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DWARF-Star Miniature NIR Spectrometer

Range 900-1700nm

StellarNet’s most popular NIR spectrometer, the DWARF-Star, is small, robust, and equipped with high performance InGaAs detector array for the 900-1700nm wavelength range and achieves resolving resolutions to 1.25nm. The DWARF-Star features no moving parts and is packaged in a small rugged metal enclosure (5”x3”x2”) for portable, process, and OEM applications. Advancements in electronic and optical design have allowed for size reduction never before achieved in a NIR spectrometer. The InGaAs detector is a Sensors Unlimited linear photo diode array with 512 pixels (1024 optional) 25μm by 500μm tall to provide maximum sensitivity. The detector has an integrated thermo electric cooler (TEC) maintained at –10 °C, stabilized within +/-0.1 °C. The NIR spectrometers accept a single strand SMA-905 terminated, low OH, fiber optic cable as input. Several models provide a variety of operational ranges and resolutions suitable for both spectroscopy and optical spectrum analysis.

StellarNet also offers light sources, probes, and sampling accessories to facilitate virtually any NIR application. The miniature DWARF-Star NIR spectrometer is ideal for process analytical technology for industries such as food and drug, chemical, oil and gas, and plastics. The DWARF-Star’s miniature size, low cost, and rugged design also make it ideal for the field, enabling on-site product analysis and quality control never before attainable.

DWARF-Star in hand




 DWARF-Star Sample Spectra

DWARF-Star NIR Spectrometer
SpectraWiz Software displaying a time series increase of NIR water absoprtion bands.


Spectrum from DWARF-Star-512 showing 2nd Derivative spectral reflectance of type-2 plastics



SpectraWiz software interface displaying raw NIR reflectance spectra of diet

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