Optical interferometer measurements

RESEARCH SERVICES

Precise surface analysis at the highest resolution

A laser interferometer is a super-precise device that uses the phenomenon of light wave interference to measure very small distances, changes in position or vibrations. It is used in physics, engineering and metrology.

What can be measured with a laser interferometer?
- Tiny shifts and vibrations – With nanometer precision!
- Wavelengths of light – For calibrating optical instruments.
- Surface irregularities – In precision metalworking and electronics manufacturing.

Interferometer specification:
• Laser accuracy: ±0.5 ppm (parts per million)
• Measurement range: up to 80 meters
• Measurement resolution: 1 nm

Details:
• Linear and angular error measurement
• Straightness and perpendicularity analysis
• CNC system diagnostics
• Dynamic tests (vibrations, positioning)

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Measurements

How does a laser interferometer work?

- Light source – At first, we have a laser that emits a coherent beam of light with a single wavelength.
- Beam splitting – The light hits a beam splitter (e.g. a semi-transparent mirror), which divides it into two parts that follow different paths.
- Reflection and recombination – Both beams bounce off the mirrors and return to the point where they meet.
- Interference – Since light is a wave, its two parts can amplify (constructive interference) or cancel each other out (destructive interference), depending on the difference in their optical paths.
- Analyzing the results – The detector records the interference result, and changes in the system (e.g. moving one of the mirrors) cause changes in the interference pattern that can be measured very precisely.

Quick data
analysis

Versatile applications

Non-contact method

Nanometer precision

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Technology tailored to your needs!

  • Precise and advanced methods of material analysis
  • Effective optimization of technological processes
  • An individual approach to the needs of each project
  • Comprehensive expert support and technical advice
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