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SiPMs timing performance, results, cost. Sept. 27-28, 2012 Anatoly Ronzhin

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SiPMs timing performance, results, cost. Sept. 27-28, 2012. Anatoly Ronzhin. Main SiPMs timing parameters to study at FNAL. STMs, MPPCs, KETEK, IRST, CPTA, SensL , MePHI -PULSAR…. Pulse shape, rise time, fall time, recovery time… Single Photoelectron Time Resolution, SPTR - PowerPoint PPT Presentation

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Page 1: SiPMs timing performance, results, cost. Sept. 27-28, 2012

SiPMs timing performance, results, cost.Sept. 27-28, 2012

Anatoly Ronzhin

Page 2: SiPMs timing performance, results, cost. Sept. 27-28, 2012

Main SiPMs timing parameters to study at FNAL. STMs, MPPCs, KETEK, IRST, CPTA, SensL, MePHI-PULSAR…

• Pulse shape, rise time, fall time, recovery time…• Single Photoelectron Time Resolution, SPTR• Noise floor.

Some other issues:• Light sources. PiLas. Crystals.• Front end. Clipping, amplifiers, etc… • DAQ. Ortec, DRS4, etc…• Cost.

Anatoly Ronzhin, September 27, 2012, Fermilab

Page 3: SiPMs timing performance, results, cost. Sept. 27-28, 2012

Pulse shape

Anatoly Ronzhin, September 27, 2012, Fermilab

Page 4: SiPMs timing performance, results, cost. Sept. 27-28, 2012

Single Photoelectron Time Resolution, SPTR, noise

‘ Noise,0.3 mV,rms

Anatoly Ronzhin, September 27, 2012, Fermilab

Page 5: SiPMs timing performance, results, cost. Sept. 27-28, 2012

SensL

Anatoly Ronzhin, September 27, 2012, Fermilab.

Page 6: SiPMs timing performance, results, cost. Sept. 27-28, 2012

MPPC

Anatoly Ronzhin, September 27, 2012, Fermilab.

Page 7: SiPMs timing performance, results, cost. Sept. 27-28, 2012

STM

.

Anatoly Ronzhin, September 27, 2012, Fermilab.

Page 8: SiPMs timing performance, results, cost. Sept. 27-28, 2012

SiPMs applications, TB, Ortec, DRS4 readout

.

Anatoly Ronzhin, September 27, 2012, Fermilab

Page 9: SiPMs timing performance, results, cost. Sept. 27-28, 2012

TB, HPS?

.

Anatoly Ronzhin, September 27, 2012, Fermilab.

Page 10: SiPMs timing performance, results, cost. Sept. 27-28, 2012

PET-TOF at FNAL

• Anatoly Ronzhin, Sept 27, 2012, Fermilab, AEM

Anatoly Ronzhin, September 27, 2012, Fermilab

Page 11: SiPMs timing performance, results, cost. Sept. 27-28, 2012

We started with 2 SiPMs with LYSO, DRS4

.

Anatoly Ronzhin, September 27, 2012, Fermilab

We found method to improve time resolution by “clipping” SiPM signal with capacitance. We got ~11% photopeak resolution, 188 ps, FWHM, CTR. Conditions: LYSO, 3x3x15 mm3, Na22. This resilt was obtained with DRS4, 200 ps/sample, previously was used ORTEC, 3.1ps/bin…

Page 12: SiPMs timing performance, results, cost. Sept. 27-28, 2012

Next: 4x4 matrix, SL readout, CAEN V1742…

.

Anatoly Ronzhin, September 27, 2012, Fermilab.

Page 13: SiPMs timing performance, results, cost. Sept. 27-28, 2012

4x4 matrix, CAEN V1742

.

Anatoly Ronzhin, September 27, 2012, Fermilab

Page 14: SiPMs timing performance, results, cost. Sept. 27-28, 2012

Anatoly Ronzhin, September 27, 2012, Fermilab

Summary• Continue Fermilab TOF systems development. Our area: silicon photomultipliers

and new readout, based on fast wave forms digitizers (e.g. DRS4). • We found simple method to improve time resolution by clipping capacitance.• The best time resolution obtained with STM in beam conditions is at level of 14 ps,

sigma, (new STMs, new readout, DRS4, FTBF).• Concentrated now on PET-TOF development. Obtained PET-TOF coincidence time

resolution, (CTR), is 188 ps, FWHM, 3x3x15 mm3 LYSO crystals.• One of the possible future readout based on Strip Line (SL). Obtained time

resolution on a beam ~10 ps with the SL.• Work together (including direct contacts) with STM producers (Massimo Mazzillo)

and DRS4 inventor (Stephen Ritt). We also benefit from direct contact with PSEC4 producers in frame of LAPPD project.

• We have studied timing properties Single Photoelectron Time Resolution (SPTR), signal shape dependence on SiPm structure, SiPms noise floor of several SiPms producers (STM, MPPC, IRST (FBK), SensL, MePhi, CPTA, etc.).

• A library of traces, with 20 ps accuracy, of all tested SiPMs arranged. The library is used for SiPM output signal modeling with different light sources.

• We have limited our choice with two types of SiPms now - STM, Catania, Italy and MPPC. The MPPC used as reference. This is because of very good last results with STMs (including last P on N structure), perfect feedback and free of charge STMs delivery to FNAL.

• Cost. STM-$2/mm2 (engineering samples), MPPC-$8-10/mm2.

12


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