Freeform optics: introduction

Konstantinos Falaggis, Jannick Rolland, Fabian Duerr, and Alexander Sohn

Opt. Express 30(4), 6450-6455 (2022)  View: HTML | PDF

Freeform hyperspectral imager design in a CubeSat format

Yuxuan Liu, Aaron Bauer, Thierry Viard, and Jannick P. Rolland

Opt. Express 29(22), 35915-35928 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Design of a freeform imaging spectrometer based on a solution-diversified automatic design method

Benqi Zhang, Chang Men, and Jun Zhu

Opt. Express 29(23), 37476-37488 (2021)  View: HTML | PDF

Freeform optics for variable extended depth of field imaging

Sara Moein and Thomas J. Suleski

Opt. Express 29(24), 40524-40537 (2021)  View: HTML | PDF

Null screens to evaluate the shape of freeform surfaces: progressive addition lenses

Oliver Huerta-Carranza, Maximino Avendaño-Alejo, and Rufino Díaz-Uribe

Opt. Express 29(17), 27921-27937 (2021)  View: HTML | PDF

Effect of retrace error on stitching coherent scanning interferometry measurements of freeform optics

Hossein Shahinian, Clark D. Hovis, and Christopher J. Evans

Opt. Express 29(18), 28562-28573 (2021)  View: HTML | PDF

Iterative parallel registration of strongly misaligned wavefront segments

Nikolaus Berlakovich, Ernst Csencsics, Martin Fuerst, and Georg Schitter

Opt. Express 29(21), 33281-33296 (2021)  View: HTML | PDF

Vision ray metrology for freeform optics

Ana Hiza Ramirez-Andrade, Shohreh Shadalou, Dustin Gurganus, Matthew A. Davies, Thomas J. Suleski, and Konstantinos Falaggis

Opt. Express 29(26), 43480-43501 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Tunable illumination for LED-based systems using refractive freeform arrays

Shohreh Shadalou, William J. Cassarly, and Thomas J. Suleski

Opt. Express 29(22), 35755-35764 (2021)  View: HTML | PDF

Improved optical camera communication systems using a freeform lens

Ziwei Liu, Lin Yang, Yanbing Yang, Rengmao Wu, Lei Zhang, Liangyin Chen, Die Wu, and Jun She

Opt. Express 29(21), 34066-34076 (2021)  View: HTML | PDF

Ronchi-Hartmann type null screens for testing a plano-freeform surface with a detection plane inside a caustic surface

Jesús DelOlmo-Márquez, Gabriel Castillo-Santiago, Maximino Avendaño-Alejo, Ivan Moreno, Edwin Román-Hernández, and María C. López-Bautista

Opt. Express 29(15), 23300-23314 (2021)  View: HTML | PDF  [Suppl. Mat. (2)]

Supporting quadric method for designing refractive optical elements generating prescribed irradiance distributions and wavefronts

Dmitry A. Bykov, Leonid L. Doskolovich, Egor V. Byzov, Evgeni A. Bezus, and Nikolay L. Kazanskiy

Opt. Express 29(17), 26304-26318 (2021)  View: HTML | PDF

Roadmap for the unobscured three-mirror freeform design space

Aaron Bauer and Jannick P. Rolland

Opt. Express 29(17), 26736-26744 (2021)  View: HTML | PDF

Freeform beam splitting system design for generating an array of identical sub-beams

Jia Si, Zexin Feng, Dewen Cheng, and Yongtian Wang

Opt. Express 29(19), 29918-29935 (2021)  View: HTML | PDF

Unified mathematical framework for a class of fundamental freeform optical systems

Martijn J. H. Anthonissen, Lotte B. Romijn, Jan H. M. ten Thije Boonkkamp, and Wilbert L. IJzerman

Opt. Express 29(20), 31650-31664 (2021)  View: HTML | PDF

Freeform optical design of beam shaping systems with variable illumination properties

Lin Yang, Fanqi Shen, Zhanghao Ding, Xiao Tao, Zhenrong Zheng, Fei Wu, Yong Li, and Rengmao Wu

Opt. Express 29(20), 31993-32005 (2021)  View: HTML | PDF

Freeform gradient-index media: a new frontier in freeform optics

David H. Lippman, Nicholas S. Kochan, Tianyi Yang, Greg R. Schmidt, Julie L. Bentley, and Duncan T. Moore

Opt. Express 29(22), 36997-37012 (2021)  View: HTML | PDF

Freeform imaging system with resolution that varies with the field angle in two dimensions

Weichen Wu, Benqi Zhang, and Jun Zhu

Opt. Express 29(23), 37354-37367 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Miniature freeform flow-line lightguide for sensing: from design to fabrication

Simone Sorgato, Lien Smeesters, Michael Vervaeke, Kurt Rochlitz, Dries Rosseel, Jef Verbaenen, Hugo Thienpont, Thomas Geernaert, and Jürgen Van Erps

Opt. Express 29(23), 38001-38013 (2021)  View: HTML | PDF

Telephoto-lens-based Optical Differentiation Wavefront Sensor for freeform metrology

Biswa R. Swain, Christophe Dorrer, and Jie Qiao

Opt. Express 29(23), 38395-38403 (2021)  View: HTML | PDF

Two-photon grayscale lithography for free-form micro-optical arrays

Tamara Aderneuer, Oscar Fernández, and Rolando Ferrini

Opt. Express 29(24), 39511-39520 (2021)  View: HTML | PDF

Extended aberration analysis in symmetry-free optical systems – part I: method of calculation

Ziyao Tang and Herbert Gross

Opt. Express 29(24), 39967-39982 (2021)  View: HTML | PDF

Connecting tolerancing of freeform surface deformation in illumination optics with the Laplacian magic mirror

Wooyoun Kim, William J. Cassarly, and Jannick P. Rolland

Opt. Express 29(24), 40559-40571 (2021)  View: HTML | PDF  [Suppl. Mat. (1)]

Survey of the four-mirror freeform imager solution space

Jonathan C. Papa, Joseph M. Howard, and Jannick P. Rolland

Opt. Express 29(25), 41534-41551 (2021)  View: HTML | PDF

Extended aberration analysis in symmetry-free optical systems – part II: evaluation and application

Ziyao Tang and Herbert Gross

Opt. Express 29(25), 42020-42036 (2021)  View: HTML | PDF

Ultra-compact 3D-printed wide-angle cameras realized by multi-aperture freeform optical design

Andrea Toulouse, Johannes Drozella, Pascal Motzfeld, Nils Fahrbach, Valese Aslani, Simon Thiele, Harald Giessen, and Alois M. Herkommer

Opt. Express 30(2), 707-720 (2022)  View: HTML | PDF

Misalignment of spheres, aspheres and freeforms in optical measurement systems

Antonia Gronle, Christof Pruss, and Alois Herkommer

Opt. Express 30(2), 797-814 (2022)  View: HTML | PDF

Broadband point-spread function engineering via a freeform diffractive microlens array

Apratim Majumder, Monjurul Meem, Robert Stewart, and Rajesh Menon

Opt. Express 30(2), 1967-1975 (2022)  View: HTML | PDF  [Suppl. Mat. (14)]