Mr. Andrew Clawson Profile

Andrew Clawson

Director of Process Engineering at Wasatch Photonics Inc

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Profile Summary

Focusing on providing the optimal part for the customers application. Expert in optical coating design and manufacture. Enjoy working with challanging applications and providing solutions to enhance system performance and decreasing cost.

Publications (5)

SPIE Journal Paper | 10 October 2024

Characterization of two ultraviolet–blue volume-phase holographic gratings based on dichromated gelatin and photopolymer recording materials

Alexandre Jeanneau, Andrea Bianco, Andrew Clawson, Michele Frangiamore, Elroy Pearson, Laurent Pinard, Jürgen Schmoll, Johan Richard, Rémi Giroud, Florence Laurent, Roland Bacon

JATIS, Vol. 10, Issue 04, 040501, (October 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.040501

KEYWORDS: Prototyping, Diffraction, Holography, Volume holography, Diffraction gratings, Gelatin, Optical gratings, Manufacturing, Spectrographs, Wavefront errors

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Proceedings Article | 26 August 2024 Presentation + Paper

HARMONI at ELT: characterizing spatial variations in transmission efficiency of volume phase holographic diffraction gratings

David Gooding, Niranjan Thatte, Edgar Castillo Dominguez, Eduard Muslimov, Matthias Tecza, R. Elliot Meyer, Fraser Clarke, Zeynep Ozer, Vanessa Ferraro-Wood, James Kariuki, Kieran McCall, Liam Boland, Elroy Pearson, David Creasey, Andrew Clawson

Proceedings Volume 13100, 131001T (2024) https://doi.org/10.1117/12.3020189

KEYWORDS: Optical gratings, Diffraction gratings, Prototyping, Spectrographs, Equipment, Optical transmission, Manufacturing, Automation, Spectrophotometry, Near infrared

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Proceedings Article | 26 August 2024 Poster + Paper

The Blue Multi Unit Spectroscopic Explorer (BlueMUSE) on the VLT: characterization of two VPHG prototypes based on dichromated gelatin and photopolymer recording materials

Alexandre Jeanneau, Andrea Bianco, Andrew Clawson, Michele Frangiamore, Elroy Pearson, Laurent Pinard, Jürgen Schmoll, Johan Richard, Rémi Giroud, Florence Laurent, Roland Bacon

Proceedings Volume 13100, 131005L (2024) https://doi.org/10.1117/12.3019944

KEYWORDS: Prototyping, Diffraction, Wavefront errors, Gelatin, Manufacturing, Diffraction gratings, Spectrographs, Photonics, Astronomy

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Proceedings Article | 26 August 2024 Paper

HARMONI at ELT: chromatic dependence of wavefront error performance in volume phase holographic diffraction gratings

R. Elliot Meyer, David Gooding, Matthias Tecza, Edgar Castillo Dominguez, Eduard Muslimov, Sophie Paszynska, James Kariuki, Zeynep Ozer, Niranjan Thatte, Liam Boland, Fraser Clarke, Andrew Clawson, David Creasey, Vanessa Ferraro-Wood, Ian Lewis, Kieran McCall, Cicely Rathmell, Elroy Pearson

Proceedings Volume 13100, 131005K (2024) https://doi.org/10.1117/12.3019252

KEYWORDS: Optical gratings, Diffraction gratings, Magnetorheological finishing, Prototyping, Wavefronts, Monochromatic aberrations, Colorimetry, Wavefront errors, Photonics, Spectrographs

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Proceedings Article | 26 August 2024 Presentation + Paper

Magnetorheological finishing of volume phase holographic gratings for high fidelity spectrograph wavefront performance

Andrew Clawson, Elroy Pearson, Niranjan Thatte, Matthias Tecza, Elliot Meyer, David Gooding, Edgar Castillo Dominguez, Eduard Muslimov, Christopher Hall, Michael DeMarco, David Creasey, Cicely Rathmell

Proceedings Volume 13100, 131001S (2024) https://doi.org/10.1117/12.3018447

KEYWORDS: Optical gratings, Magnetorheological finishing, Wavefronts, Diffraction gratings, Spectrographs, Polishing, Holography, Wavefront errors, Photonics, Design

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