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High Dynamic Range Streak Camera C7700
Less than 60 ps
10 000 :1
v The relaxation oscillation of a laser diode can be measured with the C7700 under single shot operation. (The data was captured with a C4880-21 readout CCD camera.)
The C7700 is a newly developed high dynamic range streak camera that can handle a large number of photoelectrons. This feature enables single-shot measurements of ultrafast phenomena with a D-range as high as 10 000 : 1. This system is suitable for high-precision simultaneous measurement of high-intensity and weak intensity pulse light.
High Dynamic Range Measure
SYSTEM CONFIGURATION
3 Main Unit 1 Input Optics
C7700
6 Readout Cameras
Dual-Scan Cooled CCD Camera C4880-21 Camera head Control unit
Frame Grabber
Streak Image Analysis Software
Streak Image Analysis Systems for IBM PC/AT
5 Output Optics
Camera head
ORCA2 Control unit
DUAL MODE COOLED CCD CAMERA
POWER
Personal computer (IBM PC/AT Compatible)
GP-IB board
7 Readout System (HPD-TA)
Mount Table A7703
Trigger signal
Sweep circuit
Sweep electrode (where electrons are swept in the direction from top to bottom)
4 Image Intensifier, Image Booster
Streak image
[Operating Principle]
The light pulse to be measured is focused onto the photocathode of the streak tube through the slit, where the photons are converted into a number of electrons proportional to the intensity of the incident light. These electrons are accelerated and conducted towards the phosphor screen, and a high-speed voltage which is synchronized to the incident light is applied. The electrons are swept at high speed from top to bottom, after which they are bombarded against the phosphor screen of the streak tube and converted to an optical image. When the light intensity of the streak image is very weak, an image intensifier or an image booster amplifies the low light level streak image.
Optical intensity
Lens
Time Incident light
Space Accelerating electrode (where electrons are Photocathode accelerated) (light electrons) Slit Phosphor screen (electrons light)
Time Space
2 Streak Tube
D-range of 10 000:1 of ultrafast phenomena under single-shot operation
FEATURES
q High dynamic range of 10 000:1* q Temporal resolution of 5 ps* q Effective photocathode size: 17 mm q Simultaneous measurement of light intensity on temporal and spatial (wavelength) axis q IEEE 488 (GP-IB) control
*[About a Dynamic Range]
The maximum dynamic range of the streak camera essence is set to 1000:1 by the measurement condition of temporal resolution 5ps, and is set to 10 000:1 by the measurement condition of temporal-resolution 100ps. With a light intensity, the image intensifier tube, such as an image intensifier or an image booster, is combined with a streak camera. In this case, the image intensifier tube may restrict the dynamic range of the measurement system. Furthermore, a read-out camera may also restrict the dynamic range of the measurement system.
Readout Camera Image Intensifier Tube C4880-21 ORCA2 Image Intensifier Image Booster Image Intensifier Image Booster Temporal Resolution 5 ps 1000:1 1000:1 100 ps 2000:1 10 000:1 2000:1 3000:1
S1 - Sn absorption
OD = 0.1 = 482 to 489 nm
APPLICATIONS
q Research involving laser fusion lasers, free electron lasers and various other types of pulsed lasers q Plasma light emission, radiation, laser ablation, combustion and explosion q Picosecond transient absorption measurement (Time dependence of absorption is shown below.)
T1 - Tn absorption
= 557 to 581 nm
0
1
2
Time (ns)
3
4
5
v The 266 nm excitation (25 ps, 0.2 mJ, 2 mm focused, single shot) of Chrysene in THF (0.5 mmol/l)
q LIDAR, Thomson scattering, time-of-flight laser ranging q Fluorescence lifetime measurement, timeresolved Raman spectroscopy
ment Possible up to 10 000:1
SPECIFICATIONS
1 Input Optics
Type No. Spectral Transmission 400 nm to 900 nm Image Effective MultiplicaF Value tion Ratio 1.2 3.5 1:1 0 to 5 mm 1:1 Slit Width Slit Width Reading Precision 5 m Overall Length 159 mm 98.2 mm
4 Image Intensifier (I.I.), Image Booster (I.B.)
Type No. V3346U-04 (I.I.) V3346U-24 (I.B.) Photocathode Effective Photocathode Size Phosphor Screen Luminous Gain 3000 S-20 25 mm P-43 15 (typ.)
A1974
A1976-04 200 nm to 1060 nm
100 80
Transmittance (%)
Spectral transmittance of input optics
A1974 A1976-04
5 Output Optics
Type No. A7702-02 A2098 Magnification 1 : 0.7 2:1 Effective F-number F = 2.0 F = 2.5 Readeout Camera C4880-21 ORCA 2
60 40 20 0
200
400
600
800
1000
1200
1400
1600
6 Readout Cameras
Type No. C4880-21 Imaging Device Full frame transfer CCD Progressive-scan interline CCD Effective No. of Pixels 512(H) x 512 (V) 1280(H) x 1024(V) Pixel Size 24 m x 24 m 6.7 m x 6.7 m
Wavelength (nm)
2 Streak Tube
Type No. Streak Tube Spectral Response Characteristic 200 nm to 850 nm Effectiv e Photocathode Size Phosphor Screen Spatial Resolution 18 lp/mm or more centered on photocathode Note) readout camera ORCA2
ORCA2
* Phosphor screen characteristic P-43 7 mm x 17 mm * Fiber-optic output * Effective PhosC7700-11 N8059-02 300 nm to 1060 nm phor screen size: 25 mm C7700-01 N8059
105
7 Readout System
q
Spectral response characteristics
Radiant sensitivity (A/W)
104
C7700-01
103
HPD-TA The HPD-TA (Temporal Analayzer) is a high-perfomance digital data acquisition and control system specifically designed to readout images from the phosphor screen of the HAMAMATSU streak camera. It enables precise, quantitative acquisition and preanalysis of two dimensional streak data that includes photon counting plus a full range of data correction and calibration possibilities. The HPD-TA allows the remote control of the C7700 via GPIB interface. The entire system is controlled through a powerful and user-friendly application software that runs on a Microsoft Windows platform
102 C7700-11 200 400 600 800 1000 1200 Wavelength (nm)
101
3 Main Unit better than 5 ps (at the fastest sweep range) * Sweep time/full screen 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 500 ns 1, 2, 5, 10, 20, 50, 100, 200, 500 s, 1 ms * Trigger jitter: less than 20 ps (at the fastest sweep range) * Trigger delay: about 25 ns (at the fastest sweep range) * Maximum sweep repetition frequency .......................................... 1 kHz (at the fastest sweep range) * Operating mode ................................................. Focus/Streak * Trigger input Maximum input voltage ........................................... 5 V/50 Trigger level .................................................... 4 V Adjustable * Gating mode ............................. NORMAL, Gate, Open Fixed * Gating method ...................................... Photocathode Gating * Gate trigger input ......................................... 3.5 Vto 5.0 V/50 * Gate repetition frequency ............................................ 100 Hz * Gate delay time .............................................................. 1 s
q Streak Unit * Temporal resolution:
UTILITY
* Line voltage ......................... VA100 V to 120/220 V to 240 C * Power consumption ................................... Approx. 180 V*A * Operating temperature ................................. +10 C to +30 C * Operating humidity ..... Less than 70 % (with no condensation)
3
OPTIONAL
q
Delay Unit C1097-01
q
PIN Photodiode C1083-01
This passive delay unit provides convenient timing adjustment with zero jitter. Optional remote GPIB control (C1097-04).
Variable Delay Range Delay Setting Range Minimum Delay Time Maximum Input Voltage Power Supply Dimensional Outline 0 to 31.96 ns 30, 60, 120, 250, 500 ps, 1, 2 4, 8, 16 ns Approx. 12 ns 30 V AC100 V to 240 V 215 (W) x 350 (D) x 102 (H) mm/3.4 kg
Converts low-repetition light pulses to an electronic trigger for streak sweep.
Spectral response Rise time Power supply Dimensional Outline 400 to 1100 nm 0.8 ns +22.5 V (battery) Head: 100 (W) x 160 to 235 (H) x 50 (D) mm/400 g Power supply unit: 100 (W) x 83(H) x 100 (D) mm/400 g
DIMENSIONAL OUTLINES (Unit: mm)
q
Main Unit (approx. 24.0 kg)
85 0.5 250 1 106.6 1 285 1 160.5 3 (C-mount)
HIGH DYNAMIC RANGE STREAK CAMERA
C7700
A1976-04 A2098
160 0.5
310 1
40.5 1
390 1
5 IBM is a registered trademark of IBM Co. 5 Windows is a trademark of Microsoft Corporation in the U.S.A. is a registered trademark of Apple Computer, Inc. 5
q q
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.
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. 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. .
(c) 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, 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: Smidesvagen 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. SSCS1049E07
APR/2002 HPK Created in Japan (PDF)

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