Tunable sinusoidal Phase Gratings and sinusoidal Phase Zone Plates

Abstract

We disclose the use of a suitable pair of phase-only masks for generating sinusoidal phase gratings, or sinusoidal phase zone plates, with tunable optical path delays. We show that these gratings can have either 1-D structure or a 2-D radial structure. Full Text: PDF ReferencesB. Berge and J. Peseux, "Variable focal lens controlled by an external voltage: An application of electrowetting", Eur. Phys. J. E 3, 159-163 (2000). CrossRef H. W. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, "Tunable-focus flat liquid crystal spherical lens", Appl. Phys. Lett. 84, 4789-4791 (2004). CrossRef T. Martinez, D. V. Wick, D. M. Payne, J. T. Baker, and S. R. Restaino, "Non-mechanical zoom system", Proc. SPIE 5234, 375-378 (2004). CrossRef D. Y. Zhang, N. Justis, and Y. H. Lo, "Fluidic adaptive zoom lens with high zoom ratio and widely tunable field of view", Opt. Commun. 249, 175-182 (2005). CrossRef B. H. W. Hendriks, S. Kuiper, M. A. J. Van As, C. A. Renders and T. W. Tukker, "Electrowetting-Based Variable-Focus Lens for Miniature Systems", Opt. Rev. 12, 255-259 (2005). CrossRef M. Duocastella and C. B. Arnold, "Enhanced depth of field laser processing using an ultra-high-speed axial scanner", Appl. Phys. Lett. 102, 06113-1--06113-3 (2013). CrossRef Jorge Ojeda-Casta-eda, José Enrique A. Landgrave and Cristina M. Gómez-Sarabia, "Conjugate phase plate use in analysis of the frequency response of imaging systems designed for extended depth of field", Appl. Opt. 47, E99 (2008). CrossRef A.W. Lohmann, British Patent 998, 191 (May 29, 1964).A.W. Lohmann, Republic Française 1, 398, 351 (June 10, 1964).A.W. Lohmann, Italy Patent 727, 848 (June 19, 1964).A.W Lohmann, "A New Class of Varifocal Lenses", Appl. Opt. 9, 1669 (1970). CrossRef L.W. Alvarez, U.S. patent 3,305,294 (21 February 1967).L.W. Alvarez , W. E. Humphrey, U.S. patent 3,507,565 (21 April, 1970).L.W. Alvarez, J. Am. Optometric Assoc. 49, 24 (1978).S. Bernet and M. Ritsch-Marte, U.S. patent application 20100134869 A1 (June 3, 2010).Jorge Ojeda-Castaneda, S. Ledesma, and C. M. Gómez-Sarabia, "Tunable apodizers and tunable focalizers using helical pairs", Phot. Lett. Poland 5, 20 (2013). CrossRef J. Ojeda-Casta-eda, C. M. Gómez-Sarabia, and S. Ledesma, "Novel free-form optical pairs for tunable focalizers", J. Opt. 43, 85 (2014). CrossRef J. Ojeda-Castaneda, A. L. Barragán-Chávez, and C. M. Gómez-Sarabia, "Aberration generators in tandem", Phot. Lett. Poland 7, 8 (2015). CrossRef Adolf W. Lohmann and Donald A. Silva, "An interferometer based on the Talbot effect", Optics Comm. 2, 413 (1971). CrossRef S. Yokozeki and T. Suzuki, "Shearing Interferometer Using the Grating as the Beam Splitter", Appl. Opt. 10, 1575 (1971). CrossRef Jason Geng, "Structured-light 3D surface imaging: a tutorial", Adv. Opt. Phot. 3, 128 (2011). CrossRef Jorge Ibarra and J. Ojeda-Casta-eda, "Talbot interferometry: a new geometry", Opt. Commun. 96, 294 (1993). CrossRef J. Ojeda-Castaneda, C.M. Gómez-Sarabia, S. Ledesma, "Novel zoom systems using a vortex pair", Asian J. Phys. 23, 415 (2014). DirectLink J. Ojeda-Castaneda, C.M. Gómez-Sarabia, S. Ledesma, Asian J. Phys. 23, 535 (2014). DirectLink J. Ojeda-Casta-eda and Cristina M. Gómez-Sarabia, "Nonconventional optical systems using varifocal lenses", Phot. Lett. Poland 7, 14 (2015). CrossRef