Published January 23, 2024 | Version v1
Conference paper Metadata-only

Investigation of Radiation Effects on Low Noise Photoreceivers for Laser Interferometric Space applications such as LISA

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This study assesses the impact of space environmental radiation on low-noise Quadrant Photoreceivers (QPRs) for use in high-precision interferometric systems like the Laser Interferometer Space Antenna (LISA). InGaAs Quadrant Photodiodes (QPDs) of 1.0 mm, 1.5 mm, and 2.0 mm sizes were irradiated with 20 and 60 MeV protons, 0.5 and 1 MeV electrons, and Co60 gamma rays, receiving a Displacement Damage Equivalent Fluence (DDEF) of 1.0×10+12 p/cm² and a Total Ionising Dose (TID) of 237 krad, five times LISA's requirement. These QPDs, integrated with a low-noise DC-coupled Transimpedance Amplifier (TIA) to form the QPR, were tested for phase and amplitude response to signals akin to LISA's interferometric signal. Additional measurements on the QPDs covered dark current, capacitance, Quantum Efficiency (QE), and QPR's input equivalent current noise. These findings indicate a predictable pattern of QPR performance degradation, based on the irradiated QPD parameters and suggest the QPDs' suitability for LISA and comparable space missions.

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URL
https://hal.science/hal-04894540
URN
urn:oai:HAL:hal-04894540v1

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UNICA