1.
A precise tungsten ring
The base is a tungsten carbide ring. Its hardness and stability make it a reliable surface for creating fine optical structures.
Some HoloRing designs look as if color has been added to the metal. In reality, there is no colored paint, print, enamel or sticker on the surface.
The holographic effect is created inside the metal surface itself. Ultrashort laser pulses form a structure so fine that it changes the way light reflects from selected areas of the ring. The result is a shifting spectral effect that depends on light, movement and viewing angle.
It is not a visual trick or a standard decorative coating. It is a physical property of the structured surface. For the deeper technical background, visit Science behind HoloRing.
There is no color layer on the ring
Most colorful jewelry gets its appearance from pigments, enamel or surface layers. Here, the visible color is not added as another material. It is produced by the metal surface after its geometry has been changed by an ultrashort-pulse laser.
That is why the ring does not behave like a printed pattern. Its appearance changes with the light source, the movement of the hand and the angle from which you look at it.
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Why the color changes
A smooth metal surface reflects light in a relatively predictable way. When the surface contains a regular structure smaller than one micrometer, light begins to behave differently.
Different wavelengths reflect in different directions, so the eye reads different colors in different conditions.
The same ring can look almost silver indoors, more vivid in direct sunlight and subtly different as the hand moves.
Eye sees ·
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How the effect is made
The process can be understood in four steps.
1.
A precise tungsten ring
The base is a tungsten carbide ring. Its hardness and stability make it a reliable surface for creating fine optical structures.
2.
An ultrashort laser pulse
The laser modifies the metal surface with a level of precision that ordinary machining cannot reach. The energy acts for an extremely short time, so only a very thin surface layer is changed.
3.
A nanostructure forms
Regular structures smaller than one micrometer are created on the surface. They are not visible to the naked eye.
4.
Light completes the effect
When light reaches that structure, it reflects differently than it would from smooth metal. The color is not made by pigment. It appears when light meets the structured surface.
1.
2.
An ultrashort laser pulse
The laser modifies the metal surface with a level of precision that ordinary machining cannot reach. The energy acts for an extremely short time, so only a very thin surface layer is changed.
3.
A nanostructure forms
Regular structures smaller than one micrometer are created on the surface. They are not visible to the naked eye.
4.
Light completes the effect
When light reaches that structure, it reflects differently than it would from smooth metal. The color is not made by pigment. It appears when light meets the structured surface.
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How small are the structures?
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- 01The scale is difficult to picture. As a rough comparison:
- 02a human hair is about 70 micrometers wide,
- 03ordinary precision machining works at the scale of micrometers,
- 04holographic structures are created at a scale smaller than one micrometer.
- 05At this scale, the surface begins to influence the behavior of visible light.
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How it looks in different light
The holographic effect is not equally visible at all times. It is usually strongest in direct sunlight or under a focused light source. In diffuse light, it can appear much quieter.
Diffuse light: the motif may look subtle, metallic and less contrasted.
- Diffuse light: the motif may look subtle, metallic and less contrasted.
- Direct light: the nanostructure can reveal stronger spectral color.
- Movement: the effect changes as the angle of incoming light changes.
This is why a holographic motif never looks exactly the same twice. Rings with this effect are gathered in the holographic rings collection.
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Is it the same as colored engraving?
No. There are several ways to create color on metal. Some rely on heat coloration, some on surface layers and some on laser marking.
HoloRing holographic motifs work differently. The color comes only from the way the nanostructure affects reflected light.
Common colored ringHoloRing
Pigment or colored layerNo pigment
Color is added to the surfaceThe effect is created in the metal structure
Appearance is usually more constantAppearance changes with light and viewing angle
Does the effect last?
Yes. It is not a layer applied on top of the ring. The optical effect is created directly in the microstructure of the metal surface.
Like any jewelry surface, however, a holographic motif is not immune to mechanical damage. Deep scratches can change the surface geometry and therefore the optical behavior. With normal wear, the effect is designed to remain long lasting.
This is one reason we use tungsten carbide. It is extremely hard and highly scratch resistant, giving the fine laser structure a stable base. For more on the material, read why tungsten works for everyday rings.
Technology with a scientific background
Holographic motifs draw on research in ultrashort laser pulses, laser micromachining and the interaction between light and materials. You can also read the broader story on the HoloRing technology page.
The aim was to bring principles known from scientific work into a ring that can be worn every day. The result is not simply decoration, but a precisely made structure hidden in the metal surface.
Head of researchIng. Petr Hauschwitz, Ph.D., MBAFounder of HoloRing and holder of world records in laser micromachining.Founder and research
Who it suits
01if you want a ring that does not feel showy,
02if you are drawn to technology and materials,
03if you want a wedding ring with an unusual character,
04if you want a motif that changes with light.
Frequently asked questions
Is the holographic effect visible all the time?
No. Its intensity depends on lighting and viewing angle. It is usually most visible in direct sunlight or under a focused light source.
Is the ring painted?
No. The colors are not created with pigments or colored layers. They result from light interacting with a nanostructure made in the metal surface.
Can the effect peel off over time?
No, not like an applied color layer. The effect is not painted on. Deep mechanical damage can still alter the surface structure and affect the appearance.
Can the holographic effect be made on any motif?
Not always. For the effect to read well, the motif has to be designed with the properties of the nanostructure in mind. Some types of artwork are better suited to this technology than others.
