Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI)

Barnaby Norris; Nick Cvetojevic; Simon Gross; Alexander Arriola; Peter Tuthill; Jon Lawrence; Samuel Richards; Michael Goodwin; Jessica Zheng

doi:10.1117/12.2233757

Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI)

Barnaby Norris^*, Nick Cvetojevic, Simon Gross, Alexander Arriola, Peter Tuthill, Jon Lawrence, Samuel Richards, Michael Goodwin, Jessica Zheng

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

3 Citations (Scopus)

32 Downloads (Pure)

Abstract

Using single-mode fibres in astronomy enables revolutionary techniques including single-mode interferometry and spectroscopy. However, injection of seeing-limited starlight into single mode photonics is extremely difficult. One solution is Adaptive Injection (AI). The telescope pupil is segmented into a number of smaller subapertures each with size ∼ r 0, such that seeing can be approximated as a single tip / tilt / piston term for each subaperture, and then injected into a separate fibre via a facet of a segmented MEMS deformable mirror. The injection problem is then reduced to a set of individual tip tilt loops, resulting in high overall coupling efficiency.

Original language	English
Title of host publication	Ground-Based and Airborne Instrumentation for Astronomy VI
Editors	Christopher J. Evans, Luc Simard, Hideki Takami
Place of Publication	Washington, US
Publisher	SPIE
Pages	1-8
Number of pages	8
ISBN (Electronic)	9781510601956
DOIs	https://doi.org/10.1117/12.2233757
Publication status	Published - 2016
Event	Ground-Based and Airborne Instrumentation for Astronomy VI - Edinburgh, United Kingdom Duration: 26 Jun 2016 → 30 Jun 2016

Publication series

Name	Proceedings of SPIE
Publisher	SPIE
Volume	9908
ISSN (Print)	0277-786X

Other

Other	Ground-Based and Airborne Instrumentation for Astronomy VI
Country	United Kingdom
City	Edinburgh
Period	26/06/16 → 30/06/16

Bibliographical note

Copyright 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Keywords

Adaptive optics
Injection
Single mode Fibres
Single mode waveguides

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10.1117/12.2233757

Publisher version (open access)Final published version, 453 KBLicence: Unspecified

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Norris, B., Cvetojevic, N., Gross, S., Arriola, A., Tuthill, P., Lawrence, J., Richards, S., Goodwin, M., & Zheng, J. (2016). Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI). In C. J. Evans, L. Simard, & H. Takami (Eds.), Ground-Based and Airborne Instrumentation for Astronomy VI (pp. 1-8). [99085E] (Proceedings of SPIE; Vol. 9908). SPIE. https://doi.org/10.1117/12.2233757

Norris, Barnaby ; Cvetojevic, Nick ; Gross, Simon ; Arriola, Alexander ; Tuthill, Peter ; Lawrence, Jon ; Richards, Samuel ; Goodwin, Michael ; Zheng, Jessica. / Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI). Ground-Based and Airborne Instrumentation for Astronomy VI. editor / Christopher J. Evans ; Luc Simard ; Hideki Takami. Washington, US : SPIE, 2016. pp. 1-8 (Proceedings of SPIE).

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title = "Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI)",

abstract = "Using single-mode fibres in astronomy enables revolutionary techniques including single-mode interferometry and spectroscopy. However, injection of seeing-limited starlight into single mode photonics is extremely difficult. One solution is Adaptive Injection (AI). The telescope pupil is segmented into a number of smaller subapertures each with size ∼ r 0, such that seeing can be approximated as a single tip / tilt / piston term for each subaperture, and then injected into a separate fibre via a facet of a segmented MEMS deformable mirror. The injection problem is then reduced to a set of individual tip tilt loops, resulting in high overall coupling efficiency.",

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author = "Barnaby Norris and Nick Cvetojevic and Simon Gross and Alexander Arriola and Peter Tuthill and Jon Lawrence and Samuel Richards and Michael Goodwin and Jessica Zheng",

note = "Copyright 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.; Ground-Based and Airborne Instrumentation for Astronomy VI ; Conference date: 26-06-2016 Through 30-06-2016",

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series = "Proceedings of SPIE",

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Norris, B, Cvetojevic, N, Gross, S, Arriola, A, Tuthill, P, Lawrence, J, Richards, S, Goodwin, M & Zheng, J 2016, Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI). in CJ Evans, L Simard & H Takami (eds), Ground-Based and Airborne Instrumentation for Astronomy VI., 99085E, Proceedings of SPIE, vol. 9908, SPIE, Washington, US, pp. 1-8, Ground-Based and Airborne Instrumentation for Astronomy VI, Edinburgh, United Kingdom, 26/06/16. https://doi.org/10.1117/12.2233757

Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI). / Norris, Barnaby; Cvetojevic, Nick; Gross, Simon; Arriola, Alexander; Tuthill, Peter; Lawrence, Jon; Richards, Samuel; Goodwin, Michael; Zheng, Jessica.

Ground-Based and Airborne Instrumentation for Astronomy VI. ed. / Christopher J. Evans; Luc Simard; Hideki Takami. Washington, US : SPIE, 2016. p. 1-8 99085E (Proceedings of SPIE; Vol. 9908).

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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AU - Lawrence, Jon

AU - Richards, Samuel

AU - Goodwin, Michael

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N1 - Copyright 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

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AB - Using single-mode fibres in astronomy enables revolutionary techniques including single-mode interferometry and spectroscopy. However, injection of seeing-limited starlight into single mode photonics is extremely difficult. One solution is Adaptive Injection (AI). The telescope pupil is segmented into a number of smaller subapertures each with size ∼ r 0, such that seeing can be approximated as a single tip / tilt / piston term for each subaperture, and then injected into a separate fibre via a facet of a segmented MEMS deformable mirror. The injection problem is then reduced to a set of individual tip tilt loops, resulting in high overall coupling efficiency.

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Efficient coupling of starlight into single mode photonics using Adaptive Injection (AI)

Abstract

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