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NIRONE Optical Bench

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NIRONE spectrometers are small, cost-efficient and affordable MEMS-based sensors to be integrated into process and portable devices for material analysis based on NIR absorbance / reflectance spectroscopy. The NIRONE uses patented Micro Electro-Mechanical System Fabry-Perot Interferometer, a fully programmable and scannable optical filter.

The sensor can be driven across the full wavelength range, or it can operate at selected wavelengths. The sensor’s intelligent algorithms remove the need for additional temperature stabilization. The NIRONE has a single channel, large-area InGaAs detector instead of a linear array, delivering significantly better SNR performance as light is not restricted by an entrance slit.

The NIRONE can also include two integrated light sources, read-out and drive electronics and built-in intelligence, which guarantees extremely stable output even for the most demanding industrial or consumer applications. The spectral sensor can easily be adapted to specific measurement needs with suitable front optics. A single electrical connector (I2C communication) makes the sensor easy to integrate. It provides additional access to a trigger signal to control a separate light source.

The Evaluation Kit provides a good starting point for technology evaluation and application studies. It includes a USB communication board for control via PC, micro reflection optics, SMA-connector and user-friendly SensorControl software.

The NIRONE is offered in 5 versions, each covering a specific spectral span in the NIR range: S1.4 – S1.7 – S2.0 – S2.2 – S2.5

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  • Miniature scanning, MEMS-based NIR sensor.
  • Large area, single channel InGaAs detector for best SNR performance.
  • Integrated miniature, dual light sources, with direct contact or fiber-coupled front optics.
  • Simple, robust, modular compact platform for ease of integration into any design.


  • Capability to scan the whole spectral span, or to select specific wavelength(s).
  • Miniature device, ready for integration in cost-efficient handheld or process NIR analyzers.
  • Five spectral range versions available, to support a wide range of applications (food, feed, pharma, semiconductor, oil & gas, etc…)
  • Cost-efficient, smart solution, an alternate to expensive InGaAs array spectrometers.


  • Wavelength range 1.10 – 1.35 µm (NIRONE S1.4)
    1.35 – 1.65 µm (NIRONE S1.7)
    1.55 – 1.95 µm (NIRONE S2.0)
    1.75 – 2.15 µm (NIRONE S2.2)
    2.00 – 2.45 µm (NIRONE S2.5)
  • Wavelength resolution
    (typical, FWHM)
    12 – 16 nm (S1.4)
    13 – 17 nm (S1.7)
    15 – 21 nm (S2.0)
    16 – 22 nm (S2.2)
    18 – 28 nm (S2.5)
  • Detector type Single-element InGaAs (S1.4)
    Single-element extended InGaAs (from S1.7 to S2.5)
  • Illumination source Two tungsten vacuum lamps
  • Lamp lifetime > 40,000 hrs
  • Wavelength points Minimum step 0.1 nm, up to 512 in total
  • Wavelength switching time 1 ms
  • SNR
    (typical, w/o averaging)
    > 15’000 (NIRONE 1.4)
    > 11’000 (NIRONE 1.7)
    > 7’500 (NIRONE 2.0 and 2.2)
    > 1’500 (NIRONE 2.5)
  • Wavelength temperature response
    0.1 nm/°C
  • Operating temperature range +10 °C..+50 °C (non-condensing)
  • Power consumption < 1.1 W (peak)
    < 300 mW (nominal)
  • Optical Interface Micro reflection optic
  • Electrical interface Supply voltage (5 V)
    UART (3.3 V)
    I2C (3.3 V)
    Digital trig in/out (3.3 V)
  • Mechanical interface Mountable on PCB. Two M2 screws and PCB connector.
    PCB area of 25 x 25 mm2 needed.
  • Size (W x L x H) 25 x 25 x 17.5 mm
  • Weight 15 g

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