All-fiber Mach-Zehnder interferometer

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SUMMARY

The discussion focuses on building a fiber-based Mach-Zehnder interferometer, emphasizing the challenges of achieving equal arm lengths using commercially available fiber and couplers. Participants share insights on the sensitivity of the interferometer to environmental factors such as vibrations and temperature changes. Additionally, a reference is provided to an Insights article on the fundamentals of interferometry, which includes relevant concepts like Fresnel coefficients.

PREREQUISITES
  • Understanding of Mach-Zehnder interferometer design
  • Familiarity with fiber optic components and couplers
  • Knowledge of environmental factors affecting interferometry
  • Basic principles of Fresnel coefficients in optics
NEXT STEPS
  • Research techniques for achieving equal arm lengths in fiber-based interferometers
  • Explore methods for minimizing sensitivity to vibrations in optical setups
  • Study the impact of temperature variations on interferometer performance
  • Learn about advanced interferometry concepts through the referenced Insights article
USEFUL FOR

Experimental physicists, optical engineers, and researchers interested in building and optimizing fiber-based interferometers.

boxfullofvacuumtubes
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Experimentalists, would you mind sharing your experience building a fiber-based Mach-Zehnder interferometer? What equipment did you use? How hard is it to achieve the same length of both arms with the fiber and couplers that you can buy online? And how sensitive is the resulting interferometer to vibrations, temperature changes, etc.?
 
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I do have one input that you might find useful, basically about interferometry, including the use of Fresnel coefficients in interferometry, that you might find useful. About a year ago, I wrote an Insights article for Physics Forums which discusses the fundamentals of interferometry: https://www.physicsforums.com/insights/fabry-perot-michelson-interferometry-fundamental-approach/ ## \\ ## As for the case of an interferometer that uses fiber optic components, I don't have any experience with that particular application.
 

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