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R3809u-50 Series

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R3809u-50 Series MICROCHANNEL PLATE- PHOTOMULTIPLIER TUBES (MCP-PMT) R3809U-50 SERIES FEATURES GHigh Speed Rise Time: 160 ps A IRF (Instrument Response Function) : 55 ps (FWHM) GLow Noise GCompact Profile Useful Photocathode: 11 mm diameter (Overall length: 70.2 mm Outer diameter: 45.0 mm) APPLICATIONS GMolecular Science Analysis of Molecular Structure GMedical Science Figure 2: Transit Time Spread (T.T.S.) TPMHB0178EB Optical Computer Tomography 104 GBiochemistry Fast Gene Sequencing G FWHM 25 ps Material Engineering 103 Semiconductor Analysis Crystal Research FWTM 65 ps 102 PMT : R3809U-50 SUPPLY VOLTAGE: -3000 V LASER PULSE : 5 ps (FWHM) COUNTS WAVELENGTH : 596 nm 101 Figure 1: Spectral Response Characteristics 103 TPMHB0771EB -200 0 200 400 600 800 QE=25 % -53, -57 TIME (ps) -58 QE=10 % 102 -50, -58 -51 Figure 3: Block Diagram of T.T.S. Mesuring System QE=1 % 101 MIRROR MODE LOCKED Nd-YAG LASER -52 PULSE DYE 0 QE=0.1 % COMPRESSOR JET 10 MIRROR LASER PULSE WIDTH: 5 ps (FWHM) -50, -53 FILTER BS -57 MONOCHRO- CAVITY METER DUMPER 1 10- R3809U-50 POWER SUPPLY TRIGGER CIRCUIT HAMAMATSU HAMAMATSU PD S5973 C9727 10-2 AMP HAMAMATSU DELAY PHOTOCATHODE RADIANT SENSITIVITY (mA/W) 100 200 300 400500 600 700 800 900 1000 1100 C5594 ORTEC 457 START STOP CFD TAC CFD TENNELEC WAVELENGTH (nm) TC-454 (=CANBERRA 454) MCA COMPUTER TPMHC0078ED Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2015 Hamamatsu Photonics K.K. MCP-PMTs R3809U-50 SERIES SPECIFICATIONS PHOTOCATHODE SELECTION GUIDE Spectral Response (nm) Suffix Number Photocathode Material Window Material Range Peek Wavelength 50 160 to 850 430 Multialkali Synthetic Silica 51 160 to 910 600 Extended Red Multialkali Synthetic Silica 52 160 to 650 400 Bialkali Synthetic Silica 53 160 to 320 230 to 250 Cs-Te Synthetic Silica 57 115 to 320 230 to 250 Cs-Te MgF2 58 115 to 850 430 Multialkali MgF2 GENERAL Parameter Description / Value Unit Effective Photocathode Diameter 11 mm MCP Channel Diameter 6 µm B Dynode Structure 2-stage Filmed MCP — Capacitance between Anode and MCP out 3 pF Weight 99.5 g C Operating Ambient Temperature -50 to +50 °C Storage Temperature -50 to +50 °C MAXIMUM RATINGS (Absolute Maximum Values) Parameter Value Unit Supply Voltage -3400 V Average Anode Current 100 nA D Pulsed Peak Current 350 mA Voltage Divider Current 110 µA E ELECTRICAL CHARACTERISTICS (R3809U-50) at 25 °C Parameter Min. Typ. Max. Unit F Luminous 100 180 — µA/lm Cathode Sensitivity Radiant at 430 nm — 70 — mA/W Gain at -3000 V 1 × 105 3 × 105 — — Anode Dark Counts at -3000 V — — 2000 s-1 G Rise Time — 160 200 ps H Fall Time — 360 650 ps Time Response I J I.R.F. (FWHM) — 45 55 ps K T.T.S. (FWHM) — — 25 ps NOTES A Transit-time spread (T.T.S.) is the fluctuation in transit time between individual pulse and specified as an FWHM (full width at half maximum) with the incident light having a single photoelectron state. B Two microchannel plates (MCP) are incorporated as a standard but we can provide it with either one or three MCPs as an option depending upon your request. C We recommend use R3809U-51 with thermoelectric cooling unit to reduce dark counts (Refer to Figure 5) D This is specified under the operating conditions that the repetition rate of light input is 100 Hz or below and its pulse width is 70 ps. E This data is based on R3809U-50. All other types (suffix number 51 through 58) have different characteristics on cathode sensitivity and anode dark counts. F The light source used to measure the luminous sensitivity is a tungsten filament lamp operated at a distribution temperature of 2856 K. The incident light intensity is 10–4 lumen and 100 V is applied between the photocathode and all other electrodes connected as an anode. G This is the mean time difference between the 10 % and 90 % amplitude points on the output waveform for full cathode illumination. H This is the mean time difference between the 90 % and 10 % amplitude points on the tailing edge of the output waveform for full cathode illumination. I I.R.F. stands for Instrument Response Function which is a convolution of the δ pulse function (H(t)) of the measuring system and the excitation function (E(t)) of a laser. The I.R.F. is given by the following formula: I.R.F. = H(t) × E(t) J We specify the I.R.F. as an FWHM of the time distribution taken by using the measuring system in Figure 13 that is Hamamatsu standard I.R.F. measurement. It can be temporary estimated by the following equation: (I.R.F. (FWHM))2 = (T.T.S.)2 + (Tw)2 + (Tj)2 where Tw is the pulse width of the laser used and Tj is the time jitter of all equipments used. An I.R.F. data is provided with the tube purchased as a standard. K T.T.S. stands for Transit Time Spread (seeA above). Assuming that a laser pulse width (Tw) and time jitter of all equipments (Tj) used in Figure 3 are negligible, I.R.F. can be estimated as equal to T.T.S. (seeJ) above. Therefore, T.T.S. can be estimated to be 25 ps or less. TECHNICAL REFERENCE DATA Figure 4: Typical Gain Figure 5: Variation of Dark Counts Depending on Ambient Temperature TPMHB0179EB TPMHB0180EE 107 105 R3809U-51 104 106 3 ) 10 1 - (s 105 R3809U-50 102 104 CURRENT GAIN DARK COUNT 101 103 100 102 10-1 -2.0 -2.2 -2.4 -2.6 -2.8 -3.0 -3.2 -3.4 -40 -200 20 40 SUPPLY VOLTAGE (kV) AMBIENT TEMPERATURE (°C) Figure 6: Typical Output Deviation as a Function Figure 7: Typical Output Deviation as a Function of Anode DC Current of Anode Count Rate TPMHB0181EA TPMHB0182EA OVERALL SUPPLY VOLTAGE: -3000 V MCP RESISTANCE : 200 MΩ SUPPLY VOLTAGE: -3000 V 50 MCP STRIP CURRENT : 8.15 µA 50 MCP RESISTANCE: 200 MΩ MCP STRIP CURRENT: 8.15 µA DEVIATION (%) DEVIATION (%) -50 -50 -100 -100 101 102 103 104 105 106 107 108 ANODE CURRENT (nA) COUNT RATE (s-1) MCP-PMTs R3809U-50 SERIES Figure 8: Typical Output Waveform Figure 9: Block Diagram of Output Waveform Measuring System TPMHB0183EA ND FILTER PICOSECOND TRIGGER LIGHT R3809U-50 OUT PULSER HAMAMATSU HAMAMATSU C9727 MODEL#PLP-01 HIGH VOLTAGE WAVELENGTH: 410 nm POWER SUPPLY PULSE WIDTH (FWHM) : 35 ps TRIGGER IN 50 Ω LOAD SUPPLY VOLTAGE : -3000 V OSCILLOSCOPE RISE TIME : 160 ps FALL TIME : 360 ps PULSE WIDTH : 300 ps OUTPUT VOLTAGE (20 mV/div) COMPUTER TPMHC0079EE TIME (0.2 ns/div) Figure 10: Typical Pulse Height Distribution (PHD) Figure 11: Block Diagram of PHD Measuring System TPMHB0080EB ND FILTER HALOGEN R3809U-50 LAMP 10 SUPPLY VOLTAGE : -3000 V AMBIENT TEMPERATURE : 25 °C DARK COUNTS : 2000 s-1 (Max.) HAMAMATSU PMT : R3809U-50 HIGH VOLTAGE C9727 8 PEAK : 200 ch POWER SUPPLY 10) DISCRI.LEVEL : 50 ch × 6 SIGNAL + DARK COUNTS LINEAR PRE- COMPUTER MCA AMP AMP COUNTS (1 4 CANBERRA 2005 2 DARK COUNTS TPMHC0080EE 0 50200 400 600 800 1000 PULSE HEIGHT (CHANNEL NUMBER) Figure 12: Typical Instrument Response Function (I.R.F.) Figure 13: Block Diagram of I.R.F. Measuring System TPMHB0083EB HAMAMATSU ND FILTER MODEL#PLP-01 PICOSECOND FWHM: 45 ps WAVELENGTH: 410 nm LIGHT R3809U-50 104 PULSE WIDTH PULSER (FWHM) : 35 ps 103 TRIGGER ) -1 OUT HAMAMATSU C9727 HIGH VOLTAGE 102 POWER SUPPLY HAMAMATSU AMP COUNTS (s C5594 101 ORTEC 457 START STOP DELAY TAC CFD 100 ORTEC 425A TENNELEC TC-454 (=CANBERRA 454) MCA COMPUTER TIME (0.2 ns/div) TPMHC0081EE Figure 14: Dimensional Outline (Unit: mm) 70.2 ± 0.5 EFFECTIVE PHOTOCATHODE 52.5 ± 0.5 DIAMETER WINDOW -HV INPUT 11 MIN. FACE PLATE 3.0 ± 0.2 SHV-R CONNECTOR 0.2 ± 13.7 0.3 ± 45.0 11 MIN. 3.2 ± 0.1 7.0 ± 0.2 ANODE OUTPUT PHOTOCATHODE SMA-R CONNECTOR TPMHA0352EC MCP-PMTs R3809U-50 SERIES PRECAUTIONS FOR PROPER OPERATION Handling on set-up 1) The photomultiplier tube (PMT) is a glass product under high vacuum. EXCESSIVE PRESSURE, VIBRATIONS OR SHOCKS TO THE TUBE FROM THE SURROUNDING COULD CAUSE A PERMANENT DAMAGE. Please pay special attention on insuring proper handling. 2) DO NOT PLACE ANY OBJECTS OF GROUND POTENTIAL CLOSER THAN 5mm TO THE PHOTOCATHODE WINDOW when negative high voltage is applied to the photocathode. It could generate extra noise and damage the photocathode permanently. 3) DO NOT EXPOSE THE PHOTOCATHODE TO SUNLIGHT DIRECTLY and any light stronger than the room light even during of no operation. 4) NEVER TOUCH THE INPUT WINDOW WITH YOUR BARE HANDS. In case the window contaminated by dust or grease, wipe it off using alcohol and a soft cloth or dust free tissue. 5) DO NOT OPERATE OR STORE IN A PLACE OF UNSPECIFIED TEMPERATURE AND HUMIDITY. Supplying high voltage 1) DO NOT SUPPLY ANY VOLTAGE HIGHER THAN SPECIFIED. Also make sure the output current does NOT EXCEED THE MAXIMUM CURRENT specified. 2) This device is very sensitive even with weak light input. When applying high voltage to the tube, GRADUALLY (IDEALLY 100 Vdc STEP BUT 500 Vdc STEP IS OK) AND CAREFULLY INCREASE THE VOLTAGE while monitoring the output using an ammeter or oscilloscope.
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