37 Result(s)

Article

Performance of Al–Mn Transition-Edge Sensor Bolometers in SPT-3G

SPT-3G is a polarization-sensitive receiver, installed on the South Pole Telescope, that measures the anisotropy of the cosmic microwave background (CMB) from degree to arcminute scales. The receiver consists ...

A. J. Anderson, P. A. R. Ade, Z. Ahmed, J. S. Avva… in Journal of Low Temperature Physics (2020)

Article

On-Sky Performance of the SPT-3G Frequency-Domain Multiplexed Readout

Frequency-domain multiplexing (fMux) is an established technique for the readout of large arrays of transition-edge sensor (TES) bolometers. Each TES in a multiplexing module has a unique AC voltage bias that ...

A. N. Bender, A. J. Anderson, J. S. Avva… in Journal of Low Temperature Physics (2020)

Article

Design and Bolometer Characterization of the SPT-3G First-Year Focal Plane

During the austral summer of 2016–2017, the third-generation camera, SPT-3G, was installed on the South Pole Telescope, increasing the detector count in the focal plane by an order of magnitude relative to the...

W. Everett, P. A. R. Ade, Z. Ahmed, A. J. Anderson… in Journal of Low Temperature Physics (2018)

Article

Thermal Links and Microstrip Transmission Lines in SPT-3G Bolometers

In this work, we have measured the properties of membrane-suspended bolometer thermal links and microstrip transmission lines in the transition-edge sensor arrays for the third-generation camera for South Pole...

J. Ding, P. A. R. Ade, Z. Ahmed, A. J. Anderson… in Journal of Low Temperature Physics (2018)

Article

Fabrication of Detector Arrays for the SPT-3G Receiver

The South Pole Telescope third-generation (SPT-3G) receiver was installed during the austral summer of 2016–2017. It is designed to measure the cosmic microwave background across three frequency bands centered...

C. M. Posada, P. A. R. Ade, Z. Ahmed, A. J. Anderson… in Journal of Low Temperature Physics (2018)

Article

SPT-3G: A Multichroic Receiver for the South Pole Telescope

A new receiver for the South Pole Telescope, SPT-3G, was deployed in early 2017 to map the cosmic microwave background at 95, 150, and 220 GHz with ...

A. J. Anderson, P. A. R. Ade, Z. Ahmed… in Journal of Low Temperature Physics (2018)

Article

Tuning SPT-3G Transition-Edge-Sensor Electrical Properties with a Four-Layer Ti–Au–Ti–Au Thin-Film Stack

We have developed superconducting Ti transition-edge sensors with Au protection layers on the top and bottom for the South Pole Telescope’s third-generation receiver (a cosmic microwave background polarimeter,...

F. W. Carter, P. A. R. Ade, Z. Ahmed, A. J. Anderson… in Journal of Low Temperature Physics (2018)

Article

Optical Characterization of the SPT-3G Camera

The third-generation South Pole Telescope camera is designed to measure the cosmic microwave background across three frequency bands (centered at 95, 150 and 220 GHz) with

Z. Pan, P. A. R. Ade, Z. Ahmed, A. J. Anderson… in Journal of Low Temperature Physics (2018)

Article

Design and Assembly of SPT-3G Cold Readout Hardware

The third-generation upgrade to the receiver on the South Pole Telescope, SPT-3G, was installed at the South Pole during the 2016–2017 austral summer to measure the polarization of the cosmic microwave backgro...

J. S. Avva, P. A. R. Ade, Z. Ahmed, A. J. Anderson… in Journal of Low Temperature Physics (2018)

Article

Predictors for 1-year mortality following hip fracture: a retrospective review of 465 consecutive patients

In Europe, trauma admissions and in particular hip fractures are on the rise. In recent years, health care systems have placed particular emphasis, including financial incentives, on delivering patients quickl...

G. J. Heyes, A. Tucker, D. Marley, A. Foster in European Journal of Trauma and Emergency S… (2017)

Article

The use of ultrasonography and digital mammography in women under 40 years with symptomatic breast cancer: a 7-year Irish experience

Breast cancer in women under 40 years of age is rare and typically presents symptomatically. The optimal imaging modality for this patient group is controversial. Most women undergo ultrasonography with/withou...

C. E. Redmond, G. M. Healy, C. F. Murphy… in Irish Journal of Medical Science (1971 -) (2017)

Article

Response to dopamine in prematurity: a biomarker for brain injury?

To identify factors associated with responsiveness to dopamine therapy for hypotension and the relationship to brain injury in a cohort of preterm infants.

Z A Vesoulis, N E Ters, A Foster, S B Trivedi, S M Liao… in Journal of Perinatology (2016)

Article

Multifocal Langerhans’ cell histiocytosis: a case report

Langerhans’ cell histiocytosis (LCH) is a rare disorder of unknown aetiology, characterised by the proliferation of histiocytic cells in various tissues and organs. The role of the otolaryngologist is importan...

P. Burns, A. Foster, T. Moran, A. Blayney in Irish Journal of Medical Science (2010)

Article

Oral presentations

C. P. Herrera, H. O’Connor, C. M. Chow, N. Witcomb… in Sleep and Biological Rhythms (2009)

Article

Removal of T-Fasteners 2 Days After Gastrostomy is Feasible

T-fastener gastropexy is widely performed as part of gastrostomy insertion. The current literature recommends removal of T-fasteners at 2 weeks. We present a series of patients in whom T-fasteners were removed...

A. Foster, M. Given, E. Thornton… in CardioVascular and Interventional Radiology (2009)

Article

Poster Presentations

J. Maclean, D. Fitzgerald, D. Fitzsimons, P. Hayward… in Sleep and Biological Rhythms (2008)