Movable Optical Transceiver Cover for Laser Blocking and Testing
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Solution Overview
Problem
Conventional safety measures for laser-based optical transceivers, such as personal protective equipment and laser keep-out zones, are inadequate in preventing eye injuries and protecting the transceiver from damage, and there is a need for improved methods to keep optical surfaces clean and safe during operation and storage.
Innovation Solution
An optical apparatus configured to move between block and transmission states, featuring a base portion and a movable portion with channels and blocking structures to control optical communication, including a transmission aperture and optical power sensor, and gaskets to prevent radiation leakage, allowing safe testing and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional safety measures (PPE and laser keep-out zones) are implemented, then laser safety is partially improved, but they are inadequate in preventing eye injuries and protecting the transceiver from damage
Solution Approach 1:
A movable cover assembly is introduced as an intermediary physical barrier between the laser transmitter and the surrounding environment. The cover includes a blocking structure that can be positioned to intercept laser radiation before it reaches users or damages optical surfaces, providing reliable protection that conventional PPE and zoning cannot ensure.
Solution Approach 2:
The cover assembly incorporates a movable portion that can dynamically transition between blocking and transmit states. This dynamic capability allows the system to adapt to different operational requirements - blocking radiation during unsafe conditions and allowing transmission during safe operation or testing, thereby providing both safety and functional versatility.
2Object-affected harmful factors
If the movable cover blocks transmission in the block state, then user safety and transceiver protection are improved, but optical communication between transmitter and receiver is prevented
Solution Approach 1:
The movable cover is designed to transition between blocking and transmit states, enabling the system to switch between safety mode and operational mode. In the transmit state, the movable portion repositions to allow optical communication while maintaining protection against atmospheric emission, thus resolving the contradiction between safety and functionality.
Solution Approach 2:
The cover structure incorporates selective transparency - the blocking structure blocks radiation in certain areas while the transmission aperture allows radiation passage in specific directions. This local differentiation enables simultaneous achievement of radiation blocking and optical communication through different portions of the same component.
3Productivity
If the transmission aperture allows partial transmission, then optical communication is maintained, but radiation attenuation must be controlled to protect the receiver
Solution Approach 1:
The movable portion's position relative to the base portion is varied to change the degree of transmission. By adjusting this geometric parameter, the system controls the amount of radiation passing through the transmission aperture, enabling attenuation to appropriate levels that protect the receiver while maintaining necessary optical communication for testing.
4Reliability
If gaskets are added to prevent radiation leakage, then protection reliability is improved, but device complexity increases
Solution Approach 1:
Gaskets are used as flexible sealing elements between the movable and base portions. These thin film structures provide effective radiation leakage prevention while adding minimal structural complexity compared to rigid sealing mechanisms. The gaskets conform to the mating surfaces, ensuring reliable sealing with simple implementation.
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 apparatus provides safe operation and testing by blocking or allowing controlled optical transmission, protecting users and transceivers from radiation, while also ensuring optical surfaces are clean and protected from contaminants.
Implementation Method 1
the apparatus is configured to block transmission from a transmitter of the optical transceiver to a receiver of the optical transceiver... allow at least partial transmission from the transmitter of the optical transceiver to a receiver
Implementation Method 2
The transmission aperture can be configured to attenuate radiation from the transmitter to reduce incident radiation power on the receiver when in the one or more transmission states
Implementation Method 3
a first gasket between the movable portion and the base portion to prevent radiation leakage
Data Source
AI summary
An optical apparatus can be configured to cover an optical transceiver. At least a portion of the apparatus can be configured to move relative to the transceiver between a block state wherein the apparatus is configured to block transmission from a transmitter of the optical transceiver to a receiver of the optical transceiver as well as block emission from the transmitter to the atmosphere, and one or more transmit states wherein the apparatus is configured to allow at least partial transmission from the transmitter of the optical transceiver to a receiver of the optical transceiver while blocking emission from the transmitter to the atmosphere.