Microscope Ambient Light Restrictor for Fluorescence Imaging
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Solution Overview
Problem
Existing microscopes, particularly fluorescence microscopes, face challenges in ambient light interference, which reduces the signal-to-noise ratio and image quality, especially in non-darkened environments such as student laboratories and industrial facilities, where users often resort to makeshift light blocking methods or turn off room lights, inconveniencing others.
Innovation Solution
A deployable and adaptable 'dark tent' device that surrounds the microscope to block ambient light, featuring a flexible framework, ocular access ports, and additional features like access slots, a camera adapter, and a flexible hood to minimize light entry and enhance image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If ambient light blocking methods are used (such as makeshift light blocking or turning off room lights), then image quality and signal-to-noise ratio improve, but convenience and user comfort deteriorate
Solution Approach 1:
The light blocking function is segmented from the room environment and concentrated into a portable enclosure that surrounds only the microscope. This allows light blocking to be applied locally where needed rather than requiring complete room darkening, thus improving image quality without sacrificing overall convenience.
Solution Approach 2:
The patent introduces an intermediary structure (the light-blocking enclosure with viewing ports) that mediates between the ambient light environment and the microscope. This intermediary selectively blocks harmful ambient light while allowing controlled viewing access, resolving the contradiction between light blocking effectiveness and user convenience.
2Measurement precision
If dedicated fluorescence microscopy rooms with controlled lighting are used, then image quality improves, but device complexity and infrastructure requirements increase
Solution Approach 1:
The patent extracts the light-blocking function from the complex infrastructure of dedicated fluorescence rooms and concentrates it into a portable, self-contained enclosure. This removes the need for specialized room construction, electrical modifications, and infrastructure planning while maintaining image quality.
Solution Approach 2:
The light-blocking enclosure is designed as a universal device that can be deployed with any standard microscope in any environment. It performs multiple functions (light blocking, structural support, viewing access) in a single integrated system, eliminating the need for specialized infrastructure.
3Ease of operation
If a portable light-blocking enclosure is used, then ease of deployment improves, but light blocking effectiveness may deteriorate
Solution Approach 1:
The patent employs flexible light-blocking material that can conform to various microscope configurations and be easily deployed or stored. This flexible shell provides effective light blocking while maintaining portability and ease of setup, resolving the contradiction between deployability and blocking effectiveness.
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 'dark tent' effectively restricts ambient light, improving the signal-to-noise ratio and image contrast, allowing for high-quality fluorescence imaging in various environments without the need for darkened rooms, as demonstrated by improved image clarity in photographs.
Implementation Method 1
a material configured to restrict ambient light from reducing a signal-to-noise ratio of an image of an object observable via a microscope
Data Source
AI summary
Ambient light can cause a user to experience a loss of contrast of an object or subject under observation by the user via a microscope, particularly when the user is observing the object or subject using fluorescence microscopy. An embodiment of the present invention is an ambient light restrictor for a microscope. The ambient light restrictor defines a port to provide a user with access to oculars of the microscope. The restrictor may be freestanding and provide additional port(s) to enable physical access to the microscope or viewing region. Through use of the restrictor, ambient lights need not be turned off, in cases of indoor use, such as when dozens of microscopes are being used by many scientists in a laboratory, and, in cases of outdoor use, microscopes can be used with little to no loss of contrast of objects or subjects under observation.