SpectralLED Uniform Intensity Tunable Light Sources

The award-winning SpectralLED® family of uniform intensity, tunable light sources delivers unmatched resolution and accuracy with an operating lifetime and cost of ownership that cannot be duplicated with traditional light sources such as Tungsten-Halogen and Xenon lamps.  With a fully spectrally tunable output, all you need is one SpectralLED to generate any arbitrary spectral power distribution; whether it be blackbody, daylight, fluorescent, LED, or something completely unique.  By sweeping through individual LED channels, the SpectralLED can even emulate a traditional monochromator light source, with no moving parts and no halogen input illumination.


Independent 16-bit control on 35 LED channels provides infinite possibilities with more channels, brighter output, higher accuracy, and more powerful features than any other light source on the market. The SpectralLED firmware controls RMS fitting, calibration storage, and presets. Direct integrating into production lines or test systems is easy with universally compatible USB and RS-232 interfaces.


Link to October, 2018 Webcast on the RS-7 Platform



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Unprecedented Resolution and Accuracy

  • 32 discrete LED wavelengths from the UVA to the NIR
  • Powerful synthesis engine - quickly simulate any CIE Illuminant or MacBeth™ / X-Rite™ Color Patch
  • Flexible interface - built-in RMS spectral fitting for simulation of any user imported spectra
  • Uniform 75mm radiance output port or optional baffle tube for irradiance
  • Superior performance to tungsten-halogen and xenon lamps, with exponentially lower operating costs
  • Pure DC constant current drivers and built-in optical feedback photodiode system  - ensure accurate output in real-time
  • On-board thermo electric cooler and feedback - for precise LED temperature control
  • ISO/IEC 17025 NVLAP accredited calibration laboratory (lab code 200823-0) - ensures superior wavelength and color accuracy


Configuration Options

  Model Number   Description   Features
RS-7-1 Benchtop Uniform Light Source 380 to 1000 nm - - 75 mm output port, 15,000 µW/cm2/sr
RS-7-2 Large Output Port 380 to 1000 nm - - Output port sizes up to 600 mm
RS-7-3 Fiber Optic Output 380 to 1000 nm - - Flexible illumination with up to 6 separate outputs
RS-7-4 Wafer Probe Illuminator 380 to 1000 nm - - >99% uniformity over 110 mm field of view
RS-7-6 Wide Field of View 380 to 1000 nm - - 180° field of view via 75mm output port
RS-7-7 Light Booth 380 to 1000 nm - - 45 x 45 x 45 cm illumination area
RS-7-940 940 nm Output 940 nm - - Output coupled into a 38mm homogenizing rod, 190 mm long
RS-7-SWIR Shortwave Infrared Output 900 to 1700 nm - - 75mm output port, tunable from 900 to 1700 nm
RS-7-2 VIS SWIR Visible and Shortwave Infrared Output 380 to 1700 nm -- 150 mm output port, tunable from 380 to 1700 nm
RS-7-OEM Modular custom-configured systems Configurable control electronics, LED wavelengths, output optics


Please contact us with your custom & OEM requirements

Download RS-7 Product Family Brochure


Gamma Scientific is proud to introduce the latest innovation in uniform intensity light sources. The SpectralLED® family of tunable light sources, recipient of numerous innovation awards, incorporate up to 35 discrete wavelengths for synthesis of commercially available light sources or based on spectra that you import.  The platform is easily adaptable for automated test systems and production line integration, with integrated optical feedback and temperature control to ensure rock-solid stability and consistent results.

Incorporating the latest LED technology available, the RS-7-VIS series, comprised of 35 discrete wavelength LEDs, delivers a nearly continuous spectrum from 380nm to 1000nm. This allows for an unprecedented color gamut and applications otherwise impossible for traditional halogen or LED light sources. The RS-7-SWIR series employs LED’s at 9 discrete wavelengths from 900nm to 1700nm in the Short-Wave Infrared portion of the spectrum, providing a fully programmable spectra with highly uniform and stable output.


Unlimited Spectra Possibilities

  • Independent 16-bit control on all channels, provide virtually infinite spectral profiles
  • More channels, brightest output, highest accuracy & most powerful features available
  • No external software is required; the device  firmware controls RMS fitting, stores calibration  data and allows for custom presets
  • Direct integration into your process via USB and RS-232 interfaces

Unmatched  Accuracy and Reliability

  • Pure DC constant current driver with floating differential sensing
  • Zero flicker or uncertainty in the drive current
  • Integrated optical feedback controls optical  output power to within a fraction of a percent
  • On-board thermal management maintains LED  temperature for stable and precise wavelength control, even at high drive currents


Replace multiple instruments with a single device. With a fully spectrally tunable output, all you need is one SpectralLED® to generate any spectral power distribution. Whether it be blackbody, daylight, fluorescent, LED, or something completely unique.





For the ultimate in resolution and accuracy, the SpectralLED ® Tunable uniform light source incorporates 35 discrete wavelengths for synthesis of commercially available light sources or based on spectra that you import.
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When you require a large area (up to 600mm in diameter), highly uniform light source for camera and image sensor calibration, the SpectralLED ® Large Output Port delivers brightness, radiometric...
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The SpectralLED ® Fiber Optic Output configuration provides flexible illumination for applications where space is limited. Systems can be configured with multiple outputs enabling several devices to...
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The SpectralLED ® Wafer Probe Illuminator is an all solid-state, drop-in replacement for field-deployed wafer-level CCD and CMOS sensor testers. This uniform light source system is fully turnkey, and...
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The SpectralLED ® Wide Field of View (FOV) uniform light source is ideally suited for applications requiring a field of view up to 180°. The unique optical design delivers equal radiance over the...
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The SpectralLED ® Light Booth quickly simulates virtually infinite lighting conditions enabling visual color assessment for photography, product display or lighting design applications. Both real and...
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For the ultimate in resolution and accuracy, the SpectralLED ® 940-SWIR source incorporates 16 discrete LED devices, all with a center wavelength of 940 nm. The output is directly coupled into a 38mm...
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For the ultimate in resolution and accuracy, the SpectralLED ® Tunable SWIR source incorporates 10 short-wave infrared wavelengths for synthesis of commercially available light sources or based on...
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For the ultimate in resolution and accuracy, the SpectralLED ® Tunable Motorized Iris has a variable output port aperture using a built-in, motorized iris. The platform is easily adaptable to...
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When high resolution and accuracy is required in a custom configuration, modular SpectralLED® solutions are available for OEM requirements. Control electronics, layout and wavelength selection of LED...
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When you require a large area, highly uniform light source for camera and image sensor calibration, the SpectralLED® VIS SWIR Tunable Light Source delivers brightness, radiometric stability and...
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