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INFRARED VIDICON CAMERA C2741-03
(Lens is optional)
OUTLINE
The C2741-03 is a high-performance video camera with various functions that have been developed for image processing and measurement purposes. The camera has sensitivity to 1800 nm from a visible wavelength region. Compared with conventional surveillance cameras, this camera excels in resolution, image distortion, stability, etc. In addition, the camera can be connected to a realtime image processor and measurement system, and also to a personal computer for use with a video frame grabber board.
[Spectral Response Characteristics]
100
FEATURES
Sensitivity to 1800 nm from visible wavelength region q Image processing and measurement q Contrast enhancement function
q
C2741-03
10-1
Relative Sensitivity
10-2
Visible CCD Video Camera
10-3
10-4
Infrared Camera (C5840)
10-5
10-6
200
400
600
800
1000
1200
1400
1600
2000
Wavelength (nm)
APPLICATIONS
q Light intensity measurement in the infrared region
Light intensity measurement of infrared light sources, including infrared LEDs, transmission characteristic measurement of optical fibers, etc., and other applications, is possible. In addition, the light intensity distribution of an infrared light source can be measured with a real-time image processing system.
q Internal inspection
Internal inspection is possible with an infrared light source. The camera can be connected to a microscope to look for IC internal defects.
q Observation and surveillance
This camera can be connected to an infrared floodlight for surveillance under low illuminated conditions, in a darkroom, etc.
v Inspection of IC internal defects
q Various image processing and measurement
The C2741-03 has been developed for image processing and measurement. By connecting it to the ARGUS-20 or a realtime image processing system, various measurements, such as light intensity measurement, width and area measurement, and position measurement can be performed.
[Real-time image processor ARGUS-20] The ARGUS-20 is a real-time image processor that achieves a high resolution of 1,024 horizontal pixels. A broad range of image processing functions and measurement functions are provided, including image subtraction, accumulation, and recursive filters. A mouse is used, making operation easy. In addition, a superimpose function enables superimposed displays of illuminated images, emissions, and fluorescence emissions, making it possible to identify fluorescence positions and other elements.
v Void detection of bonded wafers
v Light intensity distribution of light spot
FUNCTIONS
v Front panel of camera controller
q Contrast Enhancement
The contrast enhancement function amplifies video signals that are above offset (threshold) level. Using this function, the low contrast image is enhanced and changed into a clear image.
Offset level
q Automatic Gain Control: AGC
Excellent overall image contrast can be achieved automatically using this feature. This eliminates the need for manual adjustments in situations where light intensity fluctuates over time.
q Operational Video Output (Optional)
After contrast enhancement
Before contrast enhancement
External processing of video signals is simplified by the operational video output. Operational video does not include synchronization signals so it can be used to display DC signals with black level as 0 volts.
q All Timing is Crystal Clock Controlled.
By using a crystal oscillator, synchronization is more stable and higher quality images can be produced . All control signals, including the deflection frequencies, are derived from a crystal oscillator.
v Before contrast enhancement v After contrast enhancement
q High Geometric Stability
It features high geometric (position and dimensional) stability. Also, highly uniform and accurate images are obtained.
q Shading Corrector
This corrects shading introduced by both the optics and the imaging tube to help utilize the contrast enhancement feature most effectively.
q Level Indicator
Two LEDs, which monitor input light intensity, provide a unique and rapid method for the accurate determination of the illumination level required to produce optimal image quality. In addition, this feature provides a visual indication of potentially damaging extreme light levels.
q Diagonal Shading Corrector
This corrects the direction of a diagonal.
q Video Booster
The video booster modifies the contrast in dark portions of the image revealing details which were lost due to their low intensity.
q Video Tube Protection Circuit
A protection circuit has been incorporated to prevent damage to the imaging tube, should the horizontal or vertical synchronization signals be lost.
q Video Inverter
The video inverter produces a negative image by inverting the video intensity values. When used in conjunction with contrast enhancement, this feature is particularly valuable for improving detectability and image quality in low intensity regions. In addition, it is very effective in facilitating the visual interpretation of high contrast images.
v Before processing
v After processing
q External Synchronization Control (Optional)
When utilizing external equipment, it may be necessary to synchronize the scanning of the camera via this optional control. This circuit automatically switches from the internal to external synchronization when external horizontal and vertical signals are provided.
q White Clipper
The white clipper operates to suppress the level of the video signal when it exceeds a preset level, in order to maintain consistently high image quality on the TV monitor.
PERFORMANCE / SPECIFICATIONS
q Performance
Imaging tube Spectral response Horizontal center resolution Geometric distortion (within inscribed circles) Shading (within inscribed circles) Lag Gamma S/N Functions Standard
1- inch Infrared vidicon 400 to 1800 nm 600 TV line (typical value) 2.0 (maximum value) 20 % (40 %) (maximum value) 60 % (typical value) 0.6 (typical value) 46 dB (p-p/r.m.s.) (minimum value) Contrast enhancement Shading corrector Diagonal shading corrector Video booster Video inverter Auto gain control (AGC) Level indicator Video tube protection White clipper External synchronization control Operational Video output
[Glossary of terms]
q Horizontal center resolution
This shows how far fine structure can be recognized, and it shows how many stripes TV book display can distinguish at the interval equivalent to the height (length) of the screen of video, and white or black is counted as one, respectively.
q Geometric distortion
This is the difference (distortion) between the subject and the image of the subject on the screen. It is expressed as a percentage to the vertical height of the screen.
q Shading
Non-uniformity of the video output signal when a video camera views a uniform source. It is expressed as the difference between the brightest and darkest signals divided by the brightest signal and multiplied by 100%. Shading is mainly caused by non-uniform sensitivity of an image tube surface.
Optional
q Lag
A phenomenon caused when some of the output signal lingers even after the incident light was interrupted. For video cameras, this means output signal delay in response to the change of incident light.
q Specifications
Video system Horizontal scanning frequency Vertical scanning frequency Total number of scanning lines Effective number of scanning lines Interlace ratio Aspect ratio Synchronization system Output Video signal (composite) signals Horizontal vertical Synchronization signal Effective scanned area of tube Lens mount Operating temperature Storage temperature Operating/Storage humidity Line voltage Power copmsumption EIA CCIR 15.734 kHz 15.625 kHz 59.94 Hz 50.00 Hz 525 625 485 509 2:1 4 : 3 (horizontal/vertical) Internal synchronazation 1.0 Vp-p / 75 Two output terminals.
(The composite video signal is output only from VIDEO OUT 1. Operational video signal is output from VIDEO OUT 2.)
q Gamma characteristic
This is the relationship between the signal output and the incident light. On a logarithmic graph, the former is shown on the vertical axis and the latter on the horizontal axis; the gamma characteristic is the slope (tangent) of the resulting straight line.
q S/N ratio
A comparison of the video signal component and the noise component that is mixed in. S/N ratio is usually shown in dB.
TTL level output, Negative polarity
(External synchronization control(optional) uses this output terminal as input terminal. The horizontal vertical synchronization signal is not outputted.)
Approx. 12.7 (H) x 9.5 (V) mm 1-inch C-mount 0 to +40 C -10 C to +50 C 90 % or less (non-condensation) AC 100/117/220/240 V 10%, 50/60 Hz 80 VA or less
CONFIGURATIONS
q Camera Head q Camera Controller q Camera Cable (5 m) q Video Monitor Cable (BNC-BNC, 3 m)
DIMENSIONAL OUTLINE (UNIT: mm)
q Camera Head (approx. 2 kg)
1-32UN(C-mount)
CAMERA HEAD
q Camera Controller (approx. 5 kg)
CAMERA CONTROLLER
C2741
65 0.5
1 0.5 98 1
65 0.5 25 0.5 60 0.5 1/4-20UNC D=5 400.5
71
104 1
2.4 0.2
204 1
9.5 2
232 1
74 1
308 2
ISO 9001 Certificate: 09 105 79045
4-M4 D=5
5 Product and software package names noted in this documentation are trademarks or registered trademarks of their respective manufacturers.
q q
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) 2001 Hamamatsu Photonics K.K.
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
Homepage Address http://www.hamamatsu.com
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 Cat. No. SICS1085E02 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 SEP/2001 HPK
Created in Japan (PDF)

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