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The Kerr Microscope is an advanced instrument designed for high resolution magnetic microscopy, offering unparalleled performance in the study and analysis of magnetic materials and phenomena. Equipped with a comprehensive set of objectives including 5×, 20×, 50×, 100×, a high-temperature compensated 50×, and a non-magnetic objective, this microscope delivers exceptional versatility for various experimental requirements. Each objective is meticulously engineered to provide precise imaging capabilities, enabling researchers to observe minute magnetic structures with great clarity and detail.
One of the standout features of this Kerr Microscope is its impressive optical resolution of 450 nanometers (Nm). This high level of resolution ensures that even the smallest magnetic domains and subtle changes in magnetic properties can be visualized accurately. The microscope’s optical system is optimized to deliver sharp, high-contrast images, essential for detailed magnetic analysis and research.
The Kerr Microscope incorporates a robust vertical magnetic field system featuring a water-cooled magnet. This magnet is capable of generating a magnetic field strength of up to 2 Tesla (T) at an air gap of 8.5 millimeters (Mm), and 1.3 T at an air gap of 12 Mm. Such powerful magnetic fields allow for extensive experimentation under varying magnetic conditions, enabling the study of magnetic behaviors in different materials with high precision. The water-cooling system ensures stable operation of the magnet by efficiently dissipating heat, which is crucial for maintaining consistent magnetic fields during prolonged measurements.
Temperature stability is another critical aspect of this instrument, with the Kerr Microscope maintaining temperature fluctuations within ±50 millikelvin (MK). This exceptional thermal control is vital for high temperature magnetic measurement, as it prevents thermal drift that could otherwise compromise the accuracy and repeatability of experimental results. The inclusion of a high-temperature compensated 50× objective further enhances the capability of this microscope to operate reliably under elevated temperature conditions, making it ideal for studying temperature-dependent magnetic phenomena.
To provide precise control over the magnetic environment, the Kerr Microscope features a magnetic field resolution system based on PID closed-loop feedback regulation. This sophisticated control mechanism allows for a magnetic field resolution as fine as 0.05 millitesla (MT), ensuring that the magnetic field can be adjusted and stabilized with exceptional accuracy. Such fine control is essential for experiments requiring delicate manipulation of magnetic fields to investigate subtle effects or transitions in magnetic materials.
The integration of an air-floating stage magnetic instrument within the Kerr Microscope setup further enhances its functionality and usability. The air-floating stage provides smooth, vibration-free movement and positioning of samples, which is crucial for high resolution magnetic microscopy. This design minimizes mechanical disturbances that could degrade image quality or affect magnetic measurements, thereby improving the overall reliability and precision of the instrument.
In summary, the Kerr Microscope combines high resolution optics, powerful and stable magnetic field generation, precise temperature control, and advanced magnetic field regulation to deliver a state-of-the-art platform for magnetic research. Its robust features make it particularly suited for high temperature magnetic measurement applications and detailed investigations requiring high resolution magnetic microscopy. Whether used for fundamental research or applied material science, this instrument offers researchers a comprehensive and reliable solution to explore magnetic phenomena with unmatched clarity and precision.
| Magnetic Field Resolution | PID Closed-loop Feedback Regulation, Resolution 0.05 MT |
| In-Plane Magnetic Field | Water-cooled Magnet, 3 T @ Air Gap 5 mm; 2 T @ Air Gap 10 mm |
| Objectives | 5×, 20×, 50×, 100×, High-temperature Compensated 50×, Non-magnetic |
| Optical Resolution | 450 nm |
| Vertical Magnetic Field | Water-cooled Magnet, 2 T @ Air Gap 8.5 mm; 1.3 T @ Air Gap 12 mm |
| Variable Temperature Range | 298 K - 798 K |
| Temperature Stability | ±50 mK |
The Kerr Microscope, model KMPL-PM by Truth Instruments, is an advanced Permanent Magnet Kerr Microscope designed for high resolution magnetic microscopy applications. Originating from China, this precision instrument is ideal for research institutions, universities, and industrial laboratories focusing on magnetic material analysis and magneto-optical studies. Its capability to operate within a variable temperature range of 298 K to 798 K allows researchers to investigate magnetic properties under diverse thermal conditions, providing invaluable data for material science and engineering projects.
This Kerr Microscope model features a sophisticated water-cooled vertical magnetic field system, delivering up to 2 T at an 8.5 mm air gap and 1.3 T at a 12 mm air gap. Such a configuration is essential for experiments requiring controlled and stable magnetic environments. The PID closed-loop feedback regulation ensures a magnetic field resolution of 0.05 mT, enabling precise manipulation and observation of magnetic domains. This level of control is vital for cutting-edge research in spintronics, magnetic storage media, and magnetic sensor development.
Equipped with a versatile set of objectives—including 5×, 20×, 50×, 100×, and a high-temperature compensated 50× non-magnetic objective—the KMPL-PM offers exceptional imaging capabilities. This range of magnifications supports detailed surface analysis and domain imaging at various scales, making it suitable for both educational demonstrations and intricate scientific investigations. The high-temperature compensated objective ensures consistent optical performance even at elevated temperatures, enhancing the reliability of high resolution magnetic microscopy results.
Temperature stability is a critical factor in magnetic microscopy, and the Truth Instruments Kerr Microscope excels with a remarkable stability of ±50 mK. This precision ensures that thermal fluctuations do not compromise image quality or measurement accuracy during prolonged experiments. Consequently, the KMPL-PM is perfectly suited for applications such as magnetic phase transition studies, thin film characterization, and magnetic domain dynamics under combined thermal and magnetic stimuli.
In summary, the Truth Instruments KMPL-PM Permanent Magnet Kerr Microscope is a powerful tool for high resolution magnetic microscopy in various research and industrial scenarios. Its advanced features, including a wide temperature range, robust magnetic field control, and high-quality optics, make it indispensable for anyone aiming to explore magnetic phenomena at the microscale with exceptional clarity and precision.