Refractive index matched half-wave plate with a nematic liquid crystal for three-dimensional laser metrology applications

• Autorzy: Piecek W. , Jaroszewicz L. R. , Miszczyk E. , Raszewski Z. , Mrukiewicz M. , Perkowski P. , Nowinowski-Kruszelnicki E. , Zieliński J. , Olifierczuk M. , Kędzierski J. , Sun X. W. , Garbat K. , Kowiorski K. , Morawiak P. , Mazur R. , Tkaczyk J.

Identyfikatory

DOI

10.1515/oere-2016-0023

• Języki publikacji: EN

Abstrakty

EN

There exists a need in a quality and accuracy of a three-dimensional laser metrology operating in numerically controlled automatic machines. For this purpose, one sends three laser beams mutually perpendicular. These three beams of the wavelength λ = 0.6328 μm are generated by the same laser and are directed along three independent, orthogonal, mutually perpendicular, optical paths with a given light polarization plain. Using these beams, constituting the frame of coordinates, three independent laser rangefinders are able to determine spatial coordinates of a working tool or a work piece. To form these optical pulses, a special refractive index matched Half-Wave Plate with nematic Liquid Crystal (LCHWP) was applied. The presented half-wave plate is based on a single Twisted Nematic (TN) cell (with the twist angle φ = π/2) of a rather high cell gap d ~15 μm filled with a newly developed High-Birefringence Nematic Liquid Crystal Mixture (HBLCM) of optical anisotropy as high as ∆n ~0.40 at λ = 0.6328 μm, where the Mauguin limit above 5.00 ~ ∆nd >> λ/2 = 0.32 is fulfilled.

Słowa kluczowe

EN

liquid crystal; half-wave plate; twisted nematic; laser metrology

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2016
• Tom: Vol. 24, No. 4
• Strony: 169--182
• Opis fizyczny: Bibliogr. 35 poz., rys., wykr.

Twórcy

autor

Piecek W.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Jaroszewicz L. R.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Miszczyk E.

• University of Technology and Humanities in Radom (UTH) 26-600 Radom, Poland

autor

Raszewski Z.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Mrukiewicz M.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Perkowski P.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Nowinowski-Kruszelnicki E.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Zieliński J.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Olifierczuk M.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Kędzierski J.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Sun X. W.

• Nanyang Technological University (NTU), 639798 Singapore

autor

Garbat K.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Kowiorski K.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Morawiak P.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Mazur R.

• Military University of Technology (MUT), 00-908 Warsaw, Poland

autor

Tkaczyk J.

• Wrocław University of Technology (WUT), 50-370 Wroclaw, Poland

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