Tunable KiloArc

Tunable 1000W Xe Light Source

The Tunable KiloArc™ illuminator is the ultimate tunable light source for applications that require high power output with over 100 mW. Combined with HORIBA’s available accessories, including our full line of monochromators and sample compartments, a specialized setup can be created for any experimental requirement.

The Tunable KiloArc illumination system is perfect for applications such as

  • Detector calibration
  • Solar Simulators
  • Photochemistry
  • Photo-Activation
  • Photobiology
  • Photovoltaics
  • Spectroscopy
  • Optical Teaching Labs
  • Dermatology
Segment: Scientific
Manufacturing Company: HORIBA Scientific

Key Benefits of the Tunable KiloArc™ Illuminator

  • Continuously tunable from 180 nm to 24 microns.
  • Hundreds of Milliwatts of energy.
  • Push button start and simple dial the wavelength tunability.
  • No special cooling or ozone venting required.
  • An Illuminator that is so easy to use, anyone can operate it.


Find out what makes the Tunable KiloArc a better tunable illuminator!



    Optical Performance Specifications

    Optical power

    > 300 m W (grating, bandpass & wavelength dependent)

    Spot size at slit exit

    10 mm (slit dependent)

    Diverging beam angle (full)

    14.4 degrees

    Numerical aperture (N.A.)


    Optical noise

    From 0.15% to 0.2% RMS

    Optical stability


    Other Specifications
    Input210–240 V AC 50/60 Hz
    Starting45 kV starting pulse
    Power rating    800–1200 watts (adjustable) — recommended 800–1000 watts
    Lamp module type   1000 W Xenon, 1000 W Mercury/Xenon (proprietary to HORIBA)
    Lamp lifeTypically 1,500 hrs
    Focusing opticsHigh efficiency f/4 ellipsoid reflector
    Power precision0.04% (0.4 watts)
    Output volts compliance17–23 VDC
    Output current limit70 A rms
    Dimensions489 x 375 x 329 mm (19.3 x 14.8 x 12.9 inches)
    Weight31 kg (68 pounds)
    Window diameter (D)127 mm (5.0 inches)
    Center beam line height (without feet)128 mm (5.0 inches)
    Optical Motor Controller Specifications
    Power supplyUniversal Power Supply included
    TTL outputSynchronization TTL output each time motor stops
    Stepper motorTwo phase motor 1 A per phase, 200 steps per revolution, 1.8 degrees per step
    Maximum motor speed1200 RPM with zero torque
    Maximum speed with mono15,000 nm per minute
    Stepping motor voltage5–12 V
    Stepping modesFull, Half and Micro steps: 1/8, 1/16, 1/32, 1/64 computer selectable
    Slew rate1 to 62,500 micro steps per second
    CalibrationAuto calibration of wavelength
    RampingLinear ramping rate for heavy duty, fast, precision operation

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