SCUBA-2: A large-format TES array for submillimetre astronomy

Audley, M. D.; Holland, W. S.; Duncan, William; Atkinson, David; Cliffe, M.; Ellis, Maureen A.; Gao, Xiaofeng; Gostick, David C.; Hodson, T.; Kelly, Dennis; MacIntosh, Michael J.; McGregor, Helen; Peacocke, T.; Robson, Ian; Smith, I. A.; Irwin, K. D.; Hilton, G. C.; Ullom, Joel N.; Walton, A.J.; Dunare, Camelia; Parkes, W.; Ade, Peter A. R.; Bintley, Dan; Gannaway, F.; Griffin, Matthew Joseph; Pisano, G.; Sudiwala, R.; Walker, I. K.; Woodcraft, A.; Fich, M.; Halpern, M.; Mitchell, G. F.; Naylor, David; Bastien, Pierre

doi:10.1016/j.nima.2003.11.378

Cited by 22 publications

(11 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This current deficit pulse is read out with a SQUID amplifier. Various groups are developing TESs for submillimeter, optical/UV, and X-ray work [7,8,9].…”

Section: Introduction To Low Temperature Detectorsmentioning

confidence: 99%

Microwave Kinetic Inductance Detectors

Mazin

2021

The WSPC Handbook of Astronomical Instrumentation

View full text Add to dashboard Cite

This work would have been impossible without the patient help of this technology's inventors, Professor Jonas Zmuidzinas and Dr. Rick LeDuc. Professor Zmuidzinas unparalleled understanding of the issues involved in all stages of the project is remarkable, and I am grateful for the time and effort he has patiently put into helping me understand this complex field. It seems that many successful efforts in low temperature detectors depend not only on cleverness of concept but also in actually fabricating the devices you envision; I am very glad we had Dr. LeDuc's expert hand guiding the mask design and fabrication process.Dr. Peter Day has greatly contributed to both the data and theory efforts, running a parallel effort at JPL. Many of the good ideas dealing with the cryogenics and thinking about the data are his. Also involved were Anastasios Vayonakis, who developed the 50 GHz low-pass filters and calculated the radiation loss, and Dr. Peter Mason, who has helped out with the cryogenics. Professor Sunil Golwala has helped me to understand the intricacies of dark matter detection. Jiansong Gao and Shwetank Kumar have helped with the simulation and design of the etched CPW devices.

show abstract

“…This current deficit pulse is read out with a SQUID amplifier. Various groups are developing TESs for submillimeter, optical/UV, and X-ray work [7,8,9].…”

Section: Introduction To Low Temperature Detectorsmentioning

confidence: 99%

Microwave Kinetic Inductance Detectors

Mazin

2021

The WSPC Handbook of Astronomical Instrumentation

View full text Add to dashboard Cite

show abstract

“…A sub-array is contained in a sub-array unit which provides electrical and mechanical interfaces between the sub-array and the instrument, as well as a circuit board maintained at a temperature of approximately 1 K. A brief description is given here; more detail can be found elsewhere. 7,8 The layout of a sub-array unit is shown in Figure 1. The sub-array itself is formed from a detector wafer 9, 10 (shown in Fig.…”

Section: Description Of the Arraymentioning

confidence: 99%

Characterization of a prototype SCUBA-2 1280-pixel submillimetre superconducting bolometer array

et al. 2006

View full text Add to dashboard Cite

We present the results of characterization measurements on a 1280 pixel superconducting bolometer array designed for operation at wavelengths around 450 µm. The array is a prototype for the sub-arrays which will form the focal plane for the SCUBA-2 sub-mm camera, being built for the James Clerk Maxwell Telescope (JCMT) in Hawaii. With over 10 000 pixels in total, it will provide a huge improvement in both sensitivity and mapping speed over existing instruments. The array consists of molybdenum-copper bi-layer TES (transition edge sensor) pixels, bonded to a multiplexer. The detectors operate at a temperature of approximately 175 mK, and require a heat sink at a temperature of approximately 60 mK. In contrast to previous TES arrays, the multiplexing elements are located beneath each pixel (an "in-focal plane" configuration). We present the results of electrical and optical measurements, and show that the optical NEP (noise equivalent power) is less than 1.4 × 10 −16 W Hz −0.5 , and thus within the requirement of 2.9 × 10 −16 W Hz −0.5 .

show abstract

“…T RANSITION Edge Sensors (TES) used as microcalorimeters or bolometers are at the base of cryogenic radiation detectors in a wide range of frequencies, from millimeter waves [l]- [3] to gamma-rays [4]- [6]. These superconducting sensors, operated in the transition temperature region (usually ~100 mK), provide a sensitivity that can be two orders of magnitude higher than that for detectors based on semiconductor thermistors [7].…”

Section: Introductionmentioning

confidence: 99%

Characterization of a Mo/Au Thermometer for ATHENA

Parra-Borderías

Fernández-Martínez

Fàbrega

et al. 2013

IEEE Trans. Appl. Supercond.

View full text Add to dashboard Cite

Abstract-The first dark characterization of a thermometer fabricated with our Mo/Au bilayers to be used as a transition edge sensor is presented. High-quality, stress-free Mo layers, whose thickness is used to tune the critical temperature (2c) down to 100 mK, are deposited by sputtering at room temperature (RT) on SÍ3N4 bulk and membranes, and protected from degradation with a 15-nm sputtered Au layer. An extra layer of high-quality Au is deposited by ex situ e-beam to ensure low residual resistance. The thermometer is patterned on a membrane using standard photolithographic techniques and wet etching processes, and is contacted through Mo paths, displaying a sharp superconducting transition (a « 600). Results show a good coupling between Mo and Au layers and excellent Tc reproducibility, allowing to accurately correlate <1MO an d Tc-Since d^u is bigger than |M for all analyzed samples, bilayer residual resistance can be modified without affecting Tc-Finally, first current to voltage measurements at different temperatures are measured and analyzed, obtaining the corresponding characterization parameters.

show abstract

SCUBA-2: A large-format TES array for submillimetre astronomy

Cited by 22 publications

References 1 publication

Microwave Kinetic Inductance Detectors

Microwave Kinetic Inductance Detectors

Characterization of a prototype SCUBA-2 1280-pixel submillimetre superconducting bolometer array

Characterization of a Mo/Au Thermometer for ATHENA

Contact Info

Product

Resources

About