Optically sensed EM-field probes for pulsed fields

Article Abstract:

Advances in the area of photonic probes that makes them better able to measure pulsed electromagnetic fields are discussed. Photonic probes feature the wide bandwidth and low dispersion necessary to allow amplitude and phase information to be measured by a signal processor such as an oscilloscope. Photonic probes offer other advantages as well: they are extremely durable, they can often be manufactured from dielectric materials, and they inject minimal electromagnetic interference and perturbation into the field being measured. Probes for pulsed fields and ways in which probe performance and flexibility can be improved are discussed.

Research, Electromagnetic fields, Photonics, Technical, Electrical engineering, Antennas

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Air atomiser revolutionises humidity control

Article Abstract:

Spraying Systems' new AirJet Fogger is able to produce dry fog without wetting. Drop sizes can be adjusted to meet specific requirements, and the system produces 10 times more droplets than a conventional nozzle. It links water with air in four separate stages, and is supplied with standard mains water pressure. Applications include textile manufacture humidification and ceramic curing.

Product development, Product information, Spray nozzles, Spraying Systems Co.

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Snakes or paychecks: is that the question?

Article Abstract:

Job creation cannot always be used to justify the economic benefits of environmentally destructive projects. In many cases, the benefits created by such projects are soon erased by the problems brought about by the long-term damage done to the environment.

Editorial, Analysis, Economic aspects, Beliefs, opinions and attitudes, Environmental protection, Environmentalists, Environmental activists, Job creation

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