Optical Component Working Area Switching for Lifetime Extension
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Solution Overview
Problem
Optical systems, such as lasers, face limited lifetimes due to components like saturable absorbers and non-linear crystals, which deteriorate under high optical intensity, leading to costly and inconvenient component exchanges.
Innovation Solution
The optical system allows for the movement of the beam to different working areas on the optical component, such as a saturable absorber or non-linear crystal, without significantly affecting the system's performance, thereby extending the system's lifetime and reducing maintenance costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the optical component is exposed to high optical intensity to maintain system performance, then the figure of merit Q is maintained, but the component deteriorates faster and lifetime is reduced
Solution Approach 1:
The optical component is divided into multiple working areas (first working area, second working area, etc.), each capable of independently handling the optical beam. This segmentation allows the system to switch between different areas, distributing the wear and degradation across multiple zones rather than concentrating it in a single area, thereby extending the overall component lifetime while maintaining performance.
2Duration of action of stationary object
If the working area position is changed by moving the optical component, then the lifetime is extended, but the alignment precision and figure of merit Q may be affected
Solution Approach 1:
Each working area on the optical component is designed with locally optimized properties to ensure that when the beam is directed to any working area, the figure of merit Q is maintained. The working areas are positioned and configured to provide consistent optical performance, ensuring that local variations do not compromise overall system precision or alignment requirements.
3Duration of action of stationary object
If the optical component is moved to change working areas, then the system lifetime is extended, but the system complexity increases
Solution Approach 1:
The optical component is designed with movable mounting arrangements that enable dynamic switching between different working areas. This dynamic capability allows the system to adapt and extend component lifetime by rotating or translating the component to bring different working areas into the beam path, rather than requiring complete component replacement.
Data Source
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AI summary
The invention relates to an optical system arranged to provide an output which, in operation, comprises at least one figure of merit, Q. The system comprises an optical component having multiple working areas, said component being mounted on a support member. The system further comprises an optical beam path arranged to bring light into interaction with at least one working area of the optical component wherein the position of said working area(s) may be selected by relative movement between said path and said component while keeping Q substantially unaffected by said movement.