Física del Plasma

Page 1

Plasma Physics Experiments Fundamental Physics and its Applications

Paschen’s law

Introduction

Paschen’s Law

Plasma is usually described as an ionized gas. In fact it is –

The set-up consists of two items: the Plasma Physics

like solids, liquids and gases – a state of aggregation.

Operating Unit (09108-99) and the Plasma Physics

There are many kinds of plasma in nature (well known

Experimental Set (09108-10).

examples are the sun and lightnings) and in technical

In the physical part, the students should verify Paschen’s

applications like plasma TVs or industrial surface treat-

law, i.e. the dependence of the breakdown voltage on the

ments. Nevertheless, students in physics or engineering

distance of the electrodes and the gas (air) pressure. Also

learn nearly nothing about this important topic.

the influence of different gases can be investigated.

So far, hands-on experiments have not been available because the equipment for treating plasmas in a research lab is very expensive and only available at few universities. The PHYWE set-up is designed to enable students to perform plasma experiments and learn about the basics and applications of plasma at an affordable price. The equipment is easy to handle and safe according to all relevant regulations. The set-up allows different kinds of experiments, which can be varied in many ways, e.g. the time, and level of difficulty can be adapted to the needs and ability of the students and

Paschen curve at 4 mbar, measured with the set-up

the supervisors.

PHYWE SYSTEME GmbH & Co. KG · Robert-Bosch-Breite 10 · D-37079 Goettingen · Phone +49/551 604-0 · Fax +49/551 604-107 · www.phywe.com


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