infrared detector mct photoconductive detector non-cooled type and te-cooled type suitable for long, continuous operation p3257/p3981/P2750 series features l choice of spectral response (up to 12 ?) the band gap can be adjusted by controlling the composition ratio of hgte and cdte. utilizing this fact, various types are available in different spectral characteristics. l photoconductive element that decreases its resistance by input of infrared light l custom devices available custom devices not listed in this catalog are also available with different spectral response, active area size and number of element. l easy-to-use infrared detector modules with preamp available applications l radiation thermometer l gas analyzer l infrared spectrophotometer l ftir l co 2 laser monitor accessories (optional) l heatsink for one-stage te-cooler a3179 l heatsink for two-stage te-cooler a3179-01 l heatsink for three-stage te-cooler a3179-04 l temperature controller c1103-05 (-25 to -75 ?c) c1103-07 (20 to -30 ?c) l preamp c5185-01 (p3981/P2750 series) l infrared detector modules with preamp p4631-10 (p3257-31) p4631 (p3981) p4631-04 (P2750) 1 general ratings / absolute maximum ratings absolute maximum ratings active area thermistor power dissipation te-cooler allowable current allowable current operating temperature topr storage temperature tstg type no. dimensional outline/ window material * 1 package cooling (mm) (mw ) (a) (ma) (c) (c) p3257-30 ? /se with bnc connector non-cooled - - 50 p3257-31 ? /se to-8 one-stage te-cooled 1.5 50 p3981 ? /s to-8 3 p3981-01 ? /s to-66 3 P2750-08 ? /s to-8 two-stage te-cooled 6 P2750 1 1 6 P2750-06 ? /s to-3 three-stage te-cooled 0.25 0.25 0.2 1.0 3 -40 to +60 -55 to +60 *1: w indow material s : sapphire glass se: znse electrical and optical characteristics (typ. unless otherwise noted) measurement condition element temperature t peak sensitivity wavelength p cut-off wavelen g th c photo sensitivit y * 2 s = p * 3 d ? (500, 1200, 1) * 4 d ? ( p * 3 , 1200, 1) nep = p * 3 rise time tr 0 to 63 % dark resistance rd type no. (c) ( m ) (m) (v/w ) min. (c mhz 1/2 /w) typ. (c mhz 1/2 /w) ( cmhz 1/2 /w ) ( w/hz 1/2 ) (s) ( ? ) p3257-30 25 6.0 11.0 2 10 -3 5.0 10 5 3.0 10 6 2.0 10 5 5.0 10 -7 1 (ns) 30 p3257-31 0 6.5 11.5 5 10 -3 1.0 10 6 6.0 10 6 5.0 10 5 2.0 10 -7 1 (ns) 35 p3981 p3981-01 3.6 4.6 1 10 4 2.0 10 8 2.0 10 9 5.0 10 10 2.0 10 -12 10 600 P2750-08 -30 4.8 5.4 3 10 2 1.0 10 8 6.0 10 8 4.0 10 9 2.5 10 -11 2 160 P2750 2 10 3 5.0 10 -12 P2750-06 -60 4.8 5.5 3 10 3 5.0 10 8 3.0 10 9 2.0 10 10 1.3 10 -12 3 200 *2: photo sensitivity changes with the bias current. the values in the above table are measured with the optimum bias current. *3: p3257-30/-31: =10.6 m *4: p3257-30/-31: (800, 1200, 1)
mct photoconductive detector p3257/p3981/P2750 series wavelength (mm) 2345 10 10 10 9 10 11 10 8 d * ( , 1200, 1) (cm hz /w) (typ.) 1 2 t= -30 ? c t=0 ? c wavelength (m) 23456 10 10 10 11 10 9 10 7 10 8 d * ( , 1200, 1) (cm hz /w) (typ.) 1 2 P2750/-06 (t= -60 ? c) P2750-08 (t= -30 ? c) element temperature ( ? c) -80 0 40 10 10 10 9 10 11 10 8 d * ( , 1200, 1) (cm hz /w) (typ.) -60 -40 -20 20 1 2 P2750 p3981 relative value current (ma) 035 12 4 0 (typ.) 2 4 6 8 10 1 3 5 7 9 d * s n current (a) [typ. ta=25 ? c, thermal resistance of heatsink=3 ? c/w (one and two-stage te-cooled), 1.2 ? c/w (three-stage te-cooled)] element temperature ( ? c) 0.4 0 -80 -60 -40 40 20 0 -20 0.8 1.2 1.6 one-stage te-cooled type two-stage te-cooled type (to-8) two-stage te-cooled type (to-66) three-stage te-cooled type spectral response d * vs. element temperature kirdb0174ea s/n vs. bias current ( P2750) kirdb0070ec kirdb0164eb kirdb0066eb kirdb0068eb cooling characteristics of te-cooler kirdb0175ea p3257-30/-31 p3981/-01 P2750/-06/-08 the detector must be operated in a range where the d * becomes max. wavelength (m) d * ( , 1200, 1) (cm hz /w) (typ.) 1 2 2468 12 10 357911 10 7 10 6 10 8 10 5 p3257-30 (t=25 ? c) p3257-31 (t=0 ? c) 2
mct photoconductive detector p3257/p3981/P2750 series c5185-01 c1103-05 p3981 + a3179-01 amp temperature controller detector & heatsink signal processing circuit lock-in amp or spectrum analyzer c3871 power supply for amp c4696 chopper bnc connector cable (sold separately) cable (supplied with c5185) cable (supplied with c1103-05) bnc connector cable (sold separately) connect c1103-05 and c3871 ground wires together. chopper 1200 hz band-pass filter r.m.s. meter black body 500 k detector fo=1200 hz ? f=120 hz incident energy: 2.64 w/cm 2 measurement circuit kirdc0005ea connection example (p3981) kirdc0006ea sensor resistance element temperature ( ? c) 1 k ? (typ.) -80 0 40 -60 -40 -20 20 10 k ? 100 k ? 1 m ? voltage (v) current (a) 0.5 0 0.0 0.4 0.2 0.6 0.8 1.6 1.4 1.2 1.0 1.0 1.5 2.0 2.5 [typ. ta=25 ? c, thermal resistance of heatsink=3 ? c/w (one and two-stage te-cooler), 1.2 ? c/w (three-stage te-cooler)] three-stage te-cooled type one-stage te-cooled type two-stage te-cooled type thermistor temperature characteristic kirdb0071eb current - voltage characteristics of te-cooler kirdb0176eb 3
mct photoconductive detector p3257/p3981/P2750 series hamamatsu photonics k.k., solid state division 1126-1 ichino-cho, hamamatsu city, 435-8558 japan, telephone: (81) 053-434-3311, fax: (81) 053-434-5184, http://www.hamamatsu.c om u.s.a.: hamamatsu corporation: 360 foothill road, p.o.box 6910, bridgewater, n.j. 08807-0910, u.s.a., telephone: (1) 908-231-0 960, fax: (1) 908-231-1218 germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49) 08152 -3750, fax: (49) 08152-2658 france: hamamatsu photonics france s.a.r.l.: 8, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telepho ne: 33-(1) 69 53 71 00, fax: 33-(1) 69 53 71 10 united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road, welwyn garden city, hertfordshire al7 1bw, unit ed kingdom, telephone: (44) 1707-294888, fax: (44) 1707-325777 north europe: hamamatsu photonics norden ab: smidesv ? gen 12, se-171 41 solna, sweden, telephone: (46) 8-509-031-00, fax: (46) 8-509-031-01 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 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. ?200 3 hamamatsu photonics k.k. cat. no. kird1025e06 jul. 2003 dn detector detector te-cooler (-) te-cooler (+) thermistor window 10 0.2 14 0.2 15.3 0.2 a 10 0.2 12 min. 10.2 0.2 5.1 0.2 5.1 0.2 photosensitive surface 0.45 lead p3257-31 p3981, P2750-08 5.2 0.2 a 6.6 0.2 thermistor detector detector te-cooler (-) te-cooler (+) photosensitive surface 36 ? window 10 0.1 14 0.1 24.4 0.2 5.1 0.2 17 0.4 32 max. 9 1 25 max. 3.5 max. 1.6 0.1 9 0.2 11 0.5 3.7 pump-out pipe te-cooler (+) detector thermistor pump-out pipe nc te-cooler (-) photosensitive surface window 10 0.2 19.4 0.2 25.4 0.2 25 max. 5 max. 12.7 0.2 2.0 12 1 11.6 0.2 4 30.1 0.1 39 0.2 pump-out pipe 40 ? 40 ? 40 ? 40 ? 40 ? 1.0 lead 5.0 0.2 dimensional outlines (unit: mm) kirda0121ea kirda0123eb 5 9.0 41.2 20 5.0 11.7 54.0 1.3 20 photosensitive surface bnc connector kirda0045ed P2750/-06 p3981-01 p3257-30 kirda0122ea p3257-31, p3981, P2750-08 4
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