space and a second space in communication with the first space may include: a first discharge electrode disposed in the first space; a second discharge electrode disposed in the first space to face the first discharge electrode; a fan disposed in the first space and configured to flow laser gas between the first discharge electrode and the second discharge electrode; a peaking condenser disposed in the second space; and an electrical insulating member configured to partition the first space and the second space from one another, and disposed to allow the laser gas to pass through between the first space and the second space.