The Company
Zurich Instruments is a test and measurement company headquartered in Zurich, Switzerland, developing and selling measurement instruments along with premium customer support in key markets around the world. At Zurich Instruments, we come from all around the world and share one goal: enable our customers to do their best research in the laboratory.
Lock-in Amplifiers
Lock-in amplifiers are an essential part of research laboratories in areas such as optics and photonics, nano-technology and materials science, quantum technologies, scanning probe microscopy and sensing. Thanks to a lock-in amplifierʼs ability to extract very small signals buried in noise, it is possible to uncover new science and expand the reach of experimental setups. The working principle of a lock-in amplifier, called demodulation or phase sensitive detection, rests on mixing the measured signal with a reference frequency followed by low pass filtering. Choosing the modulation frequency of the measured signal makes it possible to move it away from dominant noise sources – which is especially relevant close to DC. The correct choice of filter settings can further improve the signal to noise ratio (SNR).
MFLI 500KHz/5MHz Lock-in Amplifier
Key Features
- Analyze, generate and control from DC to 500 kHz or 5 MHz
- Precisely measure current and voltage
- Fast measurement time and low noise floor
- Configurability with multiple auxiliary input/outputs
- LabOne toolset including Scope, Sweeper, and Spectrum Analyzer
- Expand your toolset with upgrade options
Applications
- Materials science: carrier mobility, carrier density, Hall effect
- Transport measurements: conductance measurements, 2- and 4-terminal resistors
- Absorption spectroscopy
- Sensing and actuation (MEMS): gyroscopes, resonators, accelerometers
- Quantum sensing and transport: quantum dots, qubits
- Magnetic sensing: SQUIDs, NV centers, atomic magnetometry, VSM
- Scanning microscopy: AFM, STM
- Noise characterization: noise density, cross-correlation measurements
HF2LI 50MHz Lock-in Amplifier
Key Features
- Analyze, generate and control from DC to 50 MHz
- Precisely measure two differential voltage signals
- Demodulate up to 6 harmonics simultaneously
- Fast measurement time and low noise floor
- Configurability with multiple auxiliary input/outputs
- LabOne® toolset including Scope, Sweeper, and Spectrum Analyzer
- Expand your toolset with upgrade options
Applications
- Sensing and actuation: MEMS gyroscopes, accelerometers
Microfluidics - Non-linear imaging: CARS, SRS, Terahertz, etc.
- Laser spectroscopy
- Atomic force microscopy (AFM), scanning probe microscopy (SPM)
- Nondestructive testing
- Medical technology
UHFLI 600 Lock-in Amplifier
Key Features
- Analyze, generate and control from DC to 600 MHz
- Precisely measure up to two voltage signals
- Demodulate up to 8 harmonics simultaneously
- Fast measurement time and low noise floor
- LabOne® toolset including Scope, Sweeper, and Spectrum Analyzer
- Expand your toolset with upgrade options
Applications
- Laser spectroscopy: pump-probe, THz time-domain, ultrafast
- Scanning microscopy: high-speed AFM, SNOM, CARS-SRS
- Industrial production: failure analysis, laser voltage probing and imaging
- Quantum technologies: quantum computing, quantum communication, RF-reflectometry
- Sensing and actuation (MEMS)
- NMR
GHFLI 1.8GHz Lock-in Amplifier
Key Features
- Frequency range: DC – 1.8 GHz
- Minimum demodulator time constant: 14 ns
- 2 independent lock-in units with signal generators
- 4 independent demodulators per lock-in unit
- 4 high-speed and 4 high-precision auxiliary outputs
- LabOne® toolset
Applications
- Sensors: MEMS, NEMS, surface acoustic wave (SAW) devices, bulk acoustic wave (BAW) Devices, quantum sensing
- Optics: mode-locked lasers, pump-probe spectroscopy, nano-optomechanics, optical PLL
- Spin qubits: RF-reflectometry, qubit readout
- Failure analysis: laser voltage probing and imaging
SHFLI 8.5GHz Lock-in Amplifier
Key Features
- Frequency range: DC – 8.5 GHz
- Minimum demodulator time constant: 14 ns
- 2 independent lock-in units with signal generators
- 4 independent demodulators per lock-in unit
- 4 high-speed and 4 high-precision auxiliary outputs
- LabOne® toolset
Applications
- Sensors: MEMS, NEMS, surface acoustic wave (SAW) devices, bulk acoustic wave (BAW) Devices, quantum sensing
- Optics: mode-locked lasers, pump-probe spectroscopy, nano-optomechanics, optical PLL
- Spin qubits: RF-reflectometry, qubit readout