Liquid Instruments

Laser Lock Box

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Laser Lock Box

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Modulation frequency
DC-200 MHz

Scan frequency
1 MHz

DAC resolution
16-bits

Integrated oscilloscope
[nb-hyphen]500 MSa/s[/nb-hyphen]

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Moku:Lab’s Laser Lock Box enables you to lock a laser’s frequency to a reference cavity or atomic transition using [nb-hyphen]high-performance[/nb-hyphen] modulation locking techniques. The Laser Lock Box includes a [nb-hyphen]‘Tap-to-Lock’[/nb-hyphen] feature, enabling you to quickly lock to any zero-crossing on the demodulated error signal. It also features an integrated [nb-hyphen]2-channel[/nb-hyphen] oscilloscope, allowing you to observe signals at any point in the signal processing chain at up to [nb-hyphen]500 MSa/s.[/nb-hyphen]

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[features_specs_wrapper title=”Features”][features_specs_column]Stabilize a laser’s frequency to a reference cavity or atomic transition
Supported locking techniques include Pound-Drever-Hall (PDH) locking, Heterodyne offset phase-locking, RF locking, and Dither locking

Block diagram view of the signal processing chain
Clear overview of the laser locking to aid control and understanding

Flexible configuration of the demodulation source
Demodulate signals with internal or external local oscillators

Scan for resonances
Positive sawtooth, negative sawtooth or triangle waveforms

Integrated oscilloscope
Place virtual probes within signal processing chain to observe signals using an integrated oscilloscope

Tap-to-Lock
Quickly lock to any zero-crossing in the error signal using the ‘Tap-to-Lock’ feature[/features_specs_column][features_specs_column]Post-demodulation filtering
Filter demodulated signals with up to fourth order infinite impulse response low-pass filters: Butterworth, Chebyshev, Inverse Chebyshev, Elliptic, Gaussian, Bessel, Legendre

Maintain frequency lock with two independent PID controllers
Individually configure high- and low-bandwidth PID controllers for fast and slow feedback

Custom controls
Quickly access the controls you need with a customizable control palette view

App Notes
[hubspot_link id=”d9b879c7-615c-49f8-853a-10eaa5518991″ load=”3954510″ text=”PDH locking app note”]

[hubspot_link id=”d62cacd0-9fe5-485b-b5c0-c787ff733fef” load=”3954510″ text=”Automated PDH Locking”][/features_specs_column][/features_specs_wrapper]

[features_specs_wrapper title=”Specifications”][features_specs_column]Local oscillator frequency
1 mHz to 200 MHz (3.55 µHz resolution)

Scan waveforms
positive sawtooth, negative sawtooth, triangle

Scan frequency
1 mHz to 1 MHz

Low-pass filter corner frequency
1 kHz to 14 MHz

Filter roll-off
6 dB / 12 dB per octave filter roll-off

Low-pass filter types
Butterworth, Chebyshev, Inverse Chebyshev, Elliptic, Gaussian, Bessel, Legendre[/features_specs_column][features_specs_column]Coupling
AC/DC

Input impedance
50 Ω / 1 MΩ

Specs
[xyz-ihs snippet=”Moku-Lab-Spec-Sheet-Laser-Lock-Box-unstyled”]

Datasheet
[xyz-ihs snippet=”Datasheet-Laser-Lock-Box-unstyled”]

Manual
[xyz-ihs snippet=”Manual-Laser-Lock-Box-unstyled”][/features_specs_column][/features_specs_wrapper]

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[lq_software_integrations description=”Stabilize a laser’s frequency to a reference cavity or atomic transition using high-performance modulation locking techniques from an intuitive iPad interface, or with Python, MATLAB, and LabVIEW.”]
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The single-instrument solution for high-performance frequency stabilization

Moku:Lab replaces stand-alone waveform generators, phase shifters, demodulators, filters, and PID controllers. Its high-performance digital signal processing, powerful visualization, and flexible user interface delivers an all-in-one solution for laser frequency stabilization.

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Block diagram view

Get a bird’s-eye view of your control system and observe signals anywhere in the signal processing chain using the integrated oscilloscope. Use conditional triggering, synchronized scanning, and configurable output limiters optimized specifically for cavity stabilization systems.[/lq_image_text][lq_image_text image=”1575″ image_position=”Right”]

Tap-to-lock

Quickly lock to any zero-crossing in the error signal using the ‘Tap-to-Lock’ feature.[/lq_image_text][lq_image_text image=”1576″]

Custom controls

Quickly access the controls you need with customizable control palette view. Split screen access to the integrated oscilloscope lets you adjust parameters and observe your system’s response in real-time.[/lq_image_text][lq_image_text image=”1577″ image_position=”Right”]

High performance

Direct digital down-conversion of frequencies up to 200 MHz sidesteps 1/f noise introduced by analog electronics. Precisely control demodulation phase with 1 millidegree accuracy. Ensure a clean error signal with Moku:Lab’s low noise input (< 30 nV/√Hz) and user-configurable low-pass filters.[/lq_image_text][lq_image_text image=”1578″]

Dual PID controllers

Individually configure high- and low-bandwidth PID controllers for fast and slow feedback. Tune the response in real-time from an intuitive interface.[/lq_image_text][lq_image_text image=”1579″ image_position=”Right”]

Export data effortlessly

Export your data to Dropbox, SD Card, iCloud or e-mail. Moku:Lab can save an image of your screen or export your data in .CSV or .MAT formats.[/lq_image_text][lq_image_text image=”1580″]

LabVIEW, Python,
and MATLAB

Integrate Moku:Lab’s Laser Lock Box and its other instruments into your existing system using LabVIEW, Python, and MATLAB APIs.[/lq_image_text]

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