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Gergely Simon, Application Engineer at OnScale

Gergely Simon, Application Engineer at OnScale

Gergely Simon is an Application Engineer at OnScale. He received his MSc in Smart Systems Integration from Heriot-Watt University. As part of our engineering team Gergely assists with developing applications, improving our existing software and providing technical support to our customers.

Recent Posts:

Fundamental Modes of Operation of Piezoelectric Devices

In the previous two blog posts the physical basis of piezoelectricity and the main groups of materials were presented, focusing on the selection of a material for a specific purpose. In this blog post we discuss in what configuration piezoelectric materials can be used and illustrate some example device structures.

What are important piezoelectric material properties?

In the previous blog post a grouping of piezoelectric materials was given into three categories: crystalline structures, engineered perovskite-like ceramics, and polymers. In this blog post a comparison of these groups is provided to aid the reader choosing a suitable material for a specific application.

How Piezoelectricity Works

In this first blog post of the piezoelectrics series, a brief overview is provided on the fundamentals of the phenomenon. Piezoelectric materials allow conversion of energy from the mechanical domain to the electrical domain and vice versa. They can be used to create various sensors or actuators: applied periodic electrical signal can result in the generation of ultrasonic waves for imaging purposes; stresses, such as observed for a cantilever suspending a mass in an accelerometer can be translated to electrical signals.

Simulating Evanescent Coupling in Silicon Photonics Devices

Traditional high data rate communication realized by electric components – such as A/D converters, encoders, modulators, amplifiers, processors and similar integrated circuits – faces a challenge as further increase of frequency would result in cooling problems due to the generated amount of thermal energy in the form of Joule heating. An alternative approach is light-based information transfer in guided structures, such as optical fibers. However, optical fibers occupy relatively large spaces due to the limited minimum size of bends allowed by the small refractive index difference between the wave guiding core and the outer cladding.

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