Dr. Senad Bulja, PhD, FIET, SMIEEE

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Home » Patents » Electrochromic cell for radio-frequency applications

Electrochromic cell for radio-frequency applications

Dr. Senad Bulja 13/03/2023Download Here

Patent number: 10033080
Type: Grant
Filed: May 7, 2014
Date of Patent: Jul 24, 2018
Patent Publication Number: 20150323576
Assignee: Alcatel Lucent (Boulogne-Billancourt)
Inventors: Senad Bulja (Dublin), Rose F. Kopf (Green Brook, NJ)
Primary Examiner: Arleen M Vazquez
Assistant Examiner: Akm Zakaria
Application Number: 14/272,190

In this invention an electrical cell that enables experimental measurements of dielectric properties of an electrochromic material in the radio-frequency range of the electromagnetic spectrum is disclosed. In an example embodiment, the electrical cell includes a layer of the electrochromic material under test that is sandwiched between a conducting base plane and a microstrip line. The conducting base plane and the microstrip line are electrically connected to a co-planar waveguide configured for application of superimposed DC-bias and RF-probe signals using a conventional probe station and a vector network analyzer. The S-parameters of the electrical cell measured in this manner can then be used, e.g., to obtain the complex dielectric constant of the electrochromic material under test as a function of frequency.  

Fig. 1 RF measurement EC cell, a) perspective view and b) top view (not to scale)
Fig. 1 RF measurement EC cell, a) perspective view and b) top view (not to scale)

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Profile & Bio

Senad Bulja, Ph.D., FIET, SMIEEE 

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PROFESSIONAL Profile

  • Accomplished career of over 19 years demonstrating consistent success as a Researcher, Leader and Mentor in the Wireless industry research environment.
  • Excellent Scientific contributions in the field of RF, EMC and telecommunications with 4 Nature Journal publications and over 70 peer-reviewed articles and conference papers
  • Strong leadership skills demonstrated by leading Ph.D. level educated cross-continental and cross-departmental teams to successful project execution.  
  • Proven Strategic Business Impact – introduced own developed technology into Nokia’s future technology roadmap (RF filters) and business transfer of the smart surface technology. 
  • Creative, internationally awarded and well-driven inventor with over 70 filed patents in the area of hardware for Radio Frequency (RF), Wireless Sensor Networks (WSN), Internet of Things (IoT) and wireless systems architectures. E.g. Nokia patent award entitled: “A top inventor in implementation patent first filings”, 2020.
  • Significant contribution in the identification of high revenue IP assets and leadership on the creation of Nokia’s patent portfolio roadmap. 
 

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