Event



Astro Seminar: "Kinetic Inductance Detectors for CMB Studies"

Bradley Johnson (Columbia University)
| David Rittenhouse Laboratory, A4

I will discuss recent results from our kinetic inductance detector development projects.  Kinetic inductance detectors are superconducting thin-film, GHz resonators that are designed to also be optimal photon absorbers.  This detector technology is particularly well-suited for the sub-kelvin, kilo-pixel detector arrays needed for CMB studies because each detector element can be dimensioned to have a unique resonant frequency, and the probe tones for hundreds to thousands of detectors can be carried into and out of the cryostat on a single pair of coaxial cables.