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Delta Optical Thin Film

Delta Optical Thin Film A/S

MapFremtidsvej 1
2970 Horsholm
Denmark
Phone: +45 70 70 71 46
Delta Optical Thin Film manufactures optical interference filters in the wavelength range from 300 nm to 1200 nm. We are the leading supplier of high-performance Linear Variable Filters.

Our customers are manufacturers of optical instruments requiring a seamless and continuous supply of optical filters.

We help our customers remain competitive by always developing the best optical filter solution for a given application taking both performance, manufacturability, and price into account.

You will experience our informal Scandinavian culture when collaborating directly with our in-house experts with up to five decades of experience in optical filter design.

We strive to be as responsive as possible to minimize any delays in your development and manufacturing processes.

Our products are well suited for a broad range of instruments including the following:
  • Fluorescence microscopes
  • Point-of-Care instruments
  • Tunable light sources
  • General spectrometers
  • Semiconductor mask alignment
We tailor-make our products to the specific needs of our customers within the following product categories:
  • Narrow, Wide, and Multi-bandpass Filters
  • Steep edge Long-Wave Pass and Short-Wave Pass Filters
  • Notch Filters
  • Dichroic Beamsplitters including AOI tolerant Beamsplitter
  • Polarization Beamsplitters
  • Beam splitter cubes
  • Continuously aka. Linear Variable Edge and Bandpass Filters
  • Continuously aka. Variable Beamsplitters
  • Continuously aka. Variable Order Sorting Filters
In the 1960s, Delta pioneered optical monitoring techniques to control deposition.

With its proprietary and advanced design software to match customers’ particular optical specifications, Delta ensures a fast and efficient design process.

In the early 1990s Delta pioneered computer controlled optical monitoring and automatic deposition of advanced optical coatings, helping the world’s leading manufacturers of analytical instruments in setting new standards.

Already in 2005, Delta successfully managed to produce optical filters with the Ultra-Hard-Coated technology. Delta has then led the way towards an ever-increasing complexity and performance of optical filters.

How can we help you?

Delta Optical Thin FilmDelta Optical Thin FIlmDelta Optical Thin FilmDelta Optical Thin Film
Established: 2015
Employees: 20
Facility area (sq ft): 25,000
Ownership type: Privately Owned
Executives:
Poul Svensgaard, CEO
Soren Helmer Rasmussen, Sales Director
Henrik Fabricius, CTO

Company News
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Virtual Tour Through Delta Optical Thin Film A/S' New Facility
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