Optical Fiber Laser Coupling Shielding for Stray Light Control
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Solution Overview
Problem
Existing optical apparatuses face issues with stray light affecting performance and component damage due to unintended reflections and transmissions through optical components.
Innovation Solution
Incorporation of a shielding unit that blocks and reflects stray light away from the optical path, using materials with high thermal conductivity to manage heat and reduce interference, and sharing shielding units between subunits to minimize component count and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If shielding units are added to block stray light, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple shielding functions into a single integrated shielding unit. The shielding unit includes a first shielding portion for blocking stray light from the first optical component and a second shielding portion for blocking stray light from the second optical component, merging what would traditionally be separate shielding components into one unified structure that protects multiple optical elements.
Solution Approach 2:
The shielding unit serves multiple functions simultaneously: it blocks stray light from different optical components, reflects stray light away from the optical path, and manages thermal effects. The single shielding unit structure performs what would otherwise require multiple separate components, reducing overall device complexity while maintaining comprehensive protection.
2Ease of manufacture
If shielding units are shared between subunits, then manufacturing cost is reduced, but adaptability decreases
Solution Approach 1:
The shielding unit is divided into distinct shielding portions (first shielding portion and second shielding portion) that can be independently configured for different optical components. This segmentation allows the overall shielding unit to be customized for specific subunit requirements while still being manufactured as a single integrated component, balancing mass production benefits with application-specific adaptability.
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
Prevents stray light interference and damage to optical components, enhances performance, and reduces manufacturing complexity and costs by sharing shielding units, while effectively managing thermal issues.
Implementation Method 1
a shielding unit arranged on the base and configured to block stray light deviated from a predetermined optical path in a first optical component as the optical component and traveling to a second optical component as the optical component
Implementation Method 2
reflect the stray light in a direction deviating from the first optical component
Implementation Method 3
a plurality of optical components arranged on the base and configured to guide the laser light output from the light emitting element to an optical fiber
Data Source
AI summary
An optical apparatus includes: a base; a light emitting element arranged on the base and configured to output laser light; a plurality of optical components arranged on the base and configured to guide the laser light output from the light emitting element to an optical fiber, and couple the laser light with the optical fiber; and a shielding unit arranged on the base and configured to block stray light deviated from a predetermined optical path in a first optical component as the optical component and traveling to a second optical component as the optical component, and reflect the stray light in a direction deviating from the first optical component.