A soot sensor system comprising: a soot sensor comprising: a substrate defining a first surface and a second surface opposing said first surface; a first sensor element and a second sensor element, respectively, formed on the first surface of the substrate, the first sensor element comprising a first continuous loop, and the second sensor element comprising a second continuous loop, respectively, of conductive material disposed on the substrate, said first continuous loop being arranged in a serpentine configuration comprising a first set of a plurality of undulations, said second continuous loop being arranged in a heater loop serpentine configuration comprising a second set of a plurality of undulations, and said first set of a plurality of undulations being complementary to and interweaving with the second set of a plurality of undulations; wherein a sense current (I sense) flowing in said first continuous loop of conductive material is representative of soot deposited on said soot sensor; and wherein said second continuous loop of conductive material is configured to at least partially incinerate soot deposited on said soot sensor; characterized by said first set of a plurality of undulations further defining a first subset of undulations forming first secondary undulations in the first set of a plurality of undulations, and said second set of a plurality of undulations further defining a second subset of undulations forming secondary undulations in the second set of a plurality of undulations, respectively; and said first secondary undulations and said second secondary undulations forming a plurality of gaps within and between each of them. a substrate defining a first surface and a second surface opposing said first surface; a first sensor element and a second sensor element, respectively, formed on the first surface of the substrate, the first sensor element comprising a first continuous loop, and the second sensor element comprising a second continuous loop, respectively, of conductive material disposed on the substrate, said first continuous loop being arranged in a serpentine configuration comprising a first set of a plurality of undulations, said second continuous loop being arranged in a heater loop serpentine configuration comprising a second set of a plurality of undulations, and said first set of a plurality of undulations being complementary to and interweaving with the second set of a plurality of undulations; wherein a sense current (I sense) flowing in said first continuous loop of conductive material is representative of soot deposited on said soot sensor; and wherein said second continuous loop of conductive material is configured to at least partially incinerate soot deposited on said soot sensor; characterized by said first set of a plurality of undulations further defining a first subset of undulations forming first secondary undulations in the first set of a plurality of undulations, and said second set of a plurality of undulations further defining a second subset of undulations forming secondary undulations in the second set of a plurality of undulations, respectively; and said first secondary undulations and said second secondary undulations forming a plurality of gaps within and between each of them.