Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link

Jaime A. Anguita; José P. Durandeau; Carlos Pirela; Kei B. Sawada; Andrés Seguel; Nelly Cerpa

doi:10.1117/12.3060888

Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link

Jaime A. Anguita^*
, José P. Durandeau
, Carlos Pirela
, Kei B. Sawada
, Andrés Seguel
, Nelly Cerpa

^*Autor correspondiente de este trabajo

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

Resumen

We present the characterization and performance analysis of a fast-steering mirror (FSM) system tested over a short-range laser propagation and detection system, as a possible solution to mitigate the unwanted effects induced by the atmosphere on a propagating laser beam. The system's performance is tested under controlled turbulence conditions in the laboratory by means of a flat surface heater and forced lateral wind for a propagation distance of 3 meters. Lab results demonstrate that the FSM significantly reduces beam wander, as measured by both a position sensing device and a point intensity detector. We observe a 100% increase of the coupled optical power and a scintillation reduction to a fourth of those observed in the uncontrolled optical link. This system is currently being installed in the outdoor testbed to evaluate the performance over 1km.

Idioma original	Inglés
Título de la publicación alojada	Laser Communication and Propagation through the Atmosphere and Oceans XIV
Editores	Jaime A. Anguita, David T. Wayne
Editorial	SPIE
ISBN (versión digital)	9781510691421
DOI	https://doi.org/10.1117/12.3060888
Estado	Publicada - 19 sep. 2025
Evento	14th Laser Communication and Propagation through the Atmosphere and Oceans - San Diego, Estados Unidos Duración: 4 ago. 2025 → 6 ago. 2025

Serie de la publicación

Nombre	Proceedings of SPIE - The International Society for Optical Engineering
Volumen	13617
ISSN (versión impresa)	0277-786X
ISSN (versión digital)	1996-756X

Conferencia o congreso

Conferencia o congreso	14th Laser Communication and Propagation through the Atmosphere and Oceans
País/Territorio	Estados Unidos
Ciudad	San Diego
Período	4/08/25 → 6/08/25

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Publisher Copyright:
© COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

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Anguita, J. A., Durandeau, J. P., Pirela, C., Sawada, K. B., Seguel, A., & Cerpa, N. (2025). Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link. En J. A. Anguita, & D. T. Wayne (Eds.), Laser Communication and Propagation through the Atmosphere and Oceans XIV Artículo 136170I (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13617). SPIE. https://doi.org/10.1117/12.3060888

Anguita, Jaime A. ; Durandeau, José P. ; Pirela, Carlos et al. / Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link. Laser Communication and Propagation through the Atmosphere and Oceans XIV. editor / Jaime A. Anguita ; David T. Wayne. SPIE, 2025. (Proceedings of SPIE - The International Society for Optical Engineering).

@inproceedings{6826597c92ca4594bfe8ea431bd12bb5,

title = "Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link",

abstract = "We present the characterization and performance analysis of a fast-steering mirror (FSM) system tested over a short-range laser propagation and detection system, as a possible solution to mitigate the unwanted effects induced by the atmosphere on a propagating laser beam. The system's performance is tested under controlled turbulence conditions in the laboratory by means of a flat surface heater and forced lateral wind for a propagation distance of 3 meters. Lab results demonstrate that the FSM significantly reduces beam wander, as measured by both a position sensing device and a point intensity detector. We observe a 100\% increase of the coupled optical power and a scintillation reduction to a fourth of those observed in the uncontrolled optical link. This system is currently being installed in the outdoor testbed to evaluate the performance over 1km.",

keywords = "Angle-of-arrival fluctuations, FSO communications, fast-steering mirror, power fluctuations",

author = "Anguita, \{Jaime A.\} and Durandeau, \{Jos{\'e} P.\} and Carlos Pirela and Sawada, \{Kei B.\} and Andr{\'e}s Seguel and Nelly Cerpa",

note = "Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; 14th Laser Communication and Propagation through the Atmosphere and Oceans ; Conference date: 04-08-2025 Through 06-08-2025",

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series = "Proceedings of SPIE - The International Society for Optical Engineering",

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Anguita, JA, Durandeau, JP, Pirela, C, Sawada, KB, Seguel, A & Cerpa, N 2025, Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link. En JA Anguita & DT Wayne (eds.), Laser Communication and Propagation through the Atmosphere and Oceans XIV., 136170I, Proceedings of SPIE - The International Society for Optical Engineering, vol. 13617, SPIE, 14th Laser Communication and Propagation through the Atmosphere and Oceans, San Diego, Estados Unidos, 4/08/25. https://doi.org/10.1117/12.3060888

Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link. / Anguita, Jaime A.; Durandeau, José P.; Pirela, Carlos et al.
Laser Communication and Propagation through the Atmosphere and Oceans XIV. ed. / Jaime A. Anguita; David T. Wayne. SPIE, 2025. 136170I (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13617).

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

TY - GEN

T1 - Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link

AU - Anguita, Jaime A.

AU - Durandeau, José P.

AU - Pirela, Carlos

AU - Sawada, Kei B.

AU - Seguel, Andrés

AU - Cerpa, Nelly

PY - 2025/9/19

Y1 - 2025/9/19

N2 - We present the characterization and performance analysis of a fast-steering mirror (FSM) system tested over a short-range laser propagation and detection system, as a possible solution to mitigate the unwanted effects induced by the atmosphere on a propagating laser beam. The system's performance is tested under controlled turbulence conditions in the laboratory by means of a flat surface heater and forced lateral wind for a propagation distance of 3 meters. Lab results demonstrate that the FSM significantly reduces beam wander, as measured by both a position sensing device and a point intensity detector. We observe a 100% increase of the coupled optical power and a scintillation reduction to a fourth of those observed in the uncontrolled optical link. This system is currently being installed in the outdoor testbed to evaluate the performance over 1km.

AB - We present the characterization and performance analysis of a fast-steering mirror (FSM) system tested over a short-range laser propagation and detection system, as a possible solution to mitigate the unwanted effects induced by the atmosphere on a propagating laser beam. The system's performance is tested under controlled turbulence conditions in the laboratory by means of a flat surface heater and forced lateral wind for a propagation distance of 3 meters. Lab results demonstrate that the FSM significantly reduces beam wander, as measured by both a position sensing device and a point intensity detector. We observe a 100% increase of the coupled optical power and a scintillation reduction to a fourth of those observed in the uncontrolled optical link. This system is currently being installed in the outdoor testbed to evaluate the performance over 1km.

KW - Angle-of-arrival fluctuations

KW - FSO communications

KW - fast-steering mirror

KW - power fluctuations

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U2 - 10.1117/12.3060888

DO - 10.1117/12.3060888

M3 - Conference contribution

AN - SCOPUS:105024228123

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Laser Communication and Propagation through the Atmosphere and Oceans XIV

A2 - Anguita, Jaime A.

A2 - Wayne, David T.

PB - SPIE

T2 - 14th Laser Communication and Propagation through the Atmosphere and Oceans

Y2 - 4 August 2025 through 6 August 2025

ER -

Anguita JA, Durandeau JP, Pirela C, Sawada KB, Seguel A, Cerpa N. Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link. En Anguita JA, Wayne DT, editores, Laser Communication and Propagation through the Atmosphere and Oceans XIV. SPIE. 2025. 136170I. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.3060888

Optical coupling performance using an FSM to mitigate angle-of-arrival fluctuations in a 1km laser link

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