C4258 HAMAMATSU | Alldatasheet
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(C4258, C4258-01: 0.2 mm × 0.2 mm) Ideal for optical pulse monitors for mode-synchro- nized pulse lasers and semiconductors in the visible to near-infrared regions! Relative sensitivity Wavelength (µm) Spectral Response Characteristics 100 10-1 10-2 10-3 C4258-01 C4258-02 C4258-03 C4258 (C4258, C4258-01)
Cat. No. SSCS1007E06 AUG/2002 HPK Created in Japan (PDF) SPECIFICATIONS 50 ps Internal battery (W-10) 70% max. (with no condensation) DIMENSIONAL OUTLINES (Unit: mm) MEASUREMENT EXAMPLES C4258 BAT TERY Battery box Output connector (SMA type)43 16 20 21 10 16 20 21.5 M6 P1.0 D=6 (For exclusive stand) 4-M3 P0.5 D=6 1/4-20UNG D=61/4-20UNG D=6 M6 P1.0 D=6 (For exclusive stand) 4-M3 P0.5 D=6 Window Weight: Approx. 300 g Example showing measurement of relaxation oscillations from a semiconductor laser in the 0.8 µm band Type mumber Spectral response Sensitivity Active area Rise time Maximun input plue width Low-frequency cutoff Power source Operating ambient temperature Storage ambient temperature Operating/storage ambient humidity The C4258 series of picosecond photodetectors consists of pho- todetectors featuring a light detector, a high-frequency circuit,and a battery integrated in a single unit, as well as fast response. Opti- cal phenomena in the picosecond region can be measured sim- plyby irradiating the unit with an optical beam and connecting the output to an external oscilloscope. A high-speed MSM photodiode is used as the detector, enabling a fast rise time , a large active area. For this reason, the C4258 is ideal for pulse waveform observation of picosecond lasers such as Ti: sapphire / YAG lasers, and semiconductor lasers for DVDs and optical communications. In addition, by combining it with a short-pulselight source, the C4258 can be used in applica- tions such as measuring the transmission characteristics of opt- ical fibers. Four models are available. This lets the user select which ever model is optimum for the wavelength of the pulse being meas- ured. C4258 C4258-01 C4258-02 C4258-03 0 to +40°C – 10 to +50°C 100 kHz 1 mV/mW (at 0.6 µm) 3 mV/mW (at 1.55 µm) 5 mV/mW (at 0.85 µm) 10 mV/mW (at 1.55 µm) 50 ps --< 5 ns < 5 ns < 400 ps < 400 ps Homepage Address http://www.hamamatsu.com # Product and software package names noted in this documentation are trademarks or registered trademarks of their respective manufacturers. G Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.. G Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications and external appearance are subject to change without notice.. © 2002 Hamamatsu Photonics K.K. ISO 9001 Certificate: 09 105 79045 HAMAMATSU PHOTONICS K.K., Systems Division 812 Joko-cho, Hamamatsu City, 431-3196, Japan, Telephone: (81)53-431-0124, Fax: (81)53-435-1574, E-mail:export@sys.hpk.co.jp 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, United Kingdom:Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire, AL7 1BW, U.K., Telephone: (44) 1707-294888, Fax: (44) 1707-325777, E-mail: info@hamamatsu.co.uk 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, E-mail: info@hamamatsu.se - Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Mois, 1/E 20020 Arese (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741, E-mail: info@hamamatsu.it