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Revision history:

Rev. 1.0, August 2016 - Initial release

This quick start guide covers the KETEK SiPM Evaluation Kit only.

For other products please refer to www.ketek.net.

Table of Contents

1 

Introduction

 ..........................................................................................................................3

2 

Setup Example

 ......................................................................................................................3

3 

Single Photon Measurements

 ..............................................................................................4

3.1 

Dark Count Spectrum ....................................................................................................................... 4

3.2 Single Photon Spectrum 

 .................................................................................................................. 4

3.3 Using the Full Dynamic Range

 .......................................................................................................... 4

4 

Measurements with Scintillator

 ...........................................................................................5

4.1 

Energy Spectrum .............................................................................................................................. 5

4.2 Coincidence Time Resolution

 ........................................................................................................... 6

5 

Appendix ..............................................................................................................................7

5.1 Variant for Optical Bench Mount

 ..................................................................................................... 7

5.2 SiPM Bias Source

 .............................................................................................................................. 7

SiPM

Eval Kit

 

www.aptechnologies.co.uk

AP 

Technologies Limited   The Coach House   Watery Lane   Bath   BA2 1RL

 

T:  +44 (0) 1225 780400    F:  +44 (0) 8701 266449    E:  info@aptechnologies.co.uk 

Summary of Contents for SiPM

Page 1: ...www ketek net info ketek net Hofer Str 3 81737 Munich Germany phone 49 89 673 467 70 fax 49 89 673 467 77 KETEK GmbH www aptechnologies co uk AP Technologies Limited The Coach House Watery Lane Bath BA2 1RL T 44 0 1225 780400 F 44 0 8701 266449 E info aptechnologies co uk ...

Page 2: ...easurements 4 3 1 Dark Count Spectrum 4 3 2 Single Photon Spectrum 4 3 3 Using the Full Dynamic Range 4 4 Measurements with Scintillator 5 4 1 Energy Spectrum 5 4 2 Coincidence Time Resolution 6 5 Appendix 7 5 1 Variant for Optical Bench Mount 7 5 2 SiPM Bias Source 7 SiPM Eval Kit www aptechnologies co uk AP Technologies Limited The Coach House Watery Lane Bath BA2 1RL T 44 0 1225 780400 F 44 0 8...

Page 3: ... An over view is shown in figure 1 Signal lines need to be be terminated with 50 Ω Preamplifier power 12V DC 150 mA Bias positive with max 40 V typical current limit 2 mA Signal connected to the preamplifier Note Signal corresponds to 90 of the SiPM signal Monitor connected to an oscilloscope 50 Ω DC Note Monitor corresponds to 10 of the SiPM signal Amplified Signal connected to an oscilloscope 50...

Page 4: ...ed by the same optical pulse e g with an optical beam splitter The other path for the single photon measurement can be attenuate e g with neutral density filters Measure the area respectively the charge of the SiPM signal in e g a 25 ns wide gate The histogram of the measured charge is the single photon spectrum cf fig 2 Note E g the relative gain breakdown voltage and photo detection efficiency c...

Page 5: ...ge released by the SiPM corresponding to the deposited energy in the scintillator Evaluation Kits can be ordered either with unmounted or premounted LYSO crystals on the SiPMs For PM11 1 2 x 1 2 mm active area LYSO with 1 2 x 1 2 x 4 0 mm For PM33 3 0 x 3 0 mm active area LYSO with 3 0 x 3 0 x 5 0 mm For PM66 6 0 x 6 0 mm active area LYSO with 5 0 x 5 0 x 5 0 mm 4 1 Energy Spectrum In analogy to s...

Page 6: ...he minimum between Compton edge and 511 keV photopeak to filter for the energy respectively coincident events The Coincidence Timing can then be measured by the time difference of both Amplified Signals The output of the coincidence logic triggers the measurement of the timestamps of both Amplified Signals Note Best timinig is achieved with a timing measurement close to the baseline Typically with...

Page 7: ... the Evaluation Kit 5 2 SiPM Bias Source As an addon to both Evaluation Kits a SiPM Bias Source is available cf fig 5 It offers an adjustable bias voltage from 20 to 40 V with either positive or negative polarity Current limit can be set to either 2 or 20 mA For full technical specifications please refer to the KETEK SiPM Bias Source Datasheet Fig 5 SiPM Evaluation Kit for Optical Bench Mount with...

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