LOCK-IN AMPLIFIERS





  • »Lock-In Amplifier Modules

    • Current and voltage inpu
    • Working frequency up to 45 kHz
    • Adjustable sensitivity, time constant and phase
    • Local and remote control
    • Compact and EMI-shielded case

    APPLICATIONS

    • Spectroscopy
    • Laser stabilization
    • Luminescence, fluorescence, phosphorescence measurements
    • Light scattering measurements
    • Opto-electronical quality control
    • Integration in industrial and scientific measurement systems
    • OEM systems


    Model LIA-MV-150-S Standard LIA-MV-150-D True-Differential Input
    Voltage InputBNC connector
    Lemo® connector
    Single-endedTrue-differential
    Instrumentation amplifier

    Instrumentation amplifier
    Noise 12 nV/√HzNoise 12 nV/√Hz
    Current InputBNC connector
    Lemo® connector
    Transimpedance amplifier, gain 1 kV/A
    Transimpedance amplifier, gain 1 kV/A
    Noise 13 pA/√HzNoise 13 pA/√Hz
    Sensitivity (Full Scale) Voltage: 3 μV to 100 mV, switchable in 1-3-10 steps
    Current: 3 nA to 100 μA, switchable in 1-3-10 steps
    Working Frequency 10 Hz - 45 kHz
    Reference Input ±100 mV to ±5 V, switchable to TTL
    Phase Adjustable 0° - 360° (8-bit resolution),
    Temperature drift <0.01°/K
    Demodulator Dynamic Reserve 35 dB @ low drift setting, 55 dB @ high dynamic setting
    Time Constants 3 ms to 10 s, switchable in 1-3-10 steps, slope switchable 6 dB or 12 dB/octave
    Signal Filter Highpass 0.4 Hz (6 dB/oct.), Lowpass 150 kHz (12 dB/oct.)
    Output X = in phase, ±10 V full scale, short-circuit protected
    Digital Control 16 TTL, CMOS, opto-isolated

    8-bit phase, 4-bit time constant, 4-bit sensitivity
    Power Supply ±15 V, 100 mA typ.
    Dimensions 170 x 60 x 30 mm (L x W x H), weight 370 g (0.82 lbs)


    Power supply via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet.

    brochure

    Technical Brochure




  • »Lock-In Amplifier

    • Single and dual phase
    • Phase shifter 0° – 360°
    • Rugged aluminum housing
    • Current and voltage input
    • BNC connectors for input and output signals
    • Optional reference oscillator module SOM-1 available
    • Working frequency 5 Hz up to 120 kHz

    APPLICATIONS

    • Spectroscopy
    • Luminescence, fluorescence, phosphorescence measurements
    • Light scattering measurements
    • Laser stabilization
    • Opto-electronical quality control
    • Integration into industrial and scientific measurement-systems
    • Alternative to expensive desktop lock-in amplifiers for general lab use

    Model LIA-MV-200-L LIA-MV-200-HLIA-MVD-200-LLIA-MVD-200-H
    Single PhaseSingle PhaseDual PhaseDual Phase
    Working Frequency 5 Hz - 10 kHz 50 Hz - 120 kHz 5 Hz - 10 kHz 50 Hz - 120 kHz
    Time Constants 3 ms - 10 s
    300 μs - 1 s
    3 ms - 10 s
    300 μs - 1 s
    6 or 12 dB/oct.6 or 12 dB/oct.6 or 12 dB/oct.6 or 12 dB/oct.
    Adjustable Signal Filter (6 dB/oct.) Highpass 0.2 Hz - 1 kHz Highpass 2 Hz - 10 kHz Highpass 0.2 Hz - 1 kHz Highpass 2 Hz - 10 kHz
    Lowpass 100 Hz - 1 MHzLowpass 100 Hz - 1 MHzLowpass 100 Hz - 1 MHzLowpass 100 Hz - 1 MHz
    Outputs (BNC)X = in phase,X = in phase,

    ±10 V full scale, short-circuit protected,

    Y = quadrature,
    Signal monitor outputR = magnitude,
    ±10 V full scale, short-circuit protected,

    Signal monitor output
    Sensitivity (Full Scale) Voltage: 3 μV - 1 V in

    1-3-10 steps
    Current: 30 pA - 10 μA in 1-3-10 steps
    Voltage Input (BNC) Instrumentation amplifier, noise 12 nV/√Hz
    Current Input (BNC) Transimpedance amplifier, gain 100 kV/A, noise 0.4 pA/√Hz
    Reference Input (BNC) ±100 mV to ±5 V, switchable to TTL
    PhaseAdjustable 0° - 360°; resolution: 8-bit @ f ≤ 60 kHz, 7-bit
    @ f > 60 kHz Temperature drift <0.01°/K
    Max. Dyn. Reserve 80 dB
    Digital Control 16 TTL/CMOS inputs: 8-bit phase, 4-bit time constant, 4-bit sensitivity
    Power Supply ±15 V, +120 mA / −60 mA
    Dimensions 223 x 105 x 65 mm (L x W x H), weight 1,000 g (2.2 lbs)


    The optional Reference Oscillator SOM-1 can be connected by an extension connector inside the module. Power supply via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet.





  • »Single-Board Lock-In Amplifiers

    • Single and dual phase 19″ boards
    • Working frequency 5 Hz up to 120 kHz
    • Phase shifter 0° – 360°
    • Current and voltage input
    • Parameter control by local switches and opto-isolated digital inputs
    • Mounting kit MK-LIA-2 and reference oscillator module SOM-1 available

    APPLICATIONS

    • Spectroscopy
    • Luminescence, fluorescence, phosphorescence measurements
    • Light scattering measurements
    • Opto-electronical quality control
    • Integration into industrial and scientific measurement-systems
    • Multichannel systems at an attractive price

    Model LIA-BV-150-L
    LIA-BV-150-H
    LIA-BVD-150-L
    LIA-BVD-150-H
    Single PhaseSingle Phase
    Dual Phase
    Dual Phase
    Working Frequency 5 Hz - 10 kHz 50 Hz - 120 kHz 5 Hz - 10 kHz 50 Hz - 120 kHz
    Time Constants 3 ms - 10 s
    300 μs - 1 s

    3 ms - 10 s

    300 μs - 1 s

    6 or 12 dB/oct.
    6 or 12 dB/oct.
    6 or 12 dB/oct.
    6 or 12 dB/oct.
    Signal Filter Highpass 0.2 Hz - 1 kHz
    Highpass 2 Hz - 10 kHz
    Highpass 0.2 Hz - 1 kHz

    Highpass 2 Hz - 10 kHz

    Lowpass 100 Hz - 1 MHz
    lowpass 100 Hz - 1 MHz
    Lowpass 100 Hz - 1 MHz
    lowpass 100 Hz - 1 MHz
    Outputs X = in phase,

    X = in phase,

    ±10 V full scale, short-circuit protected,

    Y = quadrature,

    Signal monitor outputR = magnitude

    ±10 V full scale, short-circuit protected,

    Signal monitor output
    Sensitivity (Full Scale) Voltage: 3 μV - 1 V in 1-3-10 steps

    Current: 30 pA - 10 μA in 1-3-10 steps
    Voltage Input True-differential instrumentation amplifier, noise 12 nV/√Hz
    Current Input Transimpedance amplifier, gain 100 kV/A, noise 0.4 pA/√Hz
    Reference Input ±100 mV to ±5 V, switchable to TTL
    Phase Adjustable 0° - 360°; resolution: 8-bit @ f ≤ 60 kHz, 7-bit @ f > 60 kHz
    Temperature drift <0.01°/K
    Max. Dyn. v80 dB
    Digital Control 16 TTL/CMOS inputs: 8-bit phase, 4-bit time constant, 4-bit sensitivity
    Power Supply ±15 V, +120 mA / −60 mA
    Dimensions 160 x 100 x 20 mm (L x W x H), weight 100 g (0.22 lbs)


    The optional Reference Oscillator SOM-1 can be connected by an extension connector inside the module. Power supply via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet.

    brochure

    Technical Brochure


  • » USB Control Interface

    • Compact digital I/O interface for USB remote control of FEMTO amplifiers and photoreceivers
    • Supports opto-isolation of amplifier signal path from PC USB port
    • Bus-powered operation
    • System driver, application software and VI’s for use with LabVIEW™ included

    » Remote Power Supply

    • Input voltage 100 – 240 VAC
    • Output ±15 V, +500/−400 mA
    • Shielded output cord with Lemo® plug
    • Floating design to avoid ground loops
    • Short-circuit protected
    • Ripple typ. 15 mV
    • Suitable for all FEMTO modules
    • Available as European, Australian and US version

    » Accessories For Photoreceivers

    • All FEMTO photoreceivers offered with FS input (round flange with 25 mm diameter) are now also available with 1.035″-40 threaded flange (FST) input – for even more flexibility on the optical bench! For example converting the free-space FST in- put to an optical fiber input is easily done by screwing on one of the optionally available FEMTO fiber-adapters PRA-FC and PRA-FSMA.

    » PRA-FC / PRA-FSMA Fiber-Adapters And Mounting Tool

    • Compatible with all FEMTO photoreceivers with threaded 1.035″-40 free space input (FST)
    • Easy mounting option for standard optical fibers
    • Machined from solid stainless steel
    • Available adapter types: PRA-FC (FC/PC, FC/APC, FC/UPC) and PRA-FSMA
    • Aditionally available: spanner wrench AT-W1 for convenient mounting of the adapters

    » PRA-PAP Post Adapter Plate

    • Compatible with FEMTO photoreceiver series FWPR, PWPR, OE, LCA-S and HCA-S
    • M4 and 8-32 UNC threads suitable for standard optical mounting posts
    • High-tensile material
    • Mounting screws included

    » CAB-LN1 Series Low Noise Cables

    • Minimizes triboelectric and microphonic noise
    • Designed for ultra sensitive current and charge measurements
    • Noise level reduction by a factor of 1,000
    • Highly shielding coaxial design
    • Fully assembled with premium quality connectors
    • Ultra high insulation resistance > 1014 Ω – guaranteed
    • Variety of lengths available: from 10 cm to 5 m

    » Lemo® Connectors

    • High quality connector
    • 3-pin and 4-pin versions available
    • For use with shielded cables
    • Suitable for all FEMTO modules