Snake beam: a paraxial arbitrary focal line
Optics Letters, Vol. 20, Issue 20, pp. 2042-2044 (1995)
http://dx.doi.org/10.1364/OL.20.002042
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Abstract
The creation of paraxial arbitrary focal lines by a Fourier computer-generated hologram is demonstrated. The desired focal line is represented by a series of connected straight line segments, each of which is implemented by a radial harmonic function located on a different radial portion of the entire hologram. Each subhologram is multiplied by appropriate linear and quadratic phase functions and is shifted by some distance from the center. The two phase factors determine the location of each line segment, while the in-plane shift determines the tilt angle of the segment.
© 1995 Optical Society of America
Citation
Joseph Rosen and Amnon Yariv, "Snake beam: a paraxial arbitrary focal line," Opt. Lett. 20, 2042-2044 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-20-2042
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