Device and method for measuring magnetoconstriction coefficient by using Doppler polarizer through sinusoidal modulation multi-beam laser heterodyne method
A technology of magnetostriction coefficient and Doppler vibrating mirror, applied in the field of micro-displacement detection, can solve the problem that the measurement accuracy cannot meet the requirements of ultra-precision measurement
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
specific Embodiment approach 1
[0063] Specific implementation mode one: the following combination figure 1 Describe this embodiment, the device for measuring the magnetostriction coefficient by the Doppler galvanometer sinusoidal modulation multi-beam laser heterodyne in this embodiment, the device is composed of the first fixed rod 1-1, the second fixed rod 1-2, the excitation Coil 2, iron-nickel alloy sample to be tested 3, DC stabilized power supply 4, flat mirror 5, thin glass plate regardless of thickness 6, polarizing beam splitter PBS7, H 0 Composed of a solid-state laser 8, a quarter-wave plate 9, a vibrating mirror 10, a converging lens 11, a photodetector 12 and a signal processing system 13,
[0064] The DC stabilized power supply 4 is used to provide working power for the excitation coil 2, the iron-nickel alloy sample 3 to be tested is placed in the center of the excitation coil 2, and one end of the iron-nickel alloy sample 3 to be tested is fixedly connected to one end of the first fixed rod ...
specific Embodiment approach 2
[0070] Embodiment 2: This embodiment is a further description of Embodiment 1, and the distance d is 20 mm.
specific Embodiment approach 3
[0071] Specific Embodiment 3: This embodiment is a further description of Embodiment 1 or 2. Both end surfaces of the first fixing rod 1-1 and the second fixing rod 1-2 are bonded with non-magnetic materials.
PUM
Property | Measurement | Unit |
---|---|---|
Thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com