Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS

R. Navarro; Tibor Agócs; L Venema; A.H. van Amerongen; M. Rodenhuis; Ruud W. M. Hoogeveen; T Coppens; Bernhard Brandl; R. Vink

doi:10.1117/12.2296128

Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS

R. Navarro, Tibor Agócs, L Venema, A.H. van Amerongen, M. Rodenhuis, Ruud W. M. Hoogeveen, T Coppens, Bernhard Brandl, R. Vink

Astrodynamics & Space Missions

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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Abstract

Immersed gratings offer several advantages over conventional gratings: more compact spectrograph designs, and by using standard semiconductor industry techniques, higher diffraction-efficiency and lower stray-light can be achieved. We present the optical tests of the silicon immersed grating demonstrator for the Mid-infrared E-ELT Imager and Spectrograph, METIS. We detail the interferometric tests that were done to measure the wavefront-error and present the results of the throughput and stray-light measurements. We also elaborate on the challenges encountered and lessons learned during the immersed grating demonstrator test campaign that helped us to improve the fabrication processes of the grating patterning on the wafer.

Original language	English
Title of host publication	ICSO 2016, International Conference on Space Optics
Subtitle of host publication	Biarritz, France, 18–21 October 2016
Editors	B. Cugny, N. Karafolas, Z. Sodnik
Publisher	SPIE
Number of pages	8
Volume	10562
DOIs	https://doi.org/10.1117/12.2296128
Publication status	Published - 2017
Event	International Conference on Space Optics - Biarritz, France Duration: 18 Oct 2016 → 21 Oct 2016 https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10562.toc

Publication series

Name	Proceedings of SPIE
Publisher	SPIE
Volume	10562

Conference

Conference	International Conference on Space Optics
Abbreviated title	ICSO 2016
Country/Territory	France
City	Biarritz
Period	18/10/16 → 21/10/16
Internet address	https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10562.toc

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10.1117/12.2296128

1056257Final published version, 1.02 MBLicence: CC BY

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Navarro, R., Agócs, T., Venema, L., van Amerongen, A. H., Rodenhuis, M., Hoogeveen, R. W. M., Coppens, T., Brandl, B., & Vink, R. (2017). Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS. In B. Cugny, N. Karafolas, & Z. S. (Eds.), ICSO 2016, International Conference on Space Optics: Biarritz, France, 18–21 October 2016 (Vol. 10562). (Proceedings of SPIE; Vol. 10562). SPIE. https://doi.org/10.1117/12.2296128

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abstract = "Immersed gratings offer several advantages over conventional gratings: more compact spectrograph designs, and by using standard semiconductor industry techniques, higher diffraction-efficiency and lower stray-light can be achieved. We present the optical tests of the silicon immersed grating demonstrator for the Mid-infrared E-ELT Imager and Spectrograph, METIS. We detail the interferometric tests that were done to measure the wavefront-error and present the results of the throughput and stray-light measurements. We also elaborate on the challenges encountered and lessons learned during the immersed grating demonstrator test campaign that helped us to improve the fabrication processes of the grating patterning on the wafer. ",

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note = "International Conference on Space Optics, ICSO 2016 ; Conference date: 18-10-2016 Through 21-10-2016",

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Navarro, R, Agócs, T, Venema, L, van Amerongen, AH, Rodenhuis, M, Hoogeveen, RWM, Coppens, T, Brandl, B & Vink, R 2017, Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS. in B Cugny, N Karafolas & ZS (eds), ICSO 2016, International Conference on Space Optics: Biarritz, France, 18–21 October 2016 . vol. 10562, Proceedings of SPIE, vol. 10562, SPIE, International Conference on Space Optics, Biarritz, France, 18/10/16. https://doi.org/10.1117/12.2296128

Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS. / Navarro, R.; Agócs, Tibor; Venema, L et al.
ICSO 2016, International Conference on Space Optics: Biarritz, France, 18–21 October 2016 . ed. / B. Cugny; N. Karafolas; Z. Sodnik. Vol. 10562 SPIE, 2017. (Proceedings of SPIE; Vol. 10562).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - Rodenhuis, M.

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AU - Brandl, Bernhard

AU - Vink, R.

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AB - Immersed gratings offer several advantages over conventional gratings: more compact spectrograph designs, and by using standard semiconductor industry techniques, higher diffraction-efficiency and lower stray-light can be achieved. We present the optical tests of the silicon immersed grating demonstrator for the Mid-infrared E-ELT Imager and Spectrograph, METIS. We detail the interferometric tests that were done to measure the wavefront-error and present the results of the throughput and stray-light measurements. We also elaborate on the challenges encountered and lessons learned during the immersed grating demonstrator test campaign that helped us to improve the fabrication processes of the grating patterning on the wafer.

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Navarro R, Agócs T, Venema L, van Amerongen AH, Rodenhuis M, Hoogeveen RWM et al. Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS. In Cugny B, Karafolas N, ZS, editors, ICSO 2016, International Conference on Space Optics: Biarritz, France, 18–21 October 2016 . Vol. 10562. SPIE. 2017. (Proceedings of SPIE). doi: 10.1117/12.2296128

Development and optical performance tests of the Si immersed grating demonstrator for E-ELT METIS

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