Dr. Yitping Kok Profile

Dr. Yitping Kok

PostDoc at Univ of Western Australia

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Publications (14)

Proceedings Article | 24 July 2014 Paper

The interferometric baselines and GRAVITY astrometric error budget

S. Lacour, F. Eisenhauer, S. Gillessen, O. Pfuhl, Y. Kok, G. Perrin, K. Rousselet-Perraut, C. Straubmeier, W. Brandner, A. Amorin, J. Woillez, H. Bonnet

Proceedings Volume 9146, 91462E (2014) https://doi.org/10.1117/12.2057366

KEYWORDS: Metrology, Telescopes, Interferometry, Stars, Interferometers, Space telescopes, Observatories, Optical testing, Mirrors, 3D metrology

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Proceedings Article | 24 July 2014 Paper

The GRAVITY metrology system: modeling a metrology in optical fibers

N. Blind, Heinrich Huber, F. Eisenhauer, J. Weber, S. Gillessen, M. Lippa, L. Burtscher, O. Hans, M. Haug, F. Haussmann, S. Huber, A. Janssen, S. Kellner, Y. Kok, T. Ott, O. Pfuhl, E. Sturm, E. Wieprecht, A. Amorim, W. Brandner, G. Perrin, K. Perraut, C. Straubmeier

Proceedings Volume 9146, 914624 (2014) https://doi.org/10.1117/12.2055553

KEYWORDS: Metrology, Phase modulation, Polarization, Waveguides, Polarizers, Cameras, Connectors, Temperature metrology, Birefringence, Laser metrology

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Proceedings Article | 24 July 2014 Paper

GRAVITY: the calibration unit

N. Blind, F. Eisenhauer, M. Haug, S. Gillessen, Magdalena Lippa, L. Burtscher, O. Hans, F. Haussmann, S. Huber, A. Janssen, S. Kellner, Y. Kok, T. Ott, O. Pfuhl, E. Sturm, J. Weber, E. Wieprecht, A. Amorim, W. Brandner, G. Perrin, K. Perraut, C. Straubmeier

Proceedings Volume 9146, 91461U (2014) https://doi.org/10.1117/12.2055542

KEYWORDS: Calibration, Mirrors, Telescopes, Stars, Metrology, Wavefronts, Light sources, Relays, Optical alignment, Safety

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Proceedings Article | 24 July 2014 Paper

The fiber coupler and beam stabilization system of the GRAVITY interferometer

O. Pfuhl, M. Haug, F. Eisenhauer, S. Kellner, F. Haussmann, G. Perrin, S. Gillessen, C. Straubmeier, T. Ott, K. Rousselet-Perraut, A. Amorim, Magdalena Lippa, A. Janssen, W. Brandner, Yitping Kok, N. Blind, L. Burtscher, E. Sturm, E. Wieprecht, M. Schoeller, J. Weber, O. Hans, S. Huber

Proceedings Volume 9146, 914623 (2014) https://doi.org/10.1117/12.2055080

KEYWORDS: Telescopes, Fiber couplers, Actuators, Mirrors, Prisms, Adaptive optics, Sensors, Cameras, Stars, Interferometers

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Proceedings Article | 24 July 2014 Open Access

The GRAVITY instrument software/hardware related aspects

Thomas Ott, Ekkehard Wieprecht, Leonard Burtscher, Yitping Kok, Senol Yazici, Narsireddy Anugu, Roderick Dembet, Pierre Fedou, Sylvestre Lacour, Jürgen Ott, Frank Eisenhauer, Nicolas Blind, Reinhard Genzel, Stefan Gillessen, Oliver Hans, Marcus Haug, Frank Haussmann, Stefan Huber, Annemieke Janssen, Stefan Kellner, Magdalena Lippa, Oliver Pfuhl, Eckhard Sturm, Johannes Weber, Antonio Amorim, Wolfgang Brandner, Karine Rousselet-Perraut, Guy Perrin, Christian Straubmeier, Markus Schöller, Roberto Abuter

Proceedings Volume 9146, 91462A (2014) https://doi.org/10.1117/12.2055927

KEYWORDS: Sensors, Lamps, Camera shutters, Control systems, Analog electronics, Metrology, Detection and tracking algorithms, Optical fibers, Fiber lasers, Laser metrology

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Proceedings Article | 24 July 2014 Open Access

The GRAVITY instrument software/high-level software

Leonard Burtscher, Ekkehard Wieprecht, Thomas Ott, Yitping Kok, Senol Yazici, Narsireddy Anugu, Roderick Dembet, Pierre Fedou, Sylvestre Lacour, Jürgen Ott, Thibaut Paumard, Vincent Lapeyrere, Pierre Kervella, Roberto Abuter, Eszter Pozna, Frank Eisenhauer, Nicolas Blind, Reinhard Genzel, Stefan Gillessen, Oliver Hans, Marcus Haug, Frank Haussmann, Stefan Kellner, Magdalena Lippa, Oliver Pfuhl, Eckhard Sturm, Johannes Weber, Antonio Amorim, Wolfgang Brandner, Karine Rousselet-Perraut, Guy Perrin, Christian Straubmeier, Markus Schöller

Proceedings Volume 9146, 91462B (2014) https://doi.org/10.1117/12.2055928

KEYWORDS: Sensors, Process control, Control systems, Cameras, Telescopes, Signal detection, Data acquisition, Computing systems, Interferometers, Interfaces

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Proceedings Article | 24 July 2014 Open Access

GRAVITY: the impact of non-common optical paths within the metrology system

Yitping Kok, Stefan Gillessen, Sylvestre Lacour, Frank Eisenhauer, Nicolas Blind, Johannes Weber, Magdalena Lippa, Oliver Pfuhl, Leonard Burtscher, Ekkehard Wieprecht, Thomas Ott, Marcus Haug, Stefan Kellner, Frank Haussmann, Eckhard Sturm, Annemieke Janssen, Reinhard Genzel, Guy Perrin, Karine Perraut, Christian Straubmeier, Wolfgang Brandner, Antonio Amorim, Oliver Hans

Proceedings Volume 9146, 914625 (2014) https://doi.org/10.1117/12.2055567

KEYWORDS: Metrology, Stars, Laser metrology, Interferometers, Telescopes, Information operations, Visibility, Sensors, Phase shifts, Time metrology

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Proceedings Article | 24 July 2014 Open Access

The GRAVITY metrology system: narrow-angle astrometry via phase-shifting interferometry

Magdalena Lippa, Nicolas Blind, Stefan Gillessen, Yitping Kok, Johannes Weber, Frank Eisenhauer, Oliver Pfuhl, Annemieke Janssen, Marcus Haug, Frank Haußmann, Stefan Kellner, Oliver Hans, Ekkehard Wieprecht, Thomas Ott, Leonard Burtscher, Reinhard Genzel, Eckhard Sturm, Reiner Hofmann, S. Huber, David Huber, Stefanie Senftleben, Andreas Pflüger, Roland Greßmann, Guy Perrin, Karine Perraut, Wolfgang Brandner, Christian Straubmeier, Antonio Amorim, Markus Schöller

Proceedings Volume 9146, 914622 (2014) https://doi.org/10.1117/12.2054637

KEYWORDS: Phase shifts, Metrology, Phase shift keying, Calibration, Telescopes, Modulation, Phase interferometry, Interferometers, Interferometry, Phase measurement

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Proceedings Article | 24 July 2014 Paper

Alternative approach to precision narrow-angle astrometry for Antarctic long baseline interferometry

Yitping Kok, Michael Ireland, Aaron Rizzuto, Peter Tuthill, J. Gordon Robertson, Benjamin Warrington, William Tango

Proceedings Volume 9146, 91462R (2014) https://doi.org/10.1117/12.2055295

KEYWORDS: Stars, Visibility, Interferometers, Data modeling, Interferometry, Modulation, Calibration, Signal to noise ratio, Error analysis, Binary data

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Proceedings Article | 24 September 2012 Paper

DiffRACT: differential remapped aperture coronagraphic telescope

F. Allouche, M. Hadjara, Y. Kok, F. Vakili, L. Abe, P. M. Gori

Proceedings Volume 8446, 84467E (2012) https://doi.org/10.1117/12.926022

KEYWORDS: Planets, Coronagraphy, Stars, Telescopes, Exoplanets, Prisms, Lenses, Spatial resolution, Numerical simulations, Atmospheric turbulence

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Proceedings Article | 12 September 2012 Paper

Self-phase-referencing interferometry with SUSI

Yitping Kok, Michael Ireland, Peter Tuthill, J Robertson, Benjamin Warrington, William Tango

Proceedings Volume 8445, 844521 (2012) https://doi.org/10.1117/12.925238

KEYWORDS: Mirrors, Stars, Metrology, Signal to noise ratio, Avalanche photodetectors, Photon counting, Interferometry, Laser metrology, Interferometers, Fourier transforms

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Proceedings Article | 12 September 2012 Paper

Science and technology progress at the Sydney University Stellar Interferometer

J. Gordon Robertson, Michael Ireland, William Tango, Peter Tuthill, Benjamin Warrington, Yitping Kok, A. Rizzuto, Anthony Cheetham, Andrew Jacob

Proceedings Volume 8445, 84450N (2012) https://doi.org/10.1117/12.924946

KEYWORDS: Stars, Sensors, Metrology, Interferometers, Mirrors, Telescopes, Electronics, Servomechanisms, CCD image sensors, Charge-coupled devices

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Proceedings Article | 12 September 2012 Paper

Imaging rapid rotators with the PAVO beam combiner at CHARA

Vicente Maestro, Yitping Kok, Daniel Huber, Michael Ireland, Peter Tuthill, Tim White, Gail Schaefer, Theo ten Brummelaar, Harold McAlister, Nils Turner, Christopher Farrington, P. Goldfinger

Proceedings Volume 8445, 84450G (2012) https://doi.org/10.1117/12.926881

KEYWORDS: Calibration, Stars, Visibility, Spatial frequencies, Interferometry, Telescopes, Spatial resolution, Data modeling, Astronomy, Interferometers

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Proceedings Article | 22 July 2010 Paper

Instrumental developments for the Sydney University Stellar Interferometer

J. Gordon Robertson, Michael Ireland, William Tango, John Davis, Peter Tuthill, Andrew Jacob, Yitping Kok, Theo ten Brummelaar

Proceedings Volume 7734, 773405 (2010) https://doi.org/10.1117/12.856557

KEYWORDS: Stars, Sensors, Interferometers, Mirrors, Charge-coupled devices, Telescopes, Visibility, CCD image sensors, Control systems, Astronomy

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Showing 5 of 14 publications

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