C-BLUE One: a family of CMOS high speed cameras for wavefront sensing

J. L. Gach; D. Boutolleau; T. Carmignani; F. Clop; I. De Kernier; P. Feautrier; M. Florentin; S. Lemarchand; J. Pettigiani; T. Romano; E. Stadler; J. Tugnoli; Y. Wanwanscappel

doi:10.1117/12.2629259

29 August 2022 C-BLUE One: a family of CMOS high speed cameras for wavefront sensing

J. L. Gach, D. Boutolleau, T. Carmignani, F. Clop, I. De Kernier, P. Feautrier, M. Florentin, S. Lemarchand, J. Pettigiani, T. Romano, E. Stadler, J. Tugnoli, Y. Wanwanscappel

Author Affiliations +

Proceedings Volume 12185, Adaptive Optics Systems VIII; 121852N (2022) https://doi.org/10.1117/12.2629259
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

We present the evolutions of the C-BLUE One family of cameras (formerly introduced as C-MORE), a laser guide star oriented wavefront sensor camera family. Within the Opticon WP2 european funded project, which has been set to develop LGS cameras, fast path solutions based on existing sensors had to be explored to provide working-proven cameras to ELT projects ready for the first light schedule. Result of this study, C-BLUE One is a CMOS based camera with 1600x1100 pixels (9um pitch) and 481 FPS refresh rate. It has been developed to answer most of the needs of future laser based adaptive optics systems (LGS) to be deployed on 20-40m-class telescopes as well as on smaller ones. We present the main features of the camera and measured performance in terms of noise, dark current, quantum efficiency and image quality which are the key parameters for the application. The camera has been declined also in fast smaller format (800x600x1500FPS) and large format (3200X2200x250FPS) to cover most of the AO applications.

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J. L. Gach, D. Boutolleau, T. Carmignani, F. Clop, I. De Kernier, P. Feautrier, M. Florentin, S. Lemarchand, J. Pettigiani, T. Romano, E. Stadler, J. Tugnoli, and Y. Wanwanscappel "C-BLUE One: a family of CMOS high speed cameras for wavefront sensing", Proc. SPIE 12185, Adaptive Optics Systems VIII, 121852N (29 August 2022); https://doi.org/10.1117/12.2629259

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