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Module: Anwendungen

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Branching Point: Applications. The practical heritage

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Branching Point: Laser applications

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Slide: Lasers in the industrial fabrication

Branching Point: Lasers in industry

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Slide: Keyboards

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Slide: Miniwatt bulb

Slide: Contacting: multiple pole strip

Slide: Electro-mechanical switches

Slide: Precise positioning of electro-optical connections

Slide: Protecting gas inclusion

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Slide: Control grids for broadcasting valves

Slide: Laserdrilling (contacting)

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Slide: Relay adjustment

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Branching Point:

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Slide: Messengers on foot or horseback and carrier pigeons ...

Slide: The "Rhineland cable", ...

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Slide: Modern traffic streams ...

Slide: 'Explosion' of the internet ...

Slide: 'Vehicles' at the data highway ...

Slide: Congestions at the data highway ...

Slide: Optical distributors ...

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Slide: Lasers in medical techniques

Slide: Operation

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Branching Point: Satellite navigation

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Slide: Classical navigation - sextant

Slide: Satellite navigation

Slide: Who observes whom?

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Slide: "Navigation error" - what does this mean in practice?

Slide: Error source: time measurement

Slide: Clock synchronization

Slide: Atmospheric effects

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Slide: Time dilation

Slide: Clocks in the gravitational field

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Slide: Global Positioning System (GPS) - details

Slide: Global Positioning System (GPS) - a few technical parameters

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Slide: European Geostationary Navigation Overlay Service (EGNOS)

Slide: Galileo System

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Slide: From seafaring to satellite navigation

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Branching Point: From solar radiation to electrical current

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Slide: Edmond Alexandre Becquerel, ...

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Protecting gas inclusion

To avoid corrosion in certain laser optical modules, a protecting gas is enclosed. Their cover must therefore be hermetically welded.

The Nd:YAG laser of such a plant places 40 overlapping welding points per second here at a span of 10 millimetres.

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