Large-format photodetecting system pCam6060 with a GSENSE6060BSI CMOS detector, developed at SAO RAS and optimized for photometric methods

Afanasieva I.; Murzin V.; Ardilanov V.; Ivaschenko N.; Pritychenko M.

doi:doi:10.26119/VAK2024.158

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Large-format photodetecting system pCam6060 with a GSENSE6060BSI CMOS detector, developed at SAO RAS and optimized for photometric methods

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LARGE-FORMAT PHOTODETECTING SYSTEM PCAM6060 WITH A GSENSE6060BSI CMOS DETECTOR, DEVELOPED AT SAO RAS AND OPTIMIZED FOR PHOTOMETRIC METHODS

Section: ASTRONOMICAL INSTRUMENTS AND METHODS

Proceedings: MODERN ASTRONOMY: FROM THE EARLY UNIVERSE TO EXOPLANETS AND BLACK HOLES Volume 1

UDK 52 Астрономия. Геодезия UDK 53 Физика UDK 520 Инструменты, приборы и методы астрономических наблюдений, измерений и анализа UDK 521 Теоретическая астрономия. Небесная механика. Фундаментальная астрономия. Теория динамической и позиционной астрономии UDK 523 Солнечная система UDK 524 Звезды и звездные системы. Вселенная Солнце и Солнечная система UDK 52-1 Метод изучения UDK 52-6 Излучение и связанные с ним процессы

GRNTI 41.00 АСТРОНОМИЯ GRNTI 29.35 Радиофизика. Физические основы электроники GRNTI 29.31 Оптика GRNTI 29.33 Лазерная физика GRNTI 29.27 Физика плазмы GRNTI 29.05 Физика элементарных частиц. Теория полей. Физика высоких энергий

OKSO 03.06.01 Физика и астрономия OKSO 03.05.01 Астрономия OKSO 03.04.03 Радиофизика

BBK 2 ЕСТЕСТВЕННЫЕ НАУКИ BBK 223 Физика

TBK 614 Астрономия TBK 6135 Оптика

BISAC SCI004000 Astronomy BISAC SCI005000 Physics / Astrophysics

Afanasieva I. ¹

Murzin V. ²

Ardilanov V. ³

Ivaschenko N. ⁴

Pritychenko M. ⁵

Author and publication information

Authors:

1. Special Astrophysical Observatory of the Russian Academy of Sciences

2. Special Astrophysical Observatory of the Russian Academy of Sciences

3. Special Astrophysical Observatory of the Russian Academy of Sciences

4. Special Astrophysical Observatory of the Russian Academy of Sciences

5. Special Astrophysical Observatory of the Russian Academy of Sciences

Type:

Сonference article

DOI:

https://doi.org/10.26119/VAK2024.158

EDN:

https://elibrary.ru/ptbtqf

Published:

27.12.2024

Subject area:

52
53
520
521
523
524
52-1
52-6
41.00
29.35
29.31
29.33
29.27
29.05
03.06.01
03.05.01
03.04.03
2
223
614
6135
SCI004000
SCI005000

Language:

English

Keywords:

instrumentation: detectors; methods: statistical

Abstract and keywords

Abstract (English):
The pCam6060 photodetecting system has been developed at SAO RAS based on the GSENSE6060BSI photodetector manufactured by GPixel (China) with a frame format of

6144 \times 6144

active pixels and a pixel size of 10 micrometers. The readout speed reaches 11 fps. The back-illuminated detector has a wide spectral range of 200–1040 nm with a minimum quantum efficiency (QE) of 10% and a maximum sensitivity of 95% at 580 nm. The quantum efficiency in the near-infrared range is 58% at 850 nm. The pCam6060 system controller implements a mode of simultaneous image readout via two 12-bit video channels with different gain and their subsequent combination in the controller into a single frame with an extended 16-bit dynamic range. This method achieves simultaneously a low readout noise level (about 3 e

^{-}

) in the high-gain channel and a large dynamic range (full well capacity of about 100000 e

^{-}

) in the low-gain channel. Back-illuminated CMOS detectors, unlike front-illuminated devices, are not susceptible to the long-term preservation of the residual charge from previous exposures, which makes them suitable for recording faint objects in photometric long-exposure observing methods. Communication between the host computer and the camera is carried out via a fiber optic line at distances of up to 50 m. Video data are recorded on the computer hard drive in real-time. The pCam6060 photodetecting system is designed for astronomical applications and has a moisture-proof design.

Keywords:
instrumentation: detectors; methods: statistical

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References

1. Afanasieva I.V., Murzin V.A., Ardilanov V.I., et al., 2019, Space Debris: Fundamental and Practical Aspects of the Threat, Proc. All-Russian Conf., ed. L.M. Zelenyi, B.M. Shustov, p. 52

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10. Vlasyuk V.V., Afanasieva I.V., Ardilanov V.I., et al., 2024, Physics-Uspekhi, 67, p. 405

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