LC Oscillator for Transient Magnetization Detection
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Solution Overview
Problem
Existing ESR and NMR spectrometers face challenges in detecting transient magnetization due to the need to protect low-noise preamplifiers from high electrical outputs during transient magnetic fields, limiting time-resolved detection capabilities.
Innovation Solution
A device utilizing an LC oscillator as both a transmission and receiving device generates and detects transient magnetic fields, allowing for time-resolved detection of magnetization without the need for resonator-based protection, using a controller to manage the LC oscillator and modulators for processing output voltages to determine spectral components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If resonator-based protection is used to protect low-noise preamplifiers from high electrical outputs during transient magnetic fields, then the preamplifier is protected, but time-resolved detection capability is limited
Solution Approach 1:
The patent combines the transmission device and receiving device into a single LC oscillator unit. This integration eliminates the need for separate resonator-based protection mechanisms, allowing the system to detect transient magnetization directly during excitation without time loss while still protecting the preamplifier through the inherent properties of the LC oscillator design
Solution Approach 2:
The LC oscillator serves multiple functions simultaneously: it generates the transient magnetic field for excitation and detects the transient magnetization signal. This multi-functionality removes the need for dedicated protection circuitry that would otherwise be required in separate transmission and reception systems, enabling continuous operation without time delays
2Adaptability or versatility
If separate transmission and receiving devices are used, then functionality is comprehensive, but device complexity increases
Solution Approach 1:
The patent merges the transmission device and receiving device into a single LC oscillator unit with a controller. This consolidation maintains the comprehensive functionality of both transmission and reception while significantly reducing system complexity by eliminating the need for separate resonators, coupling mechanisms, and protection circuitry
Solution Approach 2:
The LC oscillator is designed to perform both transmission and reception functions universally. By using the same hardware component for both generating transient magnetic fields and detecting transient magnetization, the system achieves comprehensive functionality without requiring multiple specialized devices
3Measurement precision
If traditional resonator-based detection is used, then detection capability is established, but energy consumption increases and miniaturization is limited
Solution Approach 1:
The integration of transmission and reception in a single LC oscillator eliminates energy losses associated with signal coupling between separate components. The system consumes less energy while maintaining detection precision because the same oscillator that generates the excitation field directly detects the response, removing intermediate energy-intensive stages
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
Enables efficient, energy-saving, and miniaturized detection of transient magnetization during excitation, improving time resolution and sensitivity by eliminating the need for resonator-based protection and allowing for direct measurement during transient field application.
Implementation Method 1
An LC oscillator, whose oscillation frequency depends on a value of an inductive element of the LC oscillator, forms both the transmission device and the receiving device... A transient magnetic field can be generated by the LC oscillator and the controller that is capable of deflecting a magnetization of a sample out of equilibrium
Implementation Method 2
An LC oscillator forms both the transmission device and the receiving device. An oscillation frequency of the LC oscillator depends on a value of an inductive element of the LC oscillator... The transient magnetization of the sample is detected as transient inductance and transient resistance of a coil of the LC oscillator
Data Source
AI summary
A device for generating and detecting a transient magnetization of a includes a static magnetic field generator configured to generate a static magnetic field of predetermined direction and strength at a sample location, a transmission device for providing a transient magnetic field at the sample location; and a receiving device for detecting a transient magnetization of the sample at the sample location. An LC oscillator forms both the transmission device and the receiving device. An oscillation frequency of the LC oscillator depends on a value of an inductive element of the LC oscillator. A controller configured to control the LC oscillator is connected, and a transient magnetic field can be generated by the LC oscillator and the controller that is capable of deflecting a magnetization of a sample out of equilibrium.