1. Product Overview
The Multifunctional Magneto-Optical Kerr Imaging System is built on a self-designed optical path structure and integrates high-quality optoelectronic components from Olympus and Soleibo. It is designed for magnetic domain imaging and dynamic research on magnetic materials and spintronic devices.
Multifunctional Probe Station
Principle diagram
2. Key Features
- Integrated multifunctional probe station with vertical magnetic field (max 1.8T), in-plane magnetic field (1.4T), and DC/HF probes.
- Wide temperature control range: 4K–873K, enabling imaging of hard magnetic materials.
- Combination of magneto-optical imaging and spin transport testing.
- Synchronous multi-signal control (magnetic field, current, microwave, etc.) at μs level.
- High-precision laser displacement sensor with 1 µm resolution.
- Real-time image subtraction for background noise elimination.
- Automatic vibration drift correction.
- Local (220 nm) or global hysteresis loop scanning based on Kerr image analysis.

Magnetic Domain Imaging Effects in Perpendicularly Anisotropic Magnetic Films (1 nm Thick)

Magnetic domains on the surface of permanent magnet (NdFeB) bulk

Nanofilm material

Magnetic domains on the surface of silicon steel block
3. Technical Specifications
| Parameter | Specification |
|---|
| Vertical Magnetic Field | Max 1.8 T |
| In-plane Magnetic Field | 1.4 T |
| Temperature Range | 4K – 873K |
| Spatial Resolution | Up to 220 nm (100× oil immersion objective) |
| Max Field of View | 1.2 mm × 1 mm (5× objective lens) |
| Imaging Capability | Detects magnetic change in thin films down to 2 atomic layers |

CoFeB(1.3nm)/W(0.2)/CoFeB(0.5) Labyrinth domains in thin films
4. Testable Samples & Applications
- Natural magnetic materials
- Magnetic semiconductors
- Particulate alloys
- Multilayer magnetic films
- Spintronic devices
Applications include:
- Magnetic material quality detection (defects, damage, structural integrity)
- Spintronic device testing under dynamic conditions
- Domain wall dynamics and spin transport studies

Detect the quality of magnetic materials

Detect defect location

Damage detection of spintronic devices

Analyzing the hysteresis loop results
5. System Configuration
- Multifunctional probe station with in-plane and vertical magnetic fields
- DC/HF probing system
- Variable temperature unit (4K–873K)
- Optical Kerr imaging microscope
- Multifunctional control system for signals and image synchronization
6. Optional Accessories
- Vector coil option for anisotropic magnetic material analysis
- Keithley 6221 & 2182A source meter for Hall effect, I–V, and MR testing
- Microwave source, probes, and lock-in amplifier for ST-FMR and second harmonic tests
7. Software Functions
- Real-time image subtraction and drift correction
- Automatic scale bar addition
- Signal synchronization with imaging acquisition
- Data export compatible with Excel, Origin, and general scientific software

8. Ordering Information
Model: Multifunctional Magneto-Optical Kerr Imaging System
Standard Components: Probe station, Kerr microscope, control system, software suite
Optional Accessories: Vector coil, microwave source, lock-in amplifier
9. Why Choose Cryomagtech
- Advanced magneto-optical imaging technology with high resolution down to 220 nm
- Integrated solution for both imaging and spin transport measurements
- Flexible options for vector, temperature, and microwave testing
- Trusted supplier for research institutes and industrial labs
10. Contact & Inquiry
For technical details, customization, or pricing, please contact:
Cryomagtech
🌐 www.cryomagtech.com
📧 edaystore@outlook.com