Sealed Laser Beam Distribution Apparatus
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Solution Overview
Problem
Existing laser beam distribution systems face challenges with contamination and energy loss due to heat transfer and dust accumulation from components within the beam cavity, requiring a compact, modular, and sealed apparatus that protects optics and allows precise alignment of reflective components.
Innovation Solution
A compact, sealed apparatus with a rigid housing containing only optics and mirrors within the beam path, with the rest of the assembly external for 360° rotational adjustment, keeping contaminants out and ensuring precise alignment for low-loss energy distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If all components (motors, wires, pipes) are contained within the beam cavity for compact distribution, then device complexity is reduced, but heat generated by these components off-gases and contaminates the optical elements, causing energy loss
Solution Approach 1:
The device is divided into two separate sealed cavities: a beam cavity containing only optical elements and a motor cavity containing motors, wires, and pipes. This segmentation prevents heat and off-gassing from contaminating the optics while maintaining a compact overall structure.
Solution Approach 2:
Motors and other heat-generating components are extracted from the beam cavity and placed in a separate motor cavity. This extraction eliminates the source of contamination (heat and off-gassing) from proximity to the optical elements, preventing film formation and energy loss.
2Ease of operation
If motors are operated for mirror positioning, then beam distribution is achieved, but dust is emitted that settles on optical elements causing energy loss
Solution Approach 1:
Motors are extracted from the beam cavity and housed in a separate sealed motor cavity. This prevents dust generated during motor operation from settling on optical elements, eliminating the harmful effect while preserving the mirror positioning functionality.
Solution Approach 2:
A sealed cavity wall acts as an intermediary barrier between the motor cavity and beam cavity. This barrier prevents dust and contaminants from the motor cavity from reaching the optical elements in the beam cavity, allowing motors to operate without contaminating the optics.
3Ease of repair
If the cover is removed for component servicing, then access to components is enabled, but the entire device must be shut down and contamination risk increases
Solution Approach 1:
The device is segmented into separate sealed cavities (beam cavity and motor cavity) that can be independently accessed and serviced. This allows maintenance of one cavity without shutting down the entire device or exposing the other cavity to contamination.
Solution Approach 2:
The sealed cavity structure acts as an intermediary that isolates different functional areas. This allows selective access to the motor cavity for servicing without compromising the sealed environment of the beam cavity, enabling continuous operation and reducing contamination risk.
4Stability of the object's composition
If a large metal platform is used to mount all components, then stable alignment is achieved, but device size and weight increase significantly
Solution Approach 1:
The heavy metal platform is extracted and replaced with a compact rigid housing that provides structural support. Only essential optical components are retained within the sealed beam cavity, eliminating the need for a large mounting platform and significantly reducing weight while maintaining alignment stability through precision manufacturing of the housing.
Solution Approach 2:
The housing is designed as a compact rigid structure that provides the necessary mechanical stability and alignment precision without requiring a large metal platform. This composite structural approach achieves stability with reduced weight and size.
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 solution provides reliable, low-loss laser beam distribution while preventing contamination of optics and allowing for precise alignment, enhancing the stability and efficiency of high-power laser applications.
Implementation Method 1
laser energy from a single source is directed in a manner that selectively distributes the laser energy
Implementation Method 2
switching mirrors used to distribute the laser energy
Data Source
AI summary
An assembly for distributing laser energy is provided that is formed using a compact rigid housing with a sealed beam path contained therein. The assembly employs a monolithic housing with modular collimator and mirror switching components installed therein to reduce its size while maintaining a sealed beam path thereby reducing the possibility of contamination of the beam path. Other than the optics and mirror, there are no elements of the distribution device contained within the beam path. In one embodiment, the assembly distributes incoming energy from a single source to one or more outputs. In another embodiment, the assembly operates as a beam combiner to direct energy from one or more sources to a single output.