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Proceedings Paper

Fabrication of hybrid optical structure by direct machining
Author(s): T. Saastamoinen; J. Väyrynen; J. Mutanen; P. Pääkkönen; T. Itkonen; K. Mönkkönen; M. Kuittinen
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Paper Abstract

A Moore 350FG 5-axis ultra precision machine tool platform with diamond tooling was used to generate v-shaped diffractive pattern on a refractive sinusoidal shaped structure. The refractive surface behaves like a cylindrical lens and the diffraction grating stretches the line focuses generated by the refractive surface. The structure was machined on an electroless nickel insert. The design and the simulation of the hybrid structure were performed using ray tracing and exact electromagnetic theory. The response of the grating was calculated by using Fourier modal method and the data was used in ZEMAX to calculate the amplitude and the phase of the diffracted rays.

Paper Details

Date Published: 14 February 2011
PDF: 10 pages
Proc. SPIE 7927, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics IV, 792713 (14 February 2011); doi: 10.1117/12.873528
Show Author Affiliations
T. Saastamoinen, Univ. of Eastern Finland (Finland)
J. Väyrynen, North Karelia Univ. of Applied Sciences (Finland)
J. Mutanen, Univ. of Eastern Finland (Finland)
P. Pääkkönen, Univ. of Eastern Finland (Finland)
T. Itkonen, Univ. of Eastern Finland (Finland)
K. Mönkkönen, North Karelia Univ. of Applied Sciences (Finland)
M. Kuittinen, Univ. of Eastern Finland (Finland)

Published in SPIE Proceedings Vol. 7927:
Advanced Fabrication Technologies for Micro/Nano Optics and Photonics IV
Winston V. Schoenfeld; Jian Jim Wang; Marko Loncar; Thomas J. Suleski, Editor(s)

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