P2680-02

P791-11 HAMAMATSU | Alldatasheet

Document overview

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Technical content

Features

/K6C High-speed response /K6C Room temperature operation Compared to other types of detectors used in the same wavelength range, PbSe cells have higher response speed and can also operate at room temperature, making them useful in a wide range of applications such as gas analyzers, etc. /K6C Lower temperature detection limit: 50 ˚C approx.

Applications

/K6C Radiation thermometer /K6C Flame detector /K6C Gas analyzer /K6C Film thickness gauge Accessories (Optional) /K6C Heatsink for one-stage TE-cooled type A3179 /K6C Heatsink for two-stage TE-cooled type A3179-01 /K6C Temperature controller for TE-cooled type C1103-04 /K6C Preamplifier for PbS/PbSe photoconductive detector C3757-02 /K6C Infrared detector module with preamp Non-cooled type P4245 Cooled type P4639 Hamamatsu provides various types of PbSe photoconductive cells including room temperature operation types and thermoelectricall y cooled types. Cooled type PbSe photoconductive cells offer higher sensitivity and improved S/N, and are widely used in precision photo metry such as in analytical instruments. 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PbSe photoconductive detector P791/P2038/P2680 series, P3207-05 ELEMENT TEMPERATURE (˚C) RELATIVE VALUE (Typ.) 101 102 103 02 0 10 40 50 30 60-20 -10 DARK RESISTANCE RISE TIME ELEMENT TEMPERATURE (˚C) RELATIVE SENSITIVITY (Typ.) 101 102 -20 103 - 1 00 1 02 03 04 05 06 0 LIGHT SOURCE: BLACK BODY 500 K SUPPLY VOLTAGE: 15 V INCIDENT ENERGY: 16.7 µW/cm CHOPPING FREQUENCY: 600 Hz CHOPPING FREQUENCY (Hz) RELATIVE S/N (Typ. Ta=25 ˚C) 101 102 103 102 103 104 S/N S N LIGHT SOURCE: BLACK BODY 500 K INCIDENT ENERGY: 16.7 µW/cm2 SUPPLY VOLTAGE: 15 V SUPPLY VOLTAGE (V) SIGNAL (µV) NOISE (µV) 10070 80 90 (Typ. Ta=25 ˚C) 100 200 300 600 500 400 10 20 30 40 50 60 LIGHT SOURCE: BLACK BODY 500 K INCIDENT ENERGY: 16.7 µW/cm2 CHOPPING FREQUENCY: 600 Hz FREQUENCY BANDWIDTH: 60 Hz Supply voltage is the value which contains load resistance N S I Spectral response I S/N vs. supply voltage I S/N vs. chopping frequency I Photo sensitivity temperature characteristic I Dark resistance, rise time temperature characteristics KIRDB0280EA KIRDB0281EA KIRDB0054EB KIRDB0055EB P791/P2038/P2680 series P3207-05 Increasing the chopping frequency re- duces the 1/f noise and results in an S/N improvement. The S/N can also be im- proved by narrowing the noise bandwidth using a lock-in amplifier. KIRDB0052EC KIRDB0053EB Cooling the device enhances its sensi- tivity, but the sensitivity also depends on the load resistance in the circuit. WAVELENGTH (µm) (Typ.) 1234567 100 RELATIVE VALUE (%) -20 ˚C -10 ˚C 25 ˚C WAVELENGTH (µm) (Typ.) 1234567 100 RELATIVE VALUE (%)

PbSe photoconductive detector P791/P2038/P2680 series, P3207-05 I Connection example (P2680-03) C3757-02 C1103-04 P2680-03 A3179-01 AMP TEMPERATURE CONTROLLERDETECTOR AND HEATSINK C3871 POWER SUPPLY FOR PREAMP C4696 CHOPPER CABLE (SUPPLIED WITH C1103-04)BNC CONNECTOR CABLE (SOLD SEPARATELY) Connect C1103-04 and C3871 ground terminals together. SIGNAL PROCESSING CIRCUIT LOCK-IN AMP or SPECTRUM ANALYZER 2-CONDUCTOR SHIELDED CABLE CABLE (SUPPLIED WITH C3757-02) I Photo sensitivity linearityRELATIVE SENSITIVITY INCIDENT ENERGY (W/cm2) 10-3 10-2 10-1 100 101 102 10-7 10-6 10-5 10-4 10-3 10-2 (Typ. Ta=25 ˚C, FULLY ILLUMINATED) DEPENDENT ON NEP I Cooling characteristics of TE-cooler CURRENT (A) ELEMENT TEMPERATURE (˚C) -40 -60 -20 40 (Typ. Ta=25 ˚C, Thermal resistance of heatsink=3 ˚C/W) ONE-STAGE TE-COOLED TWO-STAGE TE-COOLED I Current vs. voltage characteristics of the TE-cooler VOLTAGE (V) CURRENT (A) (Typ. Ta=25 ˚C, Thermal resistance of heatsink=3 ˚C/W) 1.6 0.6 1.4 0.2 1.0 0.4 1.2 0.8 ONE-STAGE TE-COOLED TWO-STAGE TE-COOLED I Thermistor temperature characteristic ELEMENT TEMPERATURE (˚C) RESISTANCE (Ω) 103 (Typ.) 104 105 106 -40 -20 0 20-30 -10 10 30 KIRDB0056EA KIRDB0185EA KIRDB0115EB KIRDB0116EA KIRDC0045EA By making the incident light spot smaller than the active area, the upper limit of the linearity becomes lower.

PbSe photoconductive detector P791/P2038/P2680 series, P3207-05 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 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: Smidesvä 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. ©2002 Hamamatsu Photonics K.K. 0.45 LEAD 9.1 ± 0.3 WINDOW 5.5 ± 0.1 2.1 ± 0.2 4.2 ± 0.218 MIN. 0.4 MAX. 8.1 ± 0.1 PHOTOSENSITIVE SURFACE 5.1 ± 0.2 1.5 MAX. DETECTOR DETECTOR GND 0.45 LEAD PHOTOSENSITIVE SURFACE DETECTOR DETECTOR GND WINDOW 5.5 ± 0.1 2.1 ± 0.20.4 MAX. 8.1 ± 0.1 9.1 ± 0.3 3.0 ± 0.218 MIN. 4.2 ± 0.2 FILTER 5.1 ± 0.2 1.5 MAX. IIIII Dimensional outlines (unit: mm) KIRDA0056EC KIRDA0118EA DETECTOR DETECTOR TE-COOLER (-) TE-COOLER (+) THERMISTOR WINDOW 10 ± 0.2 14 ± 0.2 15.3 ± 0.2 4.3 ± 0.2 6.4 ± 0.212 MIN. 0.45 LEAD PHOTOSENSITIVE SURFACE 10.2 ± 0.2 5.1 ± 0.2 5.1 ± 0.2 DETECTOR DETECTOR TE-COOLER (-) TE-COOLER (+) THERMISTOR WINDOW 10 ± 0.2 14 ± 0.2 15.3 ± 0.2 6.7 ± 0.2 10 ± 0.212 MIN. 10.2 ± 0.2 5.1 ± 0.2 5.1 ± 0.2 PHOTOSENSITIVE SURFACE 0.45 LEAD KIRDA0125EAKIRDA0128EA Cat. No. KIRDA1020E04 Dec. 2002 DN ➀ P791-11/-13 ➁ P3207-05 ➃ P2680-02/-03➂ P2038-02/-03