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

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 13100 (2024) 131005k-131005k-9

Authors:

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

HARMONI-ELT instrument integral field unit test tools development

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 13100 (2024) 131004l-131004l-13

Authors:

Magali Loupias, Johan Richard, Alban Remillieux, Jean-Emmanuel Migniau, Florence Laurent, Alexandre Jeanneau, Aurélien Jarno, Eric Daguisé, Adrien Girardot, Matthieu Guibert, Rémi Giroud, Didier Boudon, Nicolas Bouché, Dawn Wasley, Dave Melotte, Niranjan A Thatte, Fraser Clarke, Matthias Tecza

Image slicing with a twist: testing and characterising a prototype image slicer for ELT-PCS

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 13100 (2024) 1310012-1310012-7

Authors:

Matthias Tecza, R Elliot Meyer, Niranjan Thatte, Takashi Sukegawa, Tomonao Nakayasu, Masatsugu Koyama

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

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 13100 (2024) 131001s-131001s-8

Authors:

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

HARMONI at ELT: modelling the optical performance of a diffraction limited integral field spectrograph

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 13099 (2024) 1309906-1309906-13

Authors:

Stephen P Todd, Charlotte Z Bond, Fraser Clarke, Éamonn J Harvey, Álvaro Menduiña-Fernández, Matthias Tecza