C4258-02 Ver la hoja de datos (PDF) - Hamamatsu Photonics
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C4258-02 Datasheet PDF : 2 Pages
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MEASUREMENT EXAMPLES
• Example showing measurement of relaxation oscillations from a
semiconductor laser in the 0.8 µm band
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.
SPECIFICATIONS
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
C4258
0.4 µm to 0.87 µm
1 mV/mW (at 0.6 µm)
0.2 mm × 0.2 mm
50 ps
< 5 ns
C4258-01
C4258-02
0.6 µm to 1.65 µm
3 mV/mW (at 1.55 µm)
0.32 µm to 1.0 µm
5 mV/mW (at 0.85 µm)
0.2 mm × 0.2 mm
φ 0.4 mm
50 ps
< 400 ps
< 5 ns
-
100 kHz
Internal battery (W-10)
0 to +40°C
– 10 to +50°C
70% max. (with no condensation)
C4258-03
0.98 µm to 1.65 µm
10 mV/mW (at 1.55 µm)
φ 0.08 mm
< 400 ps
-
DIMENSIONAL OUTLINES (Unit: mm)
13
Window
47
16
20
21 10
4-M3 P0.5 D=6
M6 P1.0 D=6
(For exclusive stand)
Weight: Approx. 300 g
43
BAT TERY
Output connector (SMA type)
16 20
15
C4258
Battery box
1/4-20UNG D=6
M6 P1.0 D=6
(For exclusive stand)
4-M3 P0.5 D=6
1/4-20UNG D=6
ISO 9001
Certificate: 09 105 79045
5 Product and software package names noted in this documentation are trademarks or registered trademarks of their respective manufacturers.
q Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office..
q 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.
Homepage Address http://www.hamamatsu.com
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
U.S.A. and Canada: Hamamatsu Photonic Systems: 360 Foothill Road, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1)908-231-1116, Fax: (1)908-231-0852, E-mail: usa@hamamatsu.com
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
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, E-mail: infos@hamamatsu.fr
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10Tewin 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
Cat. No. SSCS1007E06
AUG/2002 HPK
Created in Japan (PDF)
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