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Steven Davies

Dr

  • 3 WEST 4.20

20012011
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Personal profile

Research interests

Biographical Information

  • Senior Lecturer/Lecturer, University of Bath 1995-
  • Senior Research Fellow/Senior Experimental Officer/PDRA, University of Kent 1986-1995
  • PGRA, University of Kent 1982-1986
  • PhD (Kent) 1986
  • MSc (Leicester) 1981
  • BSc (Sheffield) 1980

Research Interests

My research interests involve the design and construction of front-end instrumentation for millimetre-wave molecular line astronomy and the fabrication of micromachined detector devices required for such instrumentation. A long term collaboration with the University of Kent and the Rutherford Appleton Laboratory led to the development of three superconducting mixer receivers, spanning 210-510 GHz, which all operated as facility instruments on the James Clerk Maxwell Telescope, Hawaii. We have recently finished the construction of an 810 GHz receiver for the TIRGO telescope on the Gornergrat, Switzerland.

Other applications at terahertz frequencies are waiting for cost-effective technology to become available. For both specialised scientific applications such as astronomy and mass-market applications such as communications, it is evident that future generations of instrumentation will require a more integrated approach to device fabrication. I am interested in the use of microfabrication and micromachining methods to make not just high frequency devices, but also the embedding circuits in which they are mounted.

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  • 5 Similar Profiles
Frequency multiplying circuits Engineering & Materials Science
Waveguides Engineering & Materials Science
Foundries Engineering & Materials Science
Diodes Engineering & Materials Science
Frequency doublers Engineering & Materials Science
Monolithic microwave integrated circuits Engineering & Materials Science
waveguides Physics & Astronomy
fabrication Physics & Astronomy

Projects 2001 2004

The Royal Society/Wolfson Foundation

Bending, S., Laughton, F., Snow, P., Nogaret, A., Wang, W., Knight, J., Birks, T. A., Russell, P. S., Andrews, S. & Davies, S.

1/07/0130/06/04

Project: UK charity

Research Output 2001 2011

45 Citations (Scopus)

A single-waveguide in-phase power-combined frequency doubler at 190 GHz

Siles, J. V., Maestrini, A., Alderman, B., Davies, S. R., Wang, H., Treuttel, J., Leclerc, E., Narhi, T. & Goldstein, C., Jun 2011, In : IEEE Microwave and Wireless Components Letters. 21, 6, p. 332-334 3 p.

Research output: Contribution to journalArticle

Frequency doublers
Waveguides
waveguides
frequency multipliers
Frequency multiplying circuits

Microwave power generation by magnetic superlattices

Littlejohn, S., Nogaret, A., Davies, S. R., Henini, M., Beere, H. E. & Ritchie, D. A., 12 Dec 2011, In : Applied Physics Letters. 99, 24, 3 p., 242107.

Research output: Contribution to journalArticle

Open Access
File
superlattices
microwaves
spin resonance
magnetic fields
electron spin

Single-waveguide power-combined multipliers for next generation LO sources above 100 GHz

Siles, J. V., Maestrini, A., Davies, S., Alderman, B. & Wang, H., 2010, 5th European Microwave Integrated Circuits Conference (EuMIC), 2010. Piscataway, U. S. A.: IEEE, p. 234-237 4 p. 5613681

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frequency multiplying circuits
Waveguides
Micromachining
Monolithic microwave integrated circuits
Foundries

Single-waveguide power-combined multipliers for next generation LO sources above 100 GHz

Siles, J., Maestrini, A. & Davies, S., Sep 2010, p. 234-237. 4 p.

Research output: Contribution to conferencePaper

Frequency multiplying circuits
Waveguides
Micromachining
Monolithic microwave integrated circuits
Foundries

A 380 GHz sub-harmonic mixer using MMIC foundry based Schottky diodes transferred onto quartz substrate

Treuttel, J., Thomas, B., Maestrini, A., Wang, H., Alderman, B. & Davies, S., Apr 2009, p. 251-254. 4 p.

Research output: Contribution to conferencePaper

Foundries
Diodes
Substrates
Quartz
Semiconductor materials

Thesis

Integrated Subharmonic Planar Schottky Diode Mixers for Submillimetrewave Applications

Author: Rollin, J. M., 1 Nov 2006

Supervisor: Davies, S. (Supervisor)

Student thesis: Doctoral ThesisPhD

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