Designing a freeform optic for oblique illumination

Uthoff, Ross D.; Ulanch, Rachel N.; Williams, Kaitlyn E.; Diaz, Liliana Ruiz; King, Page; Koshel, R. John

doi:10.1117/12.2296876

International Optical Design Conference 2017 2017

DOI: 10.1117/12.2296876

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Designing a freeform optic for oblique illumination

Ross D. Uthoff

Rachel N. Ulanch

Kaitlyn E. Williams

et al.

Abstract: The Functional Freeform Fitting (F 4) method is utilized to design a freeform optic for oblique illumination of Mark Rothko's Green on Blue (1956). Shown are preliminary results from an iterative freeform design process; from problem definition and specification development to surface fit, ray tracing results, and optimization. This method is applicable to both point and extended sources of various geometries.

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2020

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Application of a cubic phase plate to a reflecting telescope for extension of depth of field

Lee

2020

Appl. Opt.

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Wavefront coding is an accepted technique to extend the depth of field in incoherent optical systems. We present the design of a reflecting telescope with wavefront coding by employing a cubic phase plate (CPP). We propose a method to reduce the CPP size by changing its position from the aperture stop to a secondary mirror without varying the point-spread function, which is insensitive to defocusing. This change in position reduces the diameter by almost three orders and increases the third-order coefficients of the x y polynomial surface by two orders, thus easing manufacturing.

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Application of a cubic phase plate to a reflecting telescope for extension of depth of field

Lee

2020

Appl. Opt.

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show abstract

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Designing a freeform optic for oblique illumination

Cited by 1 publication

References 6 publications

Application of a cubic phase plate to a reflecting telescope for extension of depth of field

Application of a cubic phase plate to a reflecting telescope for extension of depth of field

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