CPC G01S 7/4813 (2013.01) [G01S 7/4808 (2013.01); G01S 7/497 (2013.01); G01S 17/08 (2013.01)] | 16 Claims |
1. An optical sensor module for time-of-flight measurement, having an optical emitter, a main detector and a reference detector arranged in or on a carrier, further comprising:
an opaque housing with a first chamber and a second chamber, separated by a light barrier and having a cover section; wherein the housing is arranged on the carrier such that
the optical emitter is located inside the first chamber, the main detector is located inside the second chamber, the reference detector is located outside the first chamber, and
a main surface of the cover section is positioned opposite the carrier; and wherein
the optical emitter is arranged and configured to emit light through a first aperture in the cover section, and the main detector is arranged and configured to detect light entering the second chamber through a second aperture in the cover section,
a reference path is established between the optical emitter and the reference detector inside the optical sensor module, and confined by the main surface of the cover section and the carrier, and
the first chamber and the second chamber each are laterally delimited by the opaque housing.
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