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geomatic Beam Expanders
Some of the best optics are from Japan. GEOMATEC, a leading optics manufacturer in Japan, is now available in the US market. GEOMATEC makes high precision F-Theta lenses and beam expanders to rival the best in the world. As a leader in Japan, they have economies of scale which translates to competitive prices. Lead time is normally less than two weeks for standard models.

The first step in matching the source to your scan head is expanding (or shrinking) the beam. This seemingly simple step is sometimes overlooked as a place to get into trouble. If the beam expander introduces distortion, it will downgrade system performance no matter how good the other optics are. The Geomatec zoom expander is especially noteworthy as a zoom optic with very low beam distortion. The fixed expanders are terrific value for money. All the fixed expanders are the same size so if your source beam diameter changes it is a simple matter to swap an expander with a different power.

“I became aware of GEOMATEC through my business relationships in Japan. I met with a GEOMATEC lens designer, personally observed the consistent spot size across the scan field and spoke to some of their Asian customers. I became convinced of the product quality so I requested authorization to introduce these high precision laser scanning optics in the US.”
George Helser, President, Precision Laser Scanning, LLC

Geomatic Features & Benefits

  • Superior optical coatings for high light transmission.
  • Superior optics for low beam shape error.
  • Very compact housing, all fixed beam expanders are the same size.
  • Easy to adjust for beam divergence
  • Two week lead time on standard optics.


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