| CPC G01J 3/027 (2013.01) [G01J 3/0229 (2013.01); G01J 3/42 (2013.01); G01S 17/08 (2013.01)] | 20 Claims |

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1. A device, comprising:
a light source;
a sensor;
a spectrometry filter; and
a plurality of time-of-flight (ToF) filters,
wherein the plurality of ToF filters include:
a first ToF filter,
a second ToF filter, and
a third ToF filter,
wherein a first axis connects the first ToF filter and the second ToF filter and a second axis, that is orthogonal to the first axis, connects the second ToF filter and the third ToF filter.
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