Optomechanical metamaterial nanobolometer

Bolometers are detectors of electromagnetic radiation that usually convert the radiation-induced change in temperature detector into electric signals. Temperature-dependent electrical resistance semiconductors and superconductors, thermoelectric effect thermocouples, pyroelectric transient polarization certain materials when they heated or cooled among underlying physical phenomena used bolometers. Here, we report dependence fundamental frequency a nanowire string detected via scattering light on can be bolometer. Arrays such nanowires serve as with high spatial temporal resolution. We demonstrate bolometer 400 nm resolution, 2–3 µs thermal response time, optical power detection noise floor at 3–5 nW/Hz1/2 room temperature.