One of the key components is the photodetector for positioning, acquisition and tracking. A figure of merit for performance accuracy is the minimum optical power required for a given noise equivalent angle (NEA). Based on the InGaAs/InP PIN structure, the design study examines how the detector parameters can be optimised to improve the system performance accuracy. The choice of layer structure and the expected performance are analysed. The design for high sensitivity over a wide spectral range of between 850 to 1550 nm has also been explored. The device fabrication technology is chosen to allow for future optoelectronic integration and two-dimensional array development.
The design of a high sensitivity InGaAs/InP quadrant PIN photodetector for pointing, acquisition and tracking applications in space
Entwicklung eines sehr empfindlichen InGaAs/InP PIN Photodetektors für Anzeige, Erfassung und Nachlauf-Anwendungen im Weltraum
1990
, 1 Quelle
Conference paper
English
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