Bolometers provide the most accurate measurements of electro-magnetic radiation in the range from 200\u00b5m to 3mm.\u00a0 This range is of particular interest to the study of the Cosmic Microwave Background (CMB).\u00a0 Superconducting Bolometers provide an enticing possibility as a replacement for the current semi-conducting bolometers as they bring a decreased response time (lower time constant).\u00a0 Superconducting Bolometers are also sought after because of the ease of creating large arrays of them.\u00a0\u00a0 Since they are read out through SQUIDS (superconducting Quantum Interference Devices) they can be easily multiplexed in large arrays.\u00a0<\/p>\n
\u00a0\u00a0 We will attempt to design, fabricate and test a superconducting thin film, with a Tc<\/sub> of approximately 4K.\u00a0 This will lead to the design of a Superconducting Bolometer of the same material.\u00a0 We will employ the techniques of thin film deposition and optical lithography.\u00a0 These techniques also lend themselves fairly easily to the production of large arrays of bolometers.\u00a0\u00a0\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":" Sam Khamis with John RuhlDesign, Fabrication and Testing of a Superconducting Transition Edge Bolometer<\/p>\n Bolometers provide the most accurate measurements of electro-magnetic radiation in the range from 200\u00b5m to 3mm.\u00a0 This range is of particular interest to the study of the Cosmic Microwave Background (CMB).\u00a0 Superconducting Bolometers provide an enticing possibility as a replacement for the current semi-conducting bolometers as they bring a decreased response time (lower time constant).\u00a0 Superconducting Bolometers are also sought after because of the ease of creating large arrays of them.\u00a0\u00a0 Since they are read out through SQUIDS (superconducting Quantum Interference Devices) they can be easily multiplexed in large arrays.\u00a0<\/p>\n