DragonFly DLP NIR Series Spectrometer

Evolve Sensing

Specifications

Wavelength Range (Reflectance): 900–2280 nm (model dependent)
Resolution: 10–13 nm (average, model dependent)
Dimensions: 71.5 × 57 × 25 mm (DF1514) / 76.7 × 60 × 40 mm (DF19xx)
Detector Type: InGaAs detector (Hamamatsu G12180 series)
Cooling: Passive or 2‑stage TEC (model dependent)
Signal-to-Noise Ratio (SNR): 7000
Thermal Stability: < 0.08 nm / °C
A/D Resolution: 24-bit
Integration / Scan Time Range: 0.635 ms (minimum, user-configurable; Column, Hadamard, and Slew scan modes)
Minimum Scan Time: 0.000635 s
Dynamic Range: 10,000–100,000:1 (enhanced by Hadamard scanning; 2–7× standard column mode)
Optical Resolution (FWHM): < 12–14 nm
Stray Light: < 0.2 %
Interfaces: Micro USB 2.0 + UART (GPIO), status LEDs
Connector Type: SMA905 fiber
Power Requirements: 5 V DC @ 300 mA (typical); 500 mA max with TEC cooling
Operating Temperature: 0 °C – 40 °C
Storage Temperature: –30 – 70 °C
Environmental Limits: 0 – 85 % RH, non-condensing
A/D Converter Type: 24-bit ADC
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Features

  • Advanced digital light processing (DLP) technology with programmable digital micro-mirror device (DMD) chip for flexible, high-efficiency scanning
  • Hamamatsu G12180 series 1 mm InGaAs photodiode for superior light detection and low noise
  • Hadamard scan mode for enhanced signal-to-noise ratio (2–7× higher than column mode)
  • Multiple scan modes: Column, Hadamard, and Slew (Col + Had)
  • Fast minimum exposure time: 0.635 ms
  • Resolution: 10–13 nm (average, model-dependent)
  • Wavelength accuracy: ±1 nm
  • Thermal stability: < 0.08 nm / °C
  • Low stray light: < 0.2%
  • TEC-cooled models (DF1914 / DF1924 / DF1934) maintain sensor temperature near –20 °C
  • 32-bit ARM Cortex-M4F RISC microcontroller for fast processing and precision control
  • Micro USB and UART interfaces, with LED indicators (green = power, red = scanning)
  • SMA905 fiber optic interface (Ø 3.18 mm ferrule)
  • Compact, lightweight design with optional protective casing for OEM and system integration

Applications

  • NIR spectroscopy and reflectance analysis
  • Grain, fabric, and material identification
  • Pharmaceutical, food, and polymer analysis
  • Rapid absorbance and process monitoring
  • Optical metrology and fiber characterization
  • Environmental and agricultural analysis
  • Scientific and industrial NIR sensing
  • OEM and embedded system integration