iDus InGaAs Detector for Spectroscopy DU490A

Specifications

Sensor Type: InGaAs Array
# Pixels (Width): 512
# Pixels (Height): 1
Pixel Size (Square): 25 um
Peak Quantum Efficiency: 85 %
Full Frame Rate: 193 fps
Bit Depth: 16 bit
Pixel Size: 25um X 500um
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Features


  • Operating Wavelength Range: 0.6 to 1.7 μm

  • Peak Quantum Efficiency: Greater than 85% for high detector sensitivity

  • TE Cooling: Cooled to -90°C to minimize dark current without the need for LN2

  • UltraVac™ Technology: Ensures permanent vacuum integrity for optimal sensor performance

  • Single Window Design: Maximizes photon throughput

  • Pixel Width Options: 25 μm pixel width, ideal for high-resolution NIR spectroscopy

  • Connectivity: Simple USB 2.0 plug and play connection with no controller box required

  • Input/Output Features: External Trigger, Fire, and Shutter TTL; I2C for advanced users

  • Output Amplifiers: Software-selectable for High Dynamic Range (HDR) or High Sensitivity (HS) modes

  • Minimum Exposure Time: 1.4 μs for high time-resolution and reduced dark current contribution

  • Active Pixels: Available in 512 or 1024 configurations

  • Pixel Size: Options of 25 x 500 μm or 50 x 500 μm

  • Maximum Spectra per Second: Up to 193 spectra per second

  • Read Noise: Typically 580 e-

  • Dark Current: Typically 11.7 ke-/pixel/sec

  • Digitization: 16-bit resolution

  • System Window Type: UV-grade fused silica, 'Broadband VUV-NIR', unwedged

Applications


  • NIR Absorption, Transmission, and Reflection Spectroscopy: Accurate spectral analysis across 600 nm to 1.7 µm

  • Near-Infrared Photoluminescence Studies: High sensitivity detection for semiconductor and material research

  • 1064 nm Raman Spectroscopy: Optimized for Stokes and anti-Stokes Raman signal detection

  • Time-Resolved Spectroscopy: Enabled by fast exposure and readout capabilities for dynamic studies