lnformation furnished by hamamatsu is b elieved to be reliabie. however, no responsibility is assumed for possibie inaccuracies or ommissions. specifications are subject to change without notice. no patent right are granted to any of the circuits described herein. 1997 hamamatsu photonics k.k. subject to local technical requirements and regulations, availability of products included in this promotional material may vary. please consult with our sales office. photomultlpller tubes r3310-02, r4330-02 ingaas (cs) photocathode, wide spectral response, 51mm (2") dia., head-on type for photon counting : low dark counts, excellent p.h.d. general features parameter description/value unit spectral response hamamatsu r3310-02 and r4330-02 are 51mm (2") diameter head-on type photomultiplier tubes having ingaas (cs) photocath- odes, and linear focused cubeo dynodes. the ingaas (cs) photocathode allows high sensitivity over a wide spectral range up to 1040nm. the r3310-02 and the r4330-02 are selected for photon counting, and they feature low dark counts and excellent pulse height distribution (phd) of single photoelectrons. wavelength of maximum response r3310-02 300 to 1040 nm r4330-02 160 to 1040 nm r3310-02 borosilicate glass (k-free) r4330-02 synthetic silica glass nm photocathode materiai 400 structure approx. 2 pf anode to last dynode approx. 3 pf anode to all other electrodes minimum effective area ingaas(cs) secondary emitting surface cu-beo mm window material weight 10 10 g 110 g 93 r3310-02 r4330-02 dynode direct interelectrode capacitances base linear focused number of stages 10 21-pin base e678?1d (option) mode opaque suitabie socket e678?1c (supplied) wide spectral response high quantum efficiency in ir ........... fast rise time ...................................... excellent single photoelectron pulse height distribution ........................... peak to valley ratio 2.3 (at ?0 ) low dark counts ....................... 30cps typ. (at ?0 ) applications raman spectroscopy fluorescent spectroscopy astrophysical measurement laser detection 0.25% at 1 m 3.0ns at 1500v figure 1: typical spectral response r3310-02 ........................................... r4330-02 ............................................ 300 to 1040nm 160 to 1040nm tpmhb0051ea 100 300 500 700 900 wavelength (nm) 10 ? cathode radiant sensitivity (ma/w) quantum efficiency (%) 1100 10 ? 10 0 10 1 10 2 quantum efficiency r4330-02 r3310-02 r3310-02 r4330-02 cathode radiant sensitivity
photomultlpller tubes r3310-02, r4330-02 characteristlcs (at 25 ) parameter min. typ. max. cathode sensitivity anode dark current single photoelectron phd (peak to valley ratio) 520 150 radiant at 253.7nm (hg-line) r4330 series 150 red/white ratio 0.4 at 852.1nm (cs-line) at 852.1nm (cs-line) at 1000nm 30 at 900nm at 900nm 9.4 at 1000nm at 1000nm 8.1 at 253.7nm (hg-line) r4330 series 2 anode pulse rise time 3.0 electron transit time 23 time response quantum efficiency 80 1.1 0.13 0.25 15 anode sensitivity gain equivalent anode dark current unit luminous radiant at 253.7nm (hg-line) r4330 series luminous 50 15 1.0 10 4 3.1 10 3 2.7 10 3 6.6 10 2 3.3 10 5 30 2.3 na ma/w ma/w ma/w ma/w ns ns a/lm % % a/lm a/w a/w a/w a/w cps e f f g h h j k h l m maximum ratings (absolute maximum values) parameter value supply voltage between anode and cathode between anode and last dynode 2200 250 1 ?0 to +50 vdc vdc a average anode current unit ambient temperature d a 10 pa average cathode current c 6 10 6 cps average pulse count rate b notes a b c d e f g h j k averaged over any interval of 30 seconds maximum. measured at single photoelectron level. the discriminator level is set at valley point. in practical operation, the cathode current should be lower than 2pa to pre- vent shortening the life of the photocathode. for cooling operation, another ceramic socket, type number e678-21d is rec- ommended, because the teflon socket type number e678-21c supplied with the tube is not suitable for cooling operation due to its high thermal expansion coef- ficient. alternatively, it is recommended to solder a resistor, capacitor, etc. di- rectly on stem pins using a socket contact (100-2520s) supplied by winchester. supply voltage is 150 volts between the cathode and all other electrodes. the light source is a tungsten filament lamp operated at a distribution tempera- ture of 2856k. the quotient of the cathode sensitivity measured with the light source is the same as note passing through a red filter (toshiba r-68) divided by the cathode luminous sensitivity without the red filter. measured with supply voltage and voltage distribution ratio in table 1. measured with supply voltage to provide the anode luminous sensitivity of 40 (a/lm) and the voltage distribution ratio in table 1 after 30 minutes storage in the darkness. measured with supply voltage that gives 2 10 6 gain and with the voltage distri- bution ratio shown in table 1 after one hour storage in the cooler set at ?0 . the discriminator is set at 1/3 of a single photoelectron level. the rise time is the time it takes the output pulse to rise from 10% to 90% of the peak amplitude when the entire photocathode is illuminated by a delta function light pulse. the electron transit time is the interval between the arrival of a delta function light pulse at the entrance window of the tube and the time when the output pulse reaches the peak amplitude. in measurement the entire photocathode is illuminated. electrodes k dy1 dy2 dy3 dy4 dy5 dy6 dy7 dy8 distribution ratio 31.51111111 suppiy voltage : 1500vdc, k : cathode, dy : dynode, p : anode 11 table 1:voltage distribution ratio warning?ersonal safety hazards electrical shock operating voltages applied to this device present a shock hazard. e dy9 dy10 p l m
figure 2: typical single photoelectron pulse height distribution figure 3: typical gain figure 6: typical dark counts vs. temperature figure 4: typical time response figure 5: typical temperature coefficient of quantum efficiency as figure 6 shows, the dark counts of the r3310-02 and r4330-02 decreases by cooling the tube. therefore, when performing photon counting, it is recommended that the tube be cooled down to about ?0 . the cooler c2761 which features temperature control from ?0 to 0 is available from hamamatsu. cooling tpmhb0280ea 0 1024 512 channel number (ch) 0 0.2 0.4 0.6 0.8 1.0 counts per channel full scale (signal + dark) : 1 10 4 full scale (dark) : 1 10 3 wavelength of incident light : 800 (nm) lower level discri. : 87 (ch) signal + dark counts : 5526 (cps) dark counts : 30 (cps) temperature : 20 ( ) signal + dark dark tpmhb0044ea 500 1000 1500 2000 2500 10 2 10 3 10 4 10 5 10 6 10 7 10 8 supply voltage (v) gain tpmhb0045ea 500 1000 1500 2000 3000 10 1 time (ns) supply voltage (vdc) transit time 10 0 10 2 rise time tpmhb0046eb 2 400 500 600 700 800 900 1000 1.5 1 0.5 0.5 1.5 2 1 0 temperature coefficient (%/ ) wavelength (nm) 300 temperature range: 10 to + 40 ( ) tpmhb0047ea 40 30 20 10 0 10 20 10 0 10 1 10 2 10 3 10 4 10 5 temperature ( ) dark counts (cps)
tpmh1021e04 sep. 1997 photomultlpller tubes r3310-02, r4330-02 figure 7: dimensional outline and basing diagram (unit : mm) a) tube b) photocathode orientation of photocathode with respect to base pin x axis cross section y axis cross section c) socket(refer to notes ) e678?1c (supplied) remarks ha coating the r3310-02 and r4330-02 are coated with the conductive paint con- nected to the cathode, which is covered with an insulating material (ha coat- ing). this method decreases noise. care should be taken not to damage the insulating cover wrapping around the bulb. cautions use the hamamatsu socket e678-21c or e678-21d. when soldering the voltage dividers to the socket, the pmt should be in- serted in the socket. e678?1d (option) tpmha0286ea x y 51 1 10 6.6 3.4 1.6 photocathode center 19 88 2 14max. ha-coating (conductive paint connected to the cathode) light shield (silicone) 15 photocathode photocathode (10 10) d tpmha0022eb bottom view top view dy k p ic : dynode : photocathode : anode : internal connection (should not be used) short pin 1 2 3 4 5 6 7 9 8 11 12 13 14 15 16 17 18 19 20 21 k dy2 dy4 dy1 p dy8 dy10 ic ic ic ic dy9 dy7 dy5 dy3 dy6 ic ic ic ic ic 10 33 2 pin 3 pin 1 pin 14 90 2.5 tpmha0023eb 22.0 15 20 1 photocathode 22.0 17.5 1.0 photocathode center 19 15 1 tube center 1.6 photocathode 7.5 1.0 17.5 1.0 10.5 20 1 input window input window 11.5 10 tacca0066ec r5 56.8 19 51 5 4 13 6.5 tacca0054eb 48 7.5 3.0 18.5 4.2 23.5 44.5 hamamatsu photonics k.k., electoron 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, bridgewater. n.j. 08807-0910, u.s.a., telephone: (1)908-231-0960, fax: (1)908-231-12 18 germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49)8152-375-0, fa x: (49)8152-2658 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 united kingdom: hamamatsu photonics uk limted: lough point, 2 gladbeck way, windmill hill, enfield, middlesex en2 7ja, united kingdom, telephon e: (44)181-367-3560, fax: (44)181-367-6384 north europe: hamamatsu photonics norden ab: f?r?gatan 7, s-164-40 kista sweden, telephone: (46)8-703-29-50, fax: (46)8-750-58-95 italy: hamamatsu photonics italia: s.r.l.: via della moia, 1/e, 20020 arese, (milano), italy, telephone: (39)2-935 81 733, fax: (39)2 -935 81 741
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