Scintillation readout with MAPD array for gamma spectrometer

Akbarov, R.; Nuruyev, S.; Ahmadov, G.; Ahmadov, F.; Tyutyunnikov, S.I.; Sadigov, A.; Mammadov, R.; Holík, M.; Berikov, D.; Kopatch, Yu. N.

doi:10.1088/1748-0221/15/01/c01001

Cited by 10 publications

(13 citation statements)

References 11 publications

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“…An MAPD-3NK photodiode and LFS scintillator were used in the development of a scintillation detector for CT [2]. Photodiode MAPD has an area of 3.7 × 3.7 mm, operating voltage 91V, gain 100,000 and photon detection efficiency (PDE) 40% [3]. The LFS scintillator had dimensions 3x3x10 mm [1].…”

Section: Detector and Information Transmission Mod-mentioning

confidence: 99%

Compact gamma detector module for radiation monitoring

A.¹,

Ahmadov²,

K.³

et al. 2022

Preprint

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Modern unmanned technologies make it possible to implement them in almost all industries, including radiation monitoring. Already in 2011, at the Fukushima nuclear power plant accident, the first drones were demonstrated to measure the radiation background of the territories. Improvement of such devices is one of the topical directions. Our research team has proposed the concept of a gamma radiation detector module for unmanned aerial vehicles. The concept is represented by a matrix of modernized silicon photomultipliers based on silicon structures. The new structures have a design of deep pixel photodiodes of the MLPD type. Today's experimental samples have superiority in such parameters as high efficiency of registration of ionizing radiation. Also, such parameters as low sensitivity to vibrations and low power consumption of photodiodes make it possible to integrate them into unmanned and small-sized radiation monitoring systems.

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Section: Detector and Information Transmission Mod-mentioning

confidence: 99%

Compact gamma detector module for radiation monitoring

A.¹,

Ahmadov²,

K.³

et al. 2022

Preprint

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“…In our case energy resolution depends on the PDE of MAPD. Therefore, improving the PDE of MAPD while maintaining linearity is very important for radiation detectors [4,[9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Investigation of parameters of new MAPD-3NM silicon photomultipliers

Ahmadov

Akbarov

et al. 2022

J. Inst.

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In the presented work, the parameters of a new MAPD-3NM-II photodiode with buried pixel structure manufactured in cooperation with Zecotek Company are investigated. The photon detection efficiency, gain, capacitance and gamma-ray detection performance of photodiodes are studied. The SPECTRIG MAPD is used to measure the parameters of the MAPD-3NM-II and scintillation detector based on it. The obtained results show that the newly developed MAPD-3NM-II photodiode outperforms its counterparts in most parameters and it can be successfully applied in space application, medicine, high-energy physics and security.

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“…An increase in the pixel area (𝐶 𝑝 is proportional to 𝑆 𝑝 ) allowed reaching the photodiode gain ∼ 3 • 10 4 , and PDE ∼ 15% [19]. However, MAPD further increase of the PDE to levels beyond 20%, may be necessary for some medical applications, high energy physics experiments and public security [20][21][22][23][24][25][26][27][28][29][30][31][32]. The gain and PDE of MAPD photodiodes were further improved by increasing the pixel diameter to 5 μm, and the pitch to 7 μm.…”

Section: Introductionmentioning

confidence: 99%

Improvement of parameters of micro-pixel avalanche photodiodes

Sadigov¹,

Ahmadov²,

Sadygov³

et al. 2022

J. Inst.

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The paper is concerned with the parameter study of a new generation of micro-pixel avalanche photodiodes (MAPD) with deeply buried pixel structure, also named silicon photomultipliers (SiPM) or multi-pixel photon counter (MPPC). The new MAPD of type MAPD-3NM was manufactured in the frame of collaboration with Zecotek Company. Measurements were carried out and discussed in terms of the important parameters such as the current-voltage and capacitance-voltage characteristic, gain, the temperature coefficient of breakdown voltage, breakdown voltage, and gamma-ray detection performance using an LFS scintillator. The obtained results showed that the newly developed MAPD-3NM photodiode outperformed the previous generation in most parameters and can be successfully applied in space application, medicine, high-energy physics, and security. New proposals are also discussed, for further improvement of the parameters of the MAPD photodiodes that will be produced in the coming years.

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Scintillation readout with MAPD array for gamma spectrometer

Cited by 10 publications

References 11 publications

Compact gamma detector module for radiation monitoring

Compact gamma detector module for radiation monitoring

Investigation of parameters of new MAPD-3NM silicon photomultipliers

Improvement of parameters of micro-pixel avalanche photodiodes

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