M.G. Jubber

University of Glasgow

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On-wafer W-band determination of the driving point impedance of a double slot antenna

IG Thayne D.L. Edgar K. Elgaid Harold M. H. Chong M.G. Jubber

Part of the ESTEC funded Integrated Antenna Development project includes the development of an optimised 500 GHz planar antenna on a dielectric lens. One aspect of this study involves the development of an accurate model for the antenna impedance at the point where a bolometric detector is inserted in the receiver. To verify the modelling, an on-wafer measurement strategy to determine the driving point impedance of a 100 GHz scale model of the antenna structure was developed. This paper describes the W-band on-wafer measurement technique and compares the experimentally and theoretically derived feed point impedances of the antenna structures.

10.1049/ic:19990026

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Photo-ionisation threshold yields for the pulsed laser irradiation of diamond films at 266 nm

Diamond and Related Materials (1993)

P. John D.K. Milne Gerry P. Smith M.G. Jubber J.I.B. Wilson

10.1016/0925-9635(93)90153-s

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Citations (6)

Photo-oxidation of amorphous silicon-carbon alloys and its use in field effect transistors

Journal of Non-Crystalline Solids (1989)

John I. B. Wilson A. Qayyum Saad Al-Sabbagh M.G. Jubber P. John

Deposition

Carbon fibers

Amorphous carbon

10.1016/0022-3093(89)90368-2

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Citations (5)

Silicon PBG crystals for 100GHz and 500GHz

J.M. Arnold AL Reynolds Harold M. H. Chong IG Thayne J. M. Bonar

Source

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Citations (2)

Abstracts for December 1996 Journal of Materials Research

MRS Bulletin (1996)

Jing Wen S. Mahajan H. Ohtsuka T. Morishita N. Koshizuka

10.1557/s0883769400031717

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Epitaxy of diamond on silicon

Diamond and Related Materials (1995)

D.K. Milne Peter G. Roberts P. John M.G. Jubber M. Liehr

10.1016/0925-9635(94)05312-x

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Citations (33)

Polymer/Silica Hybrid Waveguide Devices

Optical Fiber Communication Conference (2005)

Tony C. Kowalczyk William K. Bischel M.G. Jubber H.F. Bulthuis

We discuss the performance merits associated with the development of glass-polymer hybrid components. We describe the status and future prospects of hybrid components that include hybrid (athermal) arrayed waveguide grating devices and other building blocks for achieving higher integration levels.

Arrayed waveguide grating

Waveguide

Hybrid material

Source

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Citations (1)

Shallow Angle X‐Ray Diffraction from As‐Deposited Diamond Thin Films

Journal of The Electrochemical Society (1996)

J. S. Rigden T. M. Burke Robert J. Newport J.I.B. Wilson M.G. Jubber

We demonstrate the method of diffraction at shallow angles of incidence, using the intrinsically highly collimated x‐ray beam generated by a synchrotron source, through the study of diamond thin films in their as‐deposited (i.e., on substrate) state. As the incident angle is decreased, scattering from the diamond film can be isolated as contributions from the substrate are reduced. Diamond films deposited onto both silicon and steel substrates have been examined, evidence of an interfacial region between the film and silicon wafer has been observed, and conventional transmission x‐ray diffraction has been used as a complement to the shallow angle results from the films deposited on steel.

Collimated light

10.1149/1.1836577

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Citations (1)

Deep, vertical etching of hi-silica films for optical waveguide applications

A.J. McLaughlin J.R. Bonar M.G. Jubber P. V. S. Marques S. E. Hicks

Waveguide

Optical materials

10.1109/cleo.1997.603515

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Citations (1)

Modelling of self-limiting laser ablation of rough surfaces: application to the polishing of diamond films