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Related Experiment Video

Updated: Mar 20, 2026

Design and Fabrication of an Optical Fiber Made of Water
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Design and Fabrication of an Optical Fiber Made of Water

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A highly versatile optical fibre vacuum feed-through.

Ian A Davidson1, Hatim Azzouz1, Klaus Hueck1

  • 1Department of Physics, Stockholm University, S-10691, Stockholm, Sweden.

The Review of Scientific Instruments
|June 3, 2016
PubMed
Summary
This summary is machine-generated.

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We developed a simple, low-cost optical fiber vacuum feed-through. This demountable device offers low optical loss and a high vacuum leak rate, suitable for scientific applications.

Area of Science:

  • Physics
  • Vacuum Technology
  • Optical Engineering

Background:

  • Coupling light into vacuum systems necessitates specialized feed-throughs.
  • Existing feed-throughs must be leak-tight and minimize optical loss for broad applicability.

Purpose of the Study:

  • To develop a versatile, low-cost, demountable optical fiber vacuum feed-through.
  • To address the challenges of light coupling in vacuum systems with a novel design.

Main Methods:

  • Modification of a standard optical fiber bulkhead connector.
  • Testing the modified connector for vacuum leak rate and optical loss.

Main Results:

  • Achieved a leak rate of 6.6 ± 2.1 × 10(-6) mbar l/s.

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  • Measured an optical loss of -0.41 ± 0.28 dB.

    • Conclusions:

    • The developed optical fiber vacuum feed-through is simple, versatile, and cost-effective.
    • The low leak rate and optical loss make it suitable for high vacuum applications.