P3257-10

INFRARED DETECTOR MCT photoconductive detector P3257 series, P4249-08 10 µm band infrared detector with high sensitivity and high-speed response Features Applications Custom devices not listed in this catalog are also available with different spectral response, active area sizes and number of element. l Wide product lineups including non-cooled type, thermoelectrically cooled type and micro-cooled type Easy-to-use infrared detector modules with preamp available. l High-speed response, high sensitivity in the 10 µm band detection l Photoconductive element that decreases its resistance by input of infrared light l Custom devices available l Thermal imaging l Remote sensing l FTIR l CO2 laser detection l Infrared spectrophotometer Accessories (Optional) l Valve operator A3515 l Amplifiers for dewar type MCT photoconductive detector C5185 l Infrared detector module with preamp P7752-10 (with P3257-10) I Specification / Absolute maximum ratings Type No. Dimensional outline/ Window material ➀/ZnS ➁/ZnS Package Cooling Active area (mm) 0.025 × 0.025 0.1 × 0.1 1×1 0.5 × 0.5 * Absolute maximum ratings Operating Storage Allowable temperature temperature current Topr Tstg (mA) (°C) (°C) 10 20 -40 to +60 -55 to +60 40 30 P3257-25 P3257-01 P3257-10 P4249-08 *1: 8 elements array Metal dewar Liquid nitrogen I Electrical and optical characteristics (Typ. unless otherwise noted) Measurement Photo Peak Cut-off condition sensitivity * sensitivity wavelength Element S wavelength temperature lc l=lp lp T (°C) P3257-25 P3257-01 P3257-10 P4249-08 -196 (µm) 10.0 (µm) 12.0 (V/W) 1 × 10# 3 × 10" 1 × 10! 2 × 10! D* (500, 1200, 1) Rise time D* tr (lp, 1200, 1) 0 to 63 % (µs) 0.6 Dark resistance Rd (W) 40 80 40 Type No. Min. Typ. (cm·Hz1/2/W) (cm·Hz1/2/W) (cm·Hz1/2/W) 1 × 10 2 × 10 4.0 × 10 *2: Photo sensitivity changes with the bias current. The values in the above table are measured with the optimum bias current. 1 MCT photoconductive detector I Spectral response 10 11 P3257 series, P4249-08 20 D* (Typ.) I S/N vs. bias current (P3257-10) (Typ. T= -196 ˚C) D* (λ, 1200, 1) (cm · Hz 2 /W) 16 1 RELATIVE VALUE 12 S 8 10 10 4 N 9 10 2 4 6 8 10 12 14 0 5 10 15 20 25 WAVELENGTH (µm) KIRDB0169EA BIAS CURRENT (mA) KIRDB0073EB Spectral response can be shifted upon request. The detector must be operated in a range where the D* becomes Max. I Noise frequency characteristic 100 (Typ. ) I Multielement active area (P4249-08, unit: µm) MCT detectors of custom-designed multielement arrays are also available on request. For the number of elements, element size and packaging, please consult us with your specific needs. 4140 NOISE (nV/Hz 2 ) 1 10 ACTIVE AREA 20 500 1 10 500 100 1000 10000 KIRDA0007EA KIRDB0074EC FREQUENCY (Hz) I Measurement circuit CHOPPER 1200 Hz BAND-PASS FILTER r.m.s. METER DETECTOR BLACK BODY 500 K fo=1200 Hz ∆f=120 Hz INCIDENT ENERGY: 2.64 µW/cm2 KIRDC0007EA 2 MCT photoconductive detector I Dimensional outlines (unit: mm) ➀ P3257-25/-01/-10 LN2 FILL PORT 12.5 P3257 series, P4249-08 ➁ P4249-08 43 ± 1 51 ± 1 51 ± 1 32 ± 1 63.5 ± 1 28.5 PUMP-OUT PIPE 9.5 43 ± 1 46 ± 1 LN2 FILL PORT 12.5 63.5 ± 1 6.5 72 ± 1 70 ± 1 102 ± 1 95 ± 1 172 ± 2 PHOTOSENSITIVE SURFACE 172 ± 2 11 ± 1 PHOTOSENSITIVE SURFACE 84 ± 1 SIGNAL OUTPUT LEAD 6.5 51 ± 1 44.5 ± 1 37 ± 1 37 ± 1 11.5 PUMP-OUT PIPE 9.5 OUTPUT PIN 66.8 ± 1 8.5 ± 0.5 66.8 ± 1 10 ± 1 8.5 ± 0.5 PIN ARRANGEMENT DETECTOR NC DETECTOR NC CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 NC COM KIRDA0131EC KIRDA0135EA 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. ©2003 Hamamatsu Photonics K.K. 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.com 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 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, Telephone: 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, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 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 Cat. No. KIRD1023E04 Feb. 2003 DN 3