Space Qualified, 2.4 Micron Wavelength InGaAs Photodiodes up to 400 MHz

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Description:

The DSC24-290(S) is a 290 micron diameter photodiode having more than an octave spectral coverage with 2.4 micron cut-off wavelength at 300 K, that has been specifically designed for a variety of space applications, from comparatively benign Low Earth Orbit radiation environment to deep space missions outside Earth’s protective magnetosphere. Additionally, the wide operating temperature range and high optical power handling makes this device suitable for both direct detection and coherent systems. Multiple packaging options are available for fibered and free space coupled systems.

Different packaging options for space qualified InGaAs photodiodes

Fig 1: Extended InGaAs DSC24-290 InGaAs Photodiodes with different packaging options similar to our Standard InGaAs Photodiodes DSC290 and DSC350

Shunt Impedance for DSC24-290 Photodiode

Fig 2: Typical Shunt Resistance for
DSC24-290 Photodiodes

Salient Features:
  • Large Dynamic Range
  • High Shunt Impedance
  • Wide operating temperature range from -75 C to +70 C
  • Useable spectral wavelength range of 800-2400 nm
  • TO-can, K-connector or surface mount package options
  • Fibered and Free Space Coupled options
  • High Reliability
  • One device for multiple wavelengths reduces operational & inventory costs
Applications:
  • Free Space Optical Communications
  • LIDAR
  • Short Wave Infrared Spectroscopic Measurements
  • Optical Power Measurements and Tap Monitors
  • Front-End O/E Converter for Hazardous Space Environment
Available Models:
  • DSC24-290 - Space Qualified, 2.4 Micron InGaAs Photodiodes up to 400 MHz