Holography in the netherlands, homemade hologramms by kris meerlo

HOLOGRAPHY.NL

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TECHNICAL

The principles

A laser beam is split into two separate

beams - a reference beam and an object beam.

The reference beam shines directly on the holo

plate, the object beam reaches the holoplate

after reflection with the object.

At the holoplate interference between the two

laserbeams takes place and a fringe pattern is

formed.

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Laser diode 50 mw

HeNe laser, 2 meter long

This pattern is only visible after the chemical

development process.

When you illuminate a developed holoplate

with normal white light or with laser light, the

three dimensional image will appear

Temperature controller

Temperature controlled laser diode

THE TECHNIQUE

At home I work with a diversity of lenses and mirrors.

A HeNe laser 50 mw (Spectra-Physics 125), a 50 mw

laserdiode,and a 100 mw green laser (Coherent Compass

DPSS C315M).

All this equipment is not needed for making simple

holograms - it can be done much more simply and cheaply.

Developer chemistry

Developing a holographic plate is similar to

the process of developing black and white film.

There are several methods.

I usually work with pyrogallol and sodium carbonate

to develop and potassium dichromate for bleaching.

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[ Omhoog ] [ technical ] [ the holo lab ] [ gallery ] [ links ] [ contact ] [ for sale ] [ workshops ]

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