SideKick QCL controller: Reliable low-noise laser regulation

A major advancement in the functionality, features, and design of quantum cascade laser controllers may be found in the SideKick Laser Controller. Its low-noise design eliminates the need for cooling fans, and its drive electronics enable industry-leading CW RIN (low optical noise) when used with a DRS Daylight Solutions laser head.

The SideKick controller works with various laser systems and wavelengths and is based on the well-established functionality of TLC/FLC controllers. It works with all product families from the 31000 and 41000 series, which includes the older Pulsed, CW/pulsed, and Über TunerTM heads as well as the Hedgehog, CW-MHF, Aries-100, and Unicorn-II laser heads.

With tried-and-true HFQD circuitry safeguarding laser chip, the SideKick controller offers exact and versatile control over laser power, wavelength, temperature, scan speed, and pulse parameters.

The SideKick controller is equipped with USB/Ethernet connectivity and features powerful local/remote control, many tuning and triggering modes, beautiful diagnostics, and a GUI and SDK.


Features and benefits

  • For OEM or lab usage
  • Remote diagnostics and error messaging for rapid troubleshooting
  • Integrated laser power, tuning, and temperature control
  • Supports CW or pulsed laser operation
  • Ultra-low current noise enables ultra-low optical RIN
  • USB/Ethernet connectivity with GUI and SDK included for robust local/remote control
  • Fanless cooling means low acoustic noise
  • Field-tested HFQD circuity for chip protection
  • Upgrade for the existing 31000 and 41000 series lasers 


  • Life sciences
  • Scientific research
  • Environmental monitoring
  • Standoff detection
  • OEM integration 

Product specifications

Source: Daylight Solutions Inc.

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Modes of Operation Pulsed, CW, CW-Mode-Hop-Free
Compatibility  41xxx tunable 31xxx tunable & fixed-λ laser heads
Tuning Modes Set wavelength, uni- and bi-directional scans, step and measure, start/stop scan
External Interfaces  USB 2.0, Ethernet 10/100
Control Interfaces GUI and SDK Command set (included)

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