Dr. Rens Henselmans Profile

Dr. Rens Henselmans

at TNO

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 20 November 2017 Open Access

NANOMEFOS non-contact measurement machine for aspheric and freeform optics

R. Henselmans, G. P. H. Gubbels, C. van Drunen, B. van Venrooy, J.A.P. Leijtens

Proceedings Volume 10565, 1056525 (2017) https://doi.org/10.1117/12.2309250

KEYWORDS: Metrology, Calibration, Freeform optics, Aspheric lenses, Surface finishing, Astronomical imaging, Polishing, Interferometers, Mirrors, Raster graphics

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Proceedings Article | 20 November 2017 Open Access

The TROPOMI Telescope

David Nijkerk, Bart van Venrooy, Peter Van Doorn, Rens Henselmans, Folkert Draaisma, André Hoogstrate

Proceedings Volume 10564, 105640Z (2017) https://doi.org/10.1117/12.2309035

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Proceedings Article | 18 July 2014 Paper

Design of an E-ELT M1 segment measurement machine with nanometer accuracy

A. Bos, R. Henselmans, P. C. J. N. Rosielle, M. Steinbuch, M. J. A. te Voert

Proceedings Volume 9151, 91510X (2014) https://doi.org/10.1117/12.2055143

KEYWORDS: Metrology, Mirrors, Interferometers, Calibration, Zerodur, Interferometry, Optical testing, Telescopes, Manufacturing, Computer generated holography

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Proceedings Article | 13 September 2012 Paper

Design, analysis, and testing of the optical tube assemblies for the ESO VLT four laser guide star facility

R. Henselmans, D. Nijkerk, M. Lemmen, N. Rijnveld, F. Kamphues

Proceedings Volume 8447, 84474N (2012) https://doi.org/10.1117/12.926484

KEYWORDS: Laser guide stars, Wavefronts, Mirrors, Optical fabrication, Adaptive optics, Analytical research, Laser development, Telescopes, Polarization, High power lasers

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Proceedings Article | 13 September 2012 Paper

Manufacturing of high-precision aspherical and freeform optics

André Hoogstrate, Casper van Drunen, Bart van Venrooy, Rens Henselmans

Proceedings Volume 8450, 84502Q (2012) https://doi.org/10.1117/12.926040

KEYWORDS: Polishing, Optics manufacturing, Single point diamond turning, Metrology, Surface finishing, Freeform optics, Aspheric lenses, Manufacturing, Mirrors, Spindles

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Proceedings Article | 10 November 2011 Paper

Athermal design of the optical tube assemblies for the ESO VLT Four Laser Guidestar Facility

R. Henselmans, D. Nijkerk, M. Lemmen, F. Kamphues

Proceedings Volume 8336, 83360X (2011) https://doi.org/10.1117/12.916127

KEYWORDS: Temperature metrology, Solid modeling, Laser guide stars, Optical design, Thermal modeling, Optical fabrication, Adaptive optics, Wavefronts, Integrated modeling, Beam expanders

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Proceedings Article | 27 September 2011 Paper

Flexible manufacturing of large aspheres for VLT's Optical Tube Assemblies

G. Gubbels, R. Henselmans, C. van Drunen

Proceedings Volume 8126, 81261D (2011) https://doi.org/10.1117/12.893843

KEYWORDS: Polishing, Optics manufacturing, Surface finishing, Raster graphics, Aspheric lenses, Wavefronts, Metrology, Adaptive optics, Freeform optics, Aspheric optics

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Proceedings Article | 24 September 2011 Paper

A tip/tilt mirror with large dynamic range for the ESO VLT Four Laser Guide Star Facility

N. Rijnveld, R. Henselmans, B. Nijland

Proceedings Volume 8125, 812503 (2011) https://doi.org/10.1117/12.893682

KEYWORDS: Mirrors, Sensors, Autocollimators, Spindles, Actuators, Laser guide stars, Computer programming, Calibration, Computer aided design, Large telescopes

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Proceedings Article | 13 September 2011 Paper

Athermal design of the optical tube assemblies for the ESO VLT Four Laser Guidestar Facility

R. Henselmans, D. Nijkerk, M. Lemmen, N. Rijnveld, F. Kamphues

Proceedings Volume 8149, 814905 (2011) https://doi.org/10.1117/12.893845

KEYWORDS: Laser guide stars, Wavefronts, Mirrors, Optical design, Adaptive optics, Optical fabrication, Temperature metrology, Beam expanders, Manufacturing, Carbon

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Proceedings Article | 22 August 2009 Paper

Nanometer level freeform surface measurements with the NANOMEFOS non-contact measurement machine

Rens Henselmans, Lennino Cacace, Geerten Kramer, Nick Rosielle, Maarten Steinbuch

Proceedings Volume 7426, 742606 (2009) https://doi.org/10.1117/12.826067

KEYWORDS: Metrology, Freeform optics, Spindles, Calibration, Optics manufacturing, Electronics, Motion measurement, Photovoltaics, Control systems, Prototyping

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Proceedings Article | 20 August 2005 Paper

Design of a machine for the universal non-contact measurement of large free-form optics with 30 nm uncertainty

Rens Henselmans, Nick Rosielle, Maarten Steinbuch, Ian Saunders, Rob Bergmans

Proceedings Volume 5869, 586919 (2005) https://doi.org/10.1117/12.613919

KEYWORDS: Metrology, Spindles, Motion measurement, Calibration, Mirrors, Distance measurement, Freeform optics, Aspheric lenses, Optical testing, Optics manufacturing

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Showing 5 of 11 publications

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