Polarization interferometer using Liquid Crystalline Polymer waveplate for wavelength measurement

Authors

  • Pawel Wierzba Gdansk University of Technology
  • Adam Mazikowski Gdansk University of Technology

DOI:

https://doi.org/10.4302/photon.%20lett.%20pl.v7i4.610

Abstract

Two-beam polarization interferometer for measurement of the change of the wavelength of a tunable semiconductor laser was designed built and tested. This interferometer uses a λ/8 waveplate made from Liquid Crystalline Polymer in order to generate two output signals in quadrature. The λ/8 waveplate can be manufactured either on a beamsplitter face or on the mirror surface, reducing the cost and complexity of the optomechnical assembly. Experiment results show that resolution of 2pm was attained for the wavelength range 628-635nm. The range of operation of such interferometer can be extended if wavelength-dependent Heydemann correction is used.

Full Text: PDF

References
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Author Biographies

Pawel Wierzba, Gdansk University of Technology

Research scientist at the Department of Metrology and Optoectronics, Faculty of Electronics, Telecommunication and Informatics of the Gdańsk University of Technology

Adam Mazikowski, Gdansk University of Technology

Research scientist at the Department of Metrology and Optoectronics, Faculty of Electronics, Telecommunication and Informatics of the Gdańsk University of Technology

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Published

2015-12-31

How to Cite

[1]
P. Wierzba and A. Mazikowski, “Polarization interferometer using Liquid Crystalline Polymer waveplate for wavelength measurement”, Photonics Lett. Pol., vol. 7, no. 4, pp. pp. 100–102, Dec. 2015.

Issue

Vol. 7 No. 4 (2015)

Section

Articles

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