System for providing a magnetic field for a sample
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
High-precision optical experiments, such as Super Resolution Optical Microscopy and quantum optics, face limitations due to environmental influences like vibrations, thermal effects, and electromagnetic noise, which affect measurement accuracy. Additionally, the need for a controlled magnetic field in magneto-optical experiments complicates sample access and measurement flexibility.
Innovation Solution
A system is developed that provides a magnetic field for a sample using multiple contact surfaces in thermal contact with magnetic elements. This system achieves thermal decoupling between the magnetic elements and the sample, allowing for independent regulation of their temperatures. The magnetic elements can be actively or passively generated and include electromagnetic coils or permanent magnets, with the option to combine different magnetic fields to intensify the overall magnetic field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If magnetic elements are thermally coupled to the sample, then the magnetic field can be applied to the sample, but thermal interference affects measurement accuracy
Solution Approach 1:
The system divides the thermal management into separate stages: a first contact surface for the sample and a second contact surface for magnetic elements. This segmentation allows independent temperature control of the sample and magnetic field generation components, preventing thermal interference while maintaining measurement accuracy.
Solution Approach 2:
A thermal intermediary structure (including the first and second contact surfaces, and optionally a third contact surface) is introduced between the magnetic elements and the sample. This intermediary enables thermal decoupling, allowing the magnetic field to be applied to the sample without direct thermal contact, thus eliminating thermal interference.
2Force
If multiple magnetic elements are used to generate magnetic field, then the magnetic field intensity can be increased, but the device complexity increases
Solution Approach 1:
Multiple magnetic elements are combined on separate contact surfaces (second and third contact surfaces) to generate additive magnetic fields. The system merges the functionality of multiple magnetic field sources while maintaining independent thermal management, achieving high magnetic field intensity without proportionally increasing operational complexity.
Solution Approach 2:
The contact surface structure serves multiple functions: it provides thermal pathways for magnetic elements, mechanical support for multiple magnetic components, and a platform for flexible arrangement of different magnetic element types. This multi-functionality reduces overall system complexity despite using multiple magnetic elements.
3Object-affected harmful factors
If magnetic elements are cooled to low temperatures, then thermal interference is reduced, but the ease of operation for temperature regulation is reduced
Solution Approach 1:
The system provides dynamic temperature regulation capability through separate thermal pathways. The first contact surface (sample) and second/third contact surfaces (magnetic elements) can be independently controlled to different temperatures, allowing flexible adaptation to various experimental conditions while maintaining low thermal interference.
Solution Approach 2:
The system enables independent parameter control of temperature for different components. By changing temperature parameters separately for the sample (first contact surface) and magnetic elements (second and third contact surfaces), the system optimizes both thermal interference reduction and operational flexibility for different experimental requirements.
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 system enables high-resolution, flexible magneto-optical experiments by maintaining a stable magnetic field despite temperature fluctuations. It allows for a wide range of experimental conditions, from cryogenic to variable temperatures, while minimizing thermal interference and enhancing measurement accuracy.
Implementation Method 1
a first contact surface (1), which is in thermal contact with the sample (8), and a second contact surface (2), which is in thermal contact with at least one magnetic element (4, 5, 6)
Implementation Method 2
The magnetic element (4, 5, 6) is formed to generate a magnetic field actively or passively
Implementation Method 3
the magnetic element can be a permanent magnetic (ferromagnetic) material
Data Source
AI summary
A system for providing a magnetic field for a sample includes a first contact surface for thermally contacting the sample and a second contact surface, which is in thermal contact with at least one magnetic element.