Optical Cryostat
The low-temperature optoelectronic characterization system comprises the OptiCool cryostat by Quantum Designs, which maintains a base temperature of 1.9 K. It is equipped with an external magnet capable of generating magnetic fields up to 7 T. This equipment enables the simultaneous investigation of the optical and electrical properties of materials and devices, facilitated by top/side light-transparent windows and electrical feed-throughs.
Optical Cataloger
This system enables automated imaging of 1x1 cm2 chips, providing high-contrast chip imaging for accurate analysis. It utilizes machine learning techniques to identify and locate flake thickness. Additionally, it offers Raman characterization and allows for metadata recording, enhancing data organization and analysis capabilities.
Physical Property Measurement System (PPMS)
PPMS is a variable temperature-field system. The temperature of the system can be controlled ranging from 400K -1.9K. This system has a magnetic field of 9T (out of plane). The system is designed to perform a variety of automated measurements.
SQUID Magnetometer (MPMS)
MPMS provides users with the sensitivity of a SQUID (Superconducting QUantum Interference Device) magnetometer and the choice of multiple measurement modes. MPMS incorporates major advances in data acquisition, temperature control and magnetic field control with ≤10-8 emu sensitivity.
Ultrafast Laser & Spectrometer
This system offers hands-free operation with automated control, high power for deep imaging capabilities, and a wide dispersion precompensation range for optimized peak power. It also provides a secondary output at 1040 nm for multi-wavelength excitation, synchronized output pulse trains, and an option for built-in fast power modulation with Total Power Control (TPC).
AFM
Atomic Force Microscopy (AFM) is a scanning probe microscopy technique that utilizes the interaction between the sample surface and a tip to provide three-dimensional topography imaging at atomic-scale resolution. The system features a low noise floor of 35 picometers, a kinematic tip approach for precise positioning.
Streak Camera
This tool offers a temporal resolution of less than 1 ps, with the option of achieving 800 fs or less. It covers a wavelength range from UV to near-infrared and allows for the simultaneous measurement of light intensity in both temporal and spatial domains, it finds applications in fluorescence lifetime measurement, transient absorption measurement, and time-resolved Raman spectroscopy.
Dilution Refrigerator
Dilution refrigerator is a deep cryogenic system with a base temperature of 10mK. This system is capable of performing DC, RF, and optical measurements. It is equipped with 100 DC lines, 8 RF lines, 12T magnet, and optical ports. The measurement lines in this system use multistage filtering to reduce noise. The system is connected with a high throughput data acquisition system allowing fast data acquisition.