Mr. Kevin Z. Derby Profile

Kevin Z. Derby

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Author

Publications (15)

Proceedings Article | 30 September 2024 Presentation + Paper

Alignment of three mirror anastigmat telescopes using a multilayered stochastic parallel gradient descent algorithm

Solvay Blomquist, Heejoo Choi, Hyukmo Kang, Kevin Derby, Pierre Nicolas, Ewan Douglas, Daewook Kim

Proceedings Volume 13134, 131340F (2024) https://doi.org/10.1117/12.3028105

KEYWORDS: Telescopes, Stochastic processes, Mirrors, Algorithm development, Wavefront errors, Model based design, Wavefronts, Optical alignment, Wavefront sensors, Photovoltaics

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Proceedings Article | 5 October 2023 Presentation + Paper

Microfabricated pinholes for high contrast imaging testbeds

Emory Jenkins, Kyle Van Gorkom, Kevin Derby, Patrick Ingraham, Ewan Douglas

Proceedings Volume 12680, 126801A (2023) https://doi.org/10.1117/12.2677630

KEYWORDS: Microfabrication, Semiconducting wafers, Coronagraphy, Finite-difference time-domain method, Silicon, Wavefronts, Polarization, Fabrication, Wave propagation, Etching

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Proceedings Article | 5 October 2023 Poster + Paper

Reflective lyot stop low-order wavefront control for future large space telescope coronagraphs

Christopher Mendillo, Jaren Ashcraft, Kevin Zhang Derby, Ewan Douglas, Daewook Kim, Jared Males

Proceedings Volume 12680, 126802E (2023) https://doi.org/10.1117/12.2677654

KEYWORDS: Wavefront errors, Telescopes, Coronagraphy, Wavefronts, Space telescopes, Exoplanets, Sensors, Optical simulations, Device simulation, Deformable mirrors

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Proceedings Article | 5 October 2023 Presentation + Paper

Estimation of polarization aberrations and their effect on the coronagraphic performance for future space telescopes

Ramya Anche, Sebastiaan Haffert, Jaren Ashcraft, Kian Milani, Kyle Van Gorkom, Kevin Derby, Ewan Douglas, Maxwell Millar-Blanchaer

Proceedings Volume 12680, 126800R (2023) https://doi.org/10.1117/12.2677486

KEYWORDS: Coating, Coronagraphy, Polarization, Telescopes, Mirrors, Reflection, Polarization analysis

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Proceedings Article | 4 October 2023 Paper

Approaches to lowering the cost of large space telescopes

Ewan Douglas, Greg Aldering, Greg Allan, Ramya Anche, Roger Angel, Cameron Ard, Supriya Chakrabarti, Laird Close, Kevin Derby, Jerry Edelstein, John Ford, Jessica Gersh-Range, Sebastiaan Haffert, Patrick Ingraham, Hyukmo Kang, Douglas Kelly, Daewook Kim, Michael Lesser, Jarron Leisenring, Yu-Chia Lin, Jared Males, Buddy Martin, Bianca Alondra Payan, Sai Krishanth P. M., David Rubin, Sanford Selznick, Kyle Van Gorkom, Buell Jannuzi, Saul Perlmutter

Proceedings Volume 12677, 126770D (2023) https://doi.org/10.1117/12.2677843

KEYWORDS: Space telescopes, Design and modelling, Telescopes, Observatories, Mirrors, James Webb Space Telescope, Space mirrors, Equipment, Astronomy, Coronagraphy

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Proceedings Article | 4 October 2023 Presentation + Paper

Integrated modeling of wavefront sensing and control for space telescopes utilizing active and adaptive optics

Kevin Derby, Kian Milani, Solvay Blomquist, Kyle Van Gorkom, Sebastiaan Haffert, Hyukmo Kang, Hill Tailor, Heejoo Choi, Christopher Mendillo, Jared Males, Daewook Kim, Ewan Douglas

Proceedings Volume 12677, 126770I (2023) https://doi.org/10.1117/12.2677663

KEYWORDS: Telescopes, Wavefronts, Wavefront errors, Wavefront sensors, Point spread functions, Coronagraphy, Signal to noise ratio, Error analysis, Integrated modeling, Wavefront compensation

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Proceedings Article | 4 October 2023 Presentation + Paper

Analysis of active optics correction for a large honeycomb mirror

Solvay Blomquist, Hubert Martin, Hyukmo Kang, Rebecca Whitsitt, Kevin Derby, Heejoo Choi, Ewan Douglas, Daewook Kim

Proceedings Volume 12677, 126770H (2023) https://doi.org/10.1117/12.2677069

KEYWORDS: Wavefront errors, Actuators, Active optics, Mirrors, Mirror surfaces, Device simulation, Telescopes, Error analysis, Computer simulations, Surface finishing

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Proceedings Article | 28 September 2023 Presentation + Paper

Poke: an open-source, ray-based physical optics platform

Jaren Ashcraft, Ewan Douglas, Daewook Kim, A. J. Riggs, Ramya Anche, Trent Brendel, Kevin Derby, Brandon Dube, Quinn Jarecki, Emory Jenkins, Kian Milani

Proceedings Volume 12664, 1266404 (2023) https://doi.org/10.1117/12.2678001

KEYWORDS: Ray tracing, Polarization, Diffraction, Modeling, Thin films, Interfaces, Simulations, Design and modelling, Wavefronts, Telescopes

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Proceedings Article | 29 August 2022 Presentation + Paper

Curved primary aperture segmentation enabling a robust quasi-Airy pattern point spread function

Kevin Z. Derby, James B. Breckinridge, James E. Harvey, Tony Hull, Charles F. Lillie, Jaren N. Ashcraft, Heejoo Choi, Ewan S. Douglas, Daewook Kim

Proceedings Volume 12188, 121880N (2022) https://doi.org/10.1117/12.2628819

KEYWORDS: Point spread functions, Coronagraphy, Diffraction, Wavefronts, Telescopes, Mirrors, Wave propagation, Performance modeling, Observatories

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Proceedings Article | 27 August 2022 Poster + Paper

The space coronagraph optical bench (SCoOB): 2. Wavefront sensing and control in a vacuum-compatible coronagraph testbed for spaceborne high-contrast imaging technology

Kyle Van Gorkom, Ewan Douglas, Jaren Ashcraft, Sebastiaan Haffert, Daewook Kim, Heejoo Choi, Ramya Anche, Jared Males, Kian Milani, Kevin Derby, Lori Harrison, Olivier Durney

Proceedings Volume 12180, 121805M (2022) https://doi.org/10.1117/12.2630704

KEYWORDS: Coronagraphy, Wavefronts, Wavefront sensors, Actuators, Optical benches, Astronomical imaging, Cameras, Point spread functions, Imaging technologies, Light scattering

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Proceedings Article | 27 August 2022 Poster + Paper

The space coronagraph optical bench (SCoOB): 1. Design and assembly of a vacuum-compatible coronagraph testbed for spaceborne high-contrast imaging technology

Jaren Ashcraft, Heejoo Choi, Ewan Douglas, Kevin Derby, Kyle Van Gorkom, Daewook Kim, Ramya Anche, Alex Carter, Olivier Durney, Sebastiaan Haffert, Lori Harrison, Maggie Kautz, Jennifer Lumbres, Jared Males, Kian Milani, Oscar Montoya, George Smith

Proceedings Volume 12180, 121805L (2022) https://doi.org/10.1117/12.2628855

KEYWORDS: Coronagraphy, Wavefronts, Mirrors, Interferometers, Wavefront sensors, Point spread functions, Optical benches, Cameras, Astronomical imaging

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Proceedings Article | 27 August 2022 Poster + Paper

Tolerance analysis of a self-coherent camera for wavefront sensing and dark hole maintenance

Kevin Derby, Sebastiaan Haffert, Jaren Ashcraft, Kian Milani, Heejoo Choi, Young-Sik Kim, Laird Close, Christopher Mendillo, Supriya Chakrabarti, Gregory Allan, Leonid Pogorelyuk, Kerri Cahoy, Mamadou N'Diaye, Daewook Kim, Jared Males, Ewan Douglas

Proceedings Volume 12180, 1218069 (2022) https://doi.org/10.1117/12.2629578

KEYWORDS: Wavefronts, Sensors, Coronagraphy, Wavefront sensors, Tolerancing, Cameras, Stars, Telescopes, Photodetectors, Error analysis

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Proceedings Article | 27 August 2022 Presentation + Paper

Orbiting astronomical satellite for investigating stellar systems (OASIS): a paradigm shift in realizing large space telescopes

Siddhartha Sirsi, Christopher Walker, Jonathan Arenberg, Yuzuru Takashima, Daewook Kim, Heejoo Choi, Arthur Palisoc, Henry Quach, Marcos Esparza, Kevin Derby, Luke Mayer, Tianyao Zhang, Aman Chandra, Anthony Stark

Proceedings Volume 12180, 121801Q (2022) https://doi.org/10.1117/12.2629100

KEYWORDS: Space telescopes, Receivers, Astronomy, Optical design, Satellites, Mirrors, Cryogenics, Space operations, Metrology, LIDAR

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Proceedings Article | 20 August 2021 Presentation + Paper

The versatile CubeSat Telescope: going to large apertures in small spacecraft

Jaren N. Ashcraft, Ewan Douglas, Daewook Kim, George Smith, Kerri Cahoy, Tom Connors, Kevin Derby, Victor Gasho, Kerry Gonzales, Charlotte Guthery, Geon Hee Kim, Corwynn Sauve, Paul Serra

Proceedings Volume 11819, 1181904 (2021) https://doi.org/10.1117/12.2594884

KEYWORDS: Mirrors, Telescopes, Finite element methods, Aluminum, Optical components, Space operations, Polarization, Off axis mirrors, Stars

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Proceedings Article | 4 March 2019 Presentation

Quantitative multi-volumetric imaging of lung vasculature using optical coherence microscopy (Conference Presentation)

Kevin Derby, Christa Gaskill, Susan Majka, Yuankai Kenny Tao

Proceedings Volume 10867, 108670Z (2019) https://doi.org/10.1117/12.2511542

KEYWORDS: Lung, Optical coherence microscopy, Tissue optics, Scattering, Image resolution, Vascular diseases, Silicon, Polymers, Visualization, System integration

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Showing 5 of 15 publications

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