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20 results on '"Ahmadzadeh, Sam"'

6. Study of Amorphous Dielectric Optical 2Coatings Deposited by Plasma Ion Assisted 3Electron Beam Evaporation for Gravitational 4Wave Detectors

Author

Garcia Nunez, Carlos, primary, Wallace, Gavin, additional, Fleming, Lewis, additional, Craig, Kieran, additional, Song, Shigeng, additional, AHMADZADEH, SAM, additional, Clark, Caspar, additional, Tait, Simon, additional, Martin, Iain, additional, Reid, Stuart, additional, Rowan, Sheila, additional, and Gibson, Des, additional

Published
2023
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11. Study of Amorphous Dielectric Optical Coatings Deposited by Plasma Ion Assisted Electron Beam Evaporation for Gravitational Wave Detectors

Author

Nuñez, Carlos Garcia, primary, Wallace, Gavin, additional, Fleming, Lewis, additional, Craig, Kieran, additional, Song, Shigeng, additional, Ahmadzadeh, Sam, additional, Clark, Caspar, additional, Tait, Simon, additional, Martin, Iain, additional, Reid, Stuart, additional, Rowan, Sheila, additional, and Gibson, Des, additional

Published
2022
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12. High throughput low cost closed field magnetron sputter deposition of durable reflectors based on dielectric overcoated metal for application in non-dispersive infrared gas sensors

Author

Oliver, Greig, primary, Pomfret, Jonathan, additional, Gibson, Des, additional, Fleming, Lewis, additional, Ahmadzadeh, Sam, additional, Mcgann, Greg, additional, Song, Shigeng, additional, Navabpour, Parnia, additional, Sun, Hailin, additional, and Mackay, Peter, additional

Published
2022
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16. Low-cost hyper-spectral imaging system using a linear variable bandpass filter for agritech applications

Author

Song, Shigeng, primary, Gibson, Des, additional, Ahmadzadeh, Sam, additional, Chu, Hin On, additional, Warden, Barry, additional, Overend, Russell, additional, Macfarlane, Fraser, additional, Murray, Paul, additional, Marshall, Stephen, additional, Aitkenhead, Matt, additional, Bienkowski, Damian, additional, and Allison, Russell, additional

Published
2020
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17. Erratum: Wang et al. Optimised Performance of Non-Dispersive Infrared Gas Sensors Using Multilayer Thin Film Bandpass Filters. Coatings 2018, 8, 472

Author

Wang, Pinggui, primary, Fu, Xiuhua, additional, Gibson, Des, additional, Fleming, Lewis, additional, Ahmadzadeh, Sam, additional, Li, Cheng, additional, Muhiyudin, Manu, additional, Song, Shigeng, additional, Hutson, David, additional, Moodie, David, additional, MacGregor, Calum, additional, and Steer, Matthew, additional

Published
2019
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20. Amorphous dielectric optical coatings deposited by plasma ion-assisted electron beam evaporation for gravitational wave detectors.

Author

Nuñez CG, Wallace G, Fleming L, Craig K, Song S, Ahmadzadeh S, Clark C, Tait S, Martin I, Reid S, Rowan S, and Gibson D

Abstract

Coating thermal noise (CTN) in amorphous coatings is a drawback hindering their application in precision experiments such as gravitational wave detectors (GWDs). Mirrors for GWDs are Bragg's reflectors consisting of a bilayer-based stack of high- and low-refractive-index materials showing high reflectivity and low CTN. In this paper, we report the characterization of morphological, structural, optical, and mechanical properties of high-index materials such as scandium sesquioxide and hafnium dioxide and a low-index material such as magnesium fluoride deposited by plasma ion-assisted electron beam evaporation. We also evaluate their properties under different annealing treatments and discuss their potential for GWDs.

Published
2023
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