Beam Shaper 510

Beam Shaper for Holography

There are plenty solutions for laser beam shaping, but only ours is specifically designed for holography. All you need is Geola’s Beam Shaper and three lenses that you probably already have in your workshop, or we will be glad to supply you lenses as well – complete kit containing Geola’s Beam Shaper and three lenses will certainly help your holograms to have even brightness through all the surface.

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Ever wondered why your holograms are brighter in the center and dimmer at edges? – Well that happens because your laser beam shape is Gaussian and photoplate is not illuminated evenly.

Top Hat Laser Beam Distribution That You Will Have After Purchasing Geola Beam Shaper Kit
Gaussian Laser Beam Distribution That You Probably Have In Your Setup

There are plenty solutions for laser beam shaping, but only ours is specifically designed for holography. All you need is Geola’s Beam Shaper and three lenses that you probably already have in your workshop, or we will be glad to supply you lenses as well – complete kit containing Geola’s Beam Shaper and three lenses will certainly help your holograms to have even brightness through all the surface.

On the picture is shown beam-shaping optical setup and in the table are shown Telescope’s lenses optical powers for various laser beam diameters. Third lens defines the divergence of shaped laser beam, so if you will order complete kit from Geola, please specify the divergence needed.

Optical Scheme
Laser beam diameter (mm)
Optical power of negative lens (Dpt)  Optical power of positive lens (Dpt)
0.5 -10 0.91
1 -5 0.83
1.5 -3.3 0.77
2 -2.5 0.71
2.5 -2 0.67
3 -1.7 0.63
3.5 -1.4 0.59
4 -1.25 0.56

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