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Home > Products > Photonic Accessories: Lock-in Amplifiers

Lock-in Amplifiers


MFLI Lock-in Amplifier

MFLI Lock-in Amplifier

The MFLI sets the new standard for measurements in the medium and low frequency range.
Technology From: Zurich Instruments

MFLI Lock-in Amplifier

The MFLI is a digital lock-in amplifier that sets the new standard for measurements in the medium and low frequency range and is available in two versions: DC to 500 kHz and DC to 5 MHz (an upgrade from 500 kHz to 5 MHz is possible later). With the carefully developed analogue and digital front ends in combination with the merits of fast digital processing provided by the on board FPGA, the MFLI combines superior performance with the outstanding LabOne®toolset. The embedded data and web servers allow straightforward connection to any device running a web browser.

Key Features
  • DC - 500 kHz / 5 MHz, 60 MSa/s, 16 bit
  • Current input and differential voltage inputs
  • LabOne® toolset: Scope, Sweeper, Spectrum Analyzer, etc.
  • Plug & Play with embedded LabOne® web server
  • USB 2.0 and 1 GbE high-speed connections
  • Power options: AC line or 12 V DC, e.g. for battery operation
  • Upgradeable in the field with options
Applications
  • Quantum and nano-electronics
  • Scanning tunneling microscopy
  • Low temperature physics
  • Materials research
  • Four-terminal sensing
  • Optical chopper applications
  • Pulsed laser applications (eg. high power lasers)
  • Seismic measurements
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HF2LI Lock-in Amplifier

HF2LI Lock-in Amplifier

The HF2LI is a technology milestone in both the support of existing applications and in the enabling of the development of many new ones.
Technology From: Zurich Instruments

HF2LI Lock-in Amplifier

The HF2LI is an advanced digital lock-in amplifier with an extended signal frequency range of 50 MHz. With its 2 physical input channels, it replaces 2 traditional lock-in amplifiers for measurement setups. The 128-bit digital signal processing delivers superior precision thus boosting both the noise performance and the dynamic reserve. With these unprecedented capabilities, the HF2LI brings lock-in amplification to a new level and enables new applications in a frequency range that was previously tied to analog instrumentation.

Key Features
  • 2 independent lock-in units, 2 signal generators
  • 1 fundamental and 2 harmonic frequencies per lock-in unit
  • 1 µHz - 50 MHz frequency range
  • 210 MSample/s, 14 bit A/D conversion
  • 5 nV/√Hz input voltage noise
  • 1 µs - 500 s time constant
  • 6 to 48 dB/oct filter slope (1st to 8th order)
  • 4x 1 MSample/s, 16 bit, ±10 V auxiliary analog output
  • 2x 400 kSample/s, 16 bit, ±10 V auxiliary analog input
  • USB 2.0 high-speed host connection
  • LabOne® toolset: Scope, Sweeper, Spectrum Analyzer, etc.
Applications
  • Atomic Force Microscopy (AFM), Scanning Probe Microscopy (SPM)
  • Non-linear imaging (CARS, SRS, Terahertz, etc.)
  • Sensors & Actuators, MEMS, eg. gyroscopes and accelerometers
  • Laser Spectroscopy
  • Astronomy
  • Nondestructive Testing (NDT)
  • Med-tech, Radiology and Ultrasound
  • Industrial processing
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UHFLI Lock-in Amplifier

UHFLI Lock-in Amplifier

This product is a dream come true for many scientists forced to implement their own hardware instead of focusing on research.
Technology From: Zurich Instruments

UHFLI Lock-in Amplifier

The UHFLI is a digital lock-in amplifier covering the frequency range from DC to 600 MHz. In addition to providing the highest operation frequency amongst all commercial lock-in amplifiers, the UHFLI also offers the lowest time constant of 30 ns for demodulation, resulting in a demodulation bandwidth of more than 5 MHz. The exquisite analog front end offers a spectacular noise performance of 4 nV/vHz which helps in many applications to keep the signal-to-noise ratios high while speeding up the measurement. In combination with the most innovative instrument control software LabOne®, the UHFLI is the flagship of all Zurich Instruments products and represents the state of the art of today's scientific instrumentation.

Key Features
  • 600 MHz operation
  • 2 independent lock-in units
  • 2 high-performance signal generators
  • 4 independent harmonics per lock-in unit
  • High-resolution 12-bit scope with 65k samples
  • Frequency Response Analyzer (FRA)
  • FFT Spectrum Analyzer with 5 MHz span
  • LabOne® toolset
Applications
  • Engineering R&D: Oscillator testing, FFT Spectrum Analyzer, Frequency Response Analyzer (FRA), Vector Network Analyzer (VNA)
  • Industrial production: Chip Testing, Failure Analysis, RFID transmission demodulator, Laser Voltage Prober (LVP), Non-Destructive Testing (NDT)
  • Laser spectroscopy, confocal microscopy: ultra-high speed scanning, THz spectroscopy
  • Medtech: flow cytometry, electrical impedance spectroscopy
  • Quantum amp; Nano physics: MRFM, single electron transistors, quantum computing, noise measurement, graphene
  • Scanning probe microscopy: high-speed AFM, scanning near-field optical microscopy (SNOM)
  • Sensors & Actuators: MEMS, NEMS (eg. gyroscopes, accelerometers, etc.)
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HF2 Series Pre-Amplifiers

HF2 Series Pre-Amplifiers

Warsash Scientific offer a line of active probes with configurable input impedance, a wide operational range, and seamless integration with the measurement instrument software.
Technology From: Zurich Instruments

HF2 Series Pre-Amplifiers

There is a considerable advantage in accuracy for many measurement setups when the experiment stands independently of the measurement instrument. With the use of suitable pre-amplifiers, inconvenient electrical lines from the setup to the instrument are avoided, interference on the analogue signals is minimized, and impedance matching is enabled. Warsash Scientific offer a line of active probes with configurable input impedance, a wide operational range, and seamless integration with the measurement instrument software.

Key Features
  • Experiments can be carried out with very short cables
  • Reduction of interference
  • Avoid the need for high input impedance (>1 MΩ) at the measurement instrument
  • Increase in regulation loop speed and stability
  • Single cable between the measurement instrument and the pre-amplifier providing power and control
  • Seamless integration of pre-amplifier into measurement instrument within the graphical user interface
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All products and information are subject to change without notice.