Application software

Integrated low-temperature thermostat and sample plugin

·Experimental setup/operation

·Program temperature and magnetic field measurement

·Analysis of Spectral Data

·Variable temperature range from 5 to 300 K

·Superconducting magnet field 9T

·Customize a low-temperature thermostat suitable for a 26mm aperture for terahertz radiation

Continuous wave terahertz spectroscopy

Sample tray

·Using continuous wave (CW) terahertz energy for measurement

·Amplitude and phase detection from 200 GHz to 1.5 THz

·Spectral resolution below 500 MHz

·Sample size 10 millimeters

·Measurement, terahertz transmission

·Mechanical automatic adjustment of sample position

Integrated control

·336 temperature controller

·625 Superconducting Magnet Power Supply

·Helium level gauge

·Electric sample positioning control

measure

Coherent amplitude and phase; Integrated measurement of variable temperature and variable magnetic field capability in THz transmission band of continuous wave (CW)

Terahertz generation/testing

Low temperature/magnetic field compatible optical mixing in low-temperature thermostat

Terahertz bandwidth

0.2 to 1.5 THz

Terahertz antenna

Square spiral antenna (with optional plug-in for reverse spiral antenna that can also be used for spin material measurement)

frequency resolution(minimum)

<500 MHz

Terahertz dynamic range

0.2 THz: 50 dB
1.0 Terahertz: 30 dB
1.5 Terahertz: 16 dB

Scanning time

A resolution scan with a full bandwidth of 1 GHz in less than 10 minutes

platform

Liquid helium low-temperature thermostat and ± 9T superconducting magnet
85 K magnetic field free, liquid nitrogen operation

temperature range

5 K to 300 K

magnetic field

±9 T

Sample insertion

Low temperature thermostat plug-in and sample and reference measurement automation three position rotating tray

Sample size

10 mm (0.4 in) × 10 mm (0.4 in), maximum
4 mm (0.16 in) thickness, maximum

direction

Terahertz and magnetic field are parallel and perpendicular to the sample plane

Atmosphere of the sample space

helium

Software

Lakeshore software enables complete control of terahertz measurements and low-temperature/magnetic field environments

data processing

Visualization of all terahertz raw data
Spectral feature recognition of THz transmission spectra with average scanning and processing
Frequency measurement tracks point data for each saved temperature and magnetic field
CSV format output, convenient for offline processing