Microwave hidden sector photons at UWA

In these proceedings we present the latest progress on our microwave cavity light shining through a wall hidden sector photon experiment, as well as introduce a new method of hidden sector photon detection. Our new experiment uses a high Q superconducting Niobium emitter cavity and moderate Q room temperature copper detector cavity separated by ample shielding. The projected sensitivity of our setup to the kinetic mixing factor is $\chi \sim 1.8 \times 10^{-8}$ at a hidden sector photon mass of 52.1 $\mu$eV. A new technique for detecting hidden sector photons using a threshold crossing is also presented