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R3809U-61 Datasheet(PDF) 2 Page - Hamamatsu Corporation |
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R3809U-61 Datasheet(HTML) 2 Page - Hamamatsu Corporation |
2 / 4 page MCP-PMT R3809U-61/-63/-64 SPECIFICATIONS Parameter R3809U-61 R3809U-63 R3809U-64 Unit Spectral Response Peak Wavelength Photocathode Material Window Material Effective Area of PMT Stage of MCP B Operating Ambient Temperature Storage Temperature 370 to 920 750 to 850 GaAs 280 to 720 550 to 650 GaAsP 280 to 820 550 to 650 Extended Red GaAsP Borosilicate Glass 10 2 -50 to +50 -50 to +50 nm nm — — mm — °C °C GENERAL Parameter R3809U-61 Typ. R3809U-64 Unit Cathode Sensitivity Luminous D Radiant E Quantum Efficiency E Rise Time G Fall Time H IRF (FWHM) A 700 85 12 2 × 105 20 I 200 500 150 Max. — — — — — — — — Min. 400 — — 1 × 105 — — — — R3809U-63 Typ. 750 160 36 2 × 105 2 × 104 180 400 60 Max. — — — — — — — — Min. 450 — 27 1 × 105 — — — — Typ. 700 180 40 2 × 105 1 × 104 180 400 60 Max. — — — — — — — — Min. 400 — 30 1 × 105 — — — — µA/lm µA/W % — s-1 ps ps ps CHARACTERISTICS (at -3000 V, +25 °C) Parameter R3809U-61 R3809U-63 R3809U-64 Unit PMT Supply Voltage Average PMT Anode Current Pulsed Peak Current C NOTE: -3400 100 350 V nA mA MAXIMUM RATING GR3809U-61/-63/-64 A IRF stands for Instrument Response Function which is a convolution of the δ pulse function (H(t)) of the measuring system and the excita- tion function (E(t)) of a laser. The IRF is given by the following formula: IRF = H(t) × E(t) We specify the IRF as an FWHM of the time distribution taken by using the measuring system in Figure 5 that is Hamamatsu standard IRF measurement. It can be temporary estimated by the following equation: (IRF (FWHM))2 = (TTS)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 IRF data is provided with the tube pur- chased as a standard. Transit-time spread (TTS) 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 depend- ing upon your request. C 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 picosec- onds. D 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 lm and 100 V is applied between the photocathode and all other electrodes connected as an anode. E Measured at the peak sensitivity wavelength. F At 30 minutes after high voltage is applied with shutter closed 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 il- lumination. I At -30 °C Gain Anode Dark Count F Time Response |
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