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| HPD (HYBRID PHOTO-DETECTOR) MODULES PRELIMINARY DATA OCT. 2000 H8236-07, -40 PATENT PENDING The HPD (Hybrid Photo-Detector) is a new vacuum photo-detector including a photocathode and an avalanche diode. The HPD provides a gain of more than 1000 in a single multiplication process called 'electron bombardment multiplication'. The photoelectrons from the photocathode are accelerated by a strong electric field to hit the avalanche diode and release a large number of electron-hole pairs corresponding to the acceleration energy. This excellent first multiplication process enables the HPD to achieve excellent multi-photon energy resolution. This first multiplication process is followed by the second avalanche mode multiplication to provide sufficient gain for a variety of applications. H8236 is an HPD module, containing high voltage power supplies and a pre-amplifier. FEATURES q Able to discriminate multi-photon events q Low excess noise q High Q.E. from 450 nm to 650 nm (H8236-40) q Simple operation Built-in high voltage power supply and pre-amplifier q Low after pulse APPLICATIONS q Photon counting application q Low intensity pulse detection q Laser scanning microscope q Particle counter SPECIFICATIONS Parameter Spectral Response Peak Sensitivity Wavelength Photocathode Material Quantum Efficiency E Effective Area Sensitivity Bandwidth Offset (Typ.) Noise r.m.s. (Typ.) AC coupled Load Impedance DC coupled Maximum Voltage Polarity To Pre-amplifier (PIN 2) To Diode Bias Power Supply (PIN 4) To High Voltage (PIN 8) To Diode Bias Voltage (PIN 6) A Signal Output Input Power/Current Recommended Control Voltage Range Signal Connector Control Connector Weight H8236-07 H8236-40 160 to 850 350 to 720 420 550 Multialkali GaAsP(Cs) 15 40 8 5 0.2 E 0.7 E 6 mV/1 photoelectron DC to 3.5 MHz -0.7 1 more than 50 more than 5 -5 Negative -12 V dc/6 mA +12 V dc/50 mA +3 to +8 B +3.5 to +7.6 CD BNC-R 12-pin connector (Hirose: HR10A-10R-12P) Approx. 370 -12.5 +16 +8.5 D 0 to +40 90 F 4 380 1 105 Unit nm nm -- % mm Min. V/nW -- -- V dc mV k V Max. -- -- -- V dc V dc -- -- g V dc V dc V dc -- C %RH nW nW MAXIMUM RATINGS (Absolute Maximum Value) PIN 2 PIN 4 PIN 8 Control Voltage PIN 6 Operating Ambient Temperature Operating Humidity Average Input Light Power E Peak Input Light Power EG Input Power NOTE: A at 8 V (or set the HV knob to -8 kV on the front panel of the HPD module power supply C8237) to PIN 8 and 7.5 V (or set the C8237 diode bias voltage to +150 V) to PIN 6 B or "-3 kV" to "-8 kV" high voltage on the C8237 front panel C or "70 V" to "152 V" diode bias voltage on the C8237 front panel D The characteristics of the bias voltage vs. avalanche gain curve of the diode inside are affected by the ambient temperature conditions, and even under the same ambient temperature conditions resulting curve may differ between diodes from different production lots. Refer to the individual data sheet attached to the module. E at peak sensitivity wavelength F without moisture condensation G at 3 V (or set the C8237 HV knob to -3 kV) to PIN 8 and 7.5 V (or set the C8237 diode bias voltage to +150 V) to PIN 6. Input light pulse: 50 ns (FWHM), 200 kHz. 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. (c)2000 Hamamatsu Photonics K.K HPD (HYBRID PHOTO-DETECTOR) MODULES H8236-07, -40 Figure 1: Measurement Set-up Example Figure 2: Multi-photoelectron Pulse Height Distribution 1000 TPMOB0110EA PIN 8 (HIGH VOLTAGE): 8 V PIN 6 (DIODE BIAS VOLTAGE): 7.5 V SINGLE P.E. COUNTS PER CHANNEL 800 DOUBLE P.E. 600 HPD MODULE H8236-07, -40 HPD MODULE POWER SUPPLY C8237 TRIPLE P.E. 400 Single photoelectron Double p.e. Triple p.e. 200 0 0 500 1000 OSCILLOSCOPE TPMOC0126EA ADC CHANNEL NUMBER Figure 3: Typical Spectral Response TPMOB0106EB Figure 4: PIN 6: Diode Bias Voltage vs. Radiant Sensitivity H8236-40 103 H8236-07 104 TPMOB0108EA at 420 nm PIN 8 : 8 V (-8 kV)B PIN 8 : 5 V (-5 kV)B PIN 8 : 3 V (-3 kV)B H8236-07 RADIANT SENSITIVITY (mV/nW) QUANTUM EFFICIENCY (%) RADIANT SENSITIVITY (mV/nW) RADIANT SENSITIVITY 102 QUANTUM EFFICIENCY 103 102 101 101 100 100 PIN 8 (HIGH VOLTAGE): 8 V PIN 6 (DIODE BIAS VOLTAGE): 7.5 V 10-1 100 200 300 400 500 600 700 800 900 1000 10-1 3.5 4.0 4.5 5.0 5.5 6 6.5 7.0 7.5 8.0 (70)A (80)A (90)A (100)A (110)A (120)A (130)A (140)A (150)A PIN 6: DIODE BIAS VOLTAGE (V) H8236-40 TPMOB0109EB WAVELENGTH (nm) RADIANT SENSITIVITY (mV/nW) 104 at 550 nm PIN 8 : 8 V (-8 kV)B PIN 8 : 5 V (-5 kV)B PIN 8 : 3 V (-3 kV)B 103 102 101 100 10-1 3.5 4.0 4.5 5.0 5.5 6 6.5 7.0 7.5 8.0 (70)A (80)A (90)A (100)A (110)A (120)A (130)A (140)A (150)A PIN 6: DIODE BIAS VOLTAGE (V) * A: set the C8237 diode bias voltage B: set the C8237 HV Figure 5: Internal Block Diagram HPD PREAMPLIFIER BNC-R (SIGNAL OUT) HIGH VOLTAGE POWER SUPPLY DIODE BIAS POWER SUPPLY INPUT VOLTAGE CONTROL VOLTAGE TPMOC0125EA Figure 6: Dimensional Outline (Unit: mm) 2 1.5 PHOTOCATHODE A CONNECTION (12-PIN CONNECTOR) 1 2 70.0 0.5 26.0 0.3 3 4 5 1 2 3 4 5 6 7 8 120.0 0.5 9 !0 !1 !2 NC -12 V (6 mA) GND +12 V (50 mA) GND 0 to +7.6 V (DIODE BIAS VOLTAGE: 0 to +152 V) GND 0 to +8.5 V (HIGH VOLTAGE: 0 to -8.5 kV) GND DIODE BIAS MONITOR OUTPUT GND NC TPMOA0007EB A CROSSSECTION 9 !0 8 !2 6 7 !1 INPUT WINDOW HPD GROOVE FOR O-RING (CO0612 O-RING, SUPPLIED) 14.0 0.2 24 34.0 0.3 4-M3 48.0 0.3 NOTE Keep the input window at least 7 mm away from the ground potential during use. HPD (HYBRID PHOTO-DETECTOR) MODULES H8236-07, -40 HPD MODULE CONTROL UNIT C8237 (OPTIONAL) SPECIFICATIONS The C8237 HPD module power supply unit converts ac power to the dc voltages to be used with H8236 series. Control knobs on the front panel adjust the diode bias voltage and the high voltage that determine the module gain. Input to Pre-Amplifier to Diode Bias Power Supply Output to High Voltage Control 85 to 240 V ac -12 V dc, +12 V dc * +12 V dc 0 to +8.5 V dc (0, 1, 2, 3, 4, 5, 6, 7, 8, 8.5 V dc) 0 to +7.75 V dc (Continuously) 12-pin connector (Hirose: HR10A-10R-12P) 1.5 m to Diode Bias Voltage Control Connector Connection Cable Length * not to be used for H8236 Dimensional Outline (Unit: mm) [FRONT VIEW] HPD MODULE CONTROL UNIT [SIDE VIEW] 40 POWER DIODE BIAS MONITOR (V) DIODE BIAS HV(-kV) 160 143 CONNECTION (12-PIN CONNECTOR) 1 2 3 4 5 !1 !0 !2 6 9 8 7 1 2 3 4 5 6 7 8 9 !0 !1 !2 +12 V* -12 V GND +12 V GND 0 to +7.75 V (to DIODE BIAS VOLTAGE: 0 to +155 V) GND 0 to +8.5 V (to HIGH VOLTAGE: 0 to -8.5 kV) GND DIODE BIAS MONITOR INPUT GND NC TPMOA0009EB * not to be used for H8236 *PATENTS PENDING: JAPAN 5, USA 4, EUROPE 3 HOMEPAGE URL http://www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Electron Tube Center 314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205 U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218 E-mail: usa@hamamatsu.com Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 E-mail: info@hamamatsu.de France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10 E-mail: infos@hamamatsu.fr United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: 44-(0)1707-294888, Fax: 44(0)1707-325777 E-mail: info@hamamatsu.co.uk North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171-41 SOLNA, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01 E-mail: info@hamamatsu.se TPMO1011E03 Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741 E-mail: info@hamamatsu.it OCT. 2000 IP Printed in Japan (1000) |
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