Angle Sensitive Optical Sensor for Light Source Tracker Miniaturization

Angle Sensitive Optical Sensor for Light Source Tracker Miniaturization

Romijn, J. (TU Delft Electronic Components, Technology and Materials)
Sanseven, Seçil (Student TU Delft)
Zhang, Kouchi (TU Delft Electronic Components, Technology and Materials)
Vollebregt, S. (TU Delft Electronic Components, Technology and Materials)
Sarro, Pasqualina M (TU Delft Electronic Components, Technology and Materials)

2022

An angle sensitive optical sensor without conventional optics is presented in this article. The reported device omits the need for adding 3-D optics in postprocessing by monolithic integration of complimentary metal-oxide semiconductor compatible diffraction grating layers, which cuts down the fabrication costs and allows for miniaturization of these types of sensors. The sensor resolves angular information from a monochromatic light source over a single axis with a mean absolute accuracy of 0.6° in an investigated $\pm 26$° field-of-view using four unique pixels. This letter facilitates miniaturization of light source trackers, such as sun position sensors on small satellites of the future.

Optical sensors
angle sensitive pixels (ASPs)
diffraction gratings
optical sensor
opto-electronic system
sun position sensor

http://resolver.tudelft.nl/uuid:15dac625-50ea-4b52-9dc4-3ce22f454a2b

https://doi.org/10.1109/LSENS.2022.3175607

2022-11-20

IEEE Sensors Letters, 6 (6)

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Institutional Repository

journal article

© 2022 J. Romijn, Seçil Sanseven, Kouchi Zhang, S. Vollebregt, Pasqualina M Sarro