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ORCA-Flash4.0 LT3 Digital CMOS camera C11440-42U40 Instruction manual_Ver.1.1

26

9-2-6-1-2

Electrical shutter mode

The electrical shutter mode is used to get a proper signal level when signal overflow happens due

to too much input photons in normal readout mode. In this mode, the fastest frame rate is

30 fps in Standard scan and 40 fps in Rapid rolling at full resolution even when the exposure time

is short.

Figure 9-5

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Содержание ORCA-Flash4.0 LT3

Страница 1: ...ersonal injury and damage to property when using this camera The manual describes the correct handling method of the camera and provides instructions that should be followed to avoid accidents Read th...

Страница 2: ...Blank page...

Страница 3: ...o the user and even death Improper handling of the camera without observing these cautions could lead to personal injury to the user or damage to property Note This symbol indicates a note to help you...

Страница 4: ...so can lead to electric shock Do not attempt to dismantle or modify the camera Doing so can also lead to damage and even injury as some internal components become very hot or high voltage Do not touch...

Страница 5: ...ion Lenses C11440 42U40 Be careful not to screw the lens more than 7 mm into the C mount of the camera Doing so can scratch the protective glass Some wide angle lenses in particular can have a thread...

Страница 6: ...the camera 1 C11440 42U40 Before Use Booklet 1 C11440 42U40 Instruction manual CD ROM 1 Option External trigger cable SMA BNC 5 m A12106 05 External trigger cable SMA SMA 5 m A12107 05 USB 3 0 cable A...

Страница 7: ...icated in the specifications and where the system may be exposed to liquid Close to a strong source of magnetism or ratio waves Places where there are vibrations Places where the system may come into...

Страница 8: ...TIONS 17 9 1 THEORY OF THE CMOS IMAGE SENSOR 17 9 2 NORMAL AREA MODE 19 9 2 1 Readout method Scan mode 19 9 2 2 Readout method Scan speed 20 9 2 3 Camera operation modes 21 9 2 4 Frame rate calculatio...

Страница 9: ...ORCA Flash4 0 LT3 Digital CMOS camera C11440 42U40 Instruction manual_Ver 1 1 7 15 2 REPAIRS 44 16 CONTACT INFORMATION 45...

Страница 10: ...ouble sampling circuit which plays an important role in achieving low noise Moreover the sensor features a split readout scheme in which the top and bottom halves of the sensor are readout independent...

Страница 11: ...r optics is not negligible in the image Also there are a few pixels in the CMOS image sensor that have slightly higher readout noise performance compared to surrounding pixels For those cases the came...

Страница 12: ...gger input connector EXT TRIG This is used when the camera is being operated using external synchronization Input is TTL or 3 3 V LVCMOS level and input impedance is 10 k When an external trigger is i...

Страница 13: ...lor Status of power distribution Turn off no color Power off Green Blinking Initialization Green lighting Power on Orange lighting Data transfer Red lighting Heat up When the camera heats up stop oper...

Страница 14: ...mera which connectors are located to be at the bottom Do not block ventilation openings AC adapter This is the cord to supply a power supply Use the accessory AC adapter USB interface cable Option Thi...

Страница 15: ...l protection circuit If the internal temperature of the camera becomes abnormally hot the protection circuit operates to inform the user by a buzzer alarm beep tone and lighting the camera s red LED l...

Страница 16: ...e application software Note Please refer to the instruction manual attached to the software for the way of using it and the details 8 4 END OF IMAGING Carry out the procedure below when imaging is fin...

Страница 17: ...procedure to startup DCAM Configurator 1 Open Setup exe in the DCAM API software s folder If the DCAM API software is not installed on your computer insert the media of DCAM API software in the slot o...

Страница 18: ...h this Even if the camera s power supply is turned off the state of setting is kept The state of setting can confirm according to Hardware icon on DCAM Configurator window After the startup operate DC...

Страница 19: ...itching the switch one by one Figure 9 1 The scientific CMOS image sensor used in this camera has an on chip CDS correlated double sampling circuit which plays an important role in achieving low noise...

Страница 20: ...the CMOS image sensor is rolling shutter In the rolling shutter the exposure and readout are done line by line Therefore the exposure timing is different on one screen Figure 9 2 But even if the obje...

Страница 21: ...gnal of adjacent pixels in the digital domain Binning readout is a method for achieving high sensitivity in exchange for losing resolution 3 Sub array readout Sub array readout is a procedure only a r...

Страница 22: ...s and the rapid rolling can achieve a frame rate of 40 fps for full resolution with low noise 1 3 electrons median 1 9 electrons rms Scan speed Frame rate for full resolution Readout noise Standard sc...

Страница 23: ...a with the external equipment In the external trigger mode the external equipment becomes a master and the camera becomes a slave Edge trigger mode Global reset edge trigger mode The edge trigger mode...

Страница 24: ...ps Free running mode 1 Vn 2 1H 2048 2048 30 1024 60 512 120 256 240 128 481 64 962 8 7696 External trigger mode Edge trigger Level trigger 1 Vn 2 1H Exp1 10 1H 2048 2048 27 1024 50 512 85 256 133 128...

Страница 25: ...048 64 704 2048 8 877 Hn 512 8 Vn 2048 512 2048 88 512 512 273 512 8 877 2 2 64 Hn 1024 4 Vn 1024 1 Vn 1H Exp1 10 1H 1024 1024 88 4 4 32 Hn 512 2 Vn 512 1 Vn 2 1H Exp1 10 1H 512 512 88 External trigge...

Страница 26: ...to 10 s 40 s to 10 s with sub array setting input in units of seconds Exp2 Exp1 10 s round up at decimal point Calculation formula 10 s Exp2 Available setting range of the exposure time is the followi...

Страница 27: ...n the exposure time setting Note Please contact to Hamamatsu subsidiary or local distributor for the detail of the timing information 9 2 6 1 1 Normal readout mode The normal readout mode is suitable...

Страница 28: ...mode The electrical shutter mode is used to get a proper signal level when signal overflow happens due to too much input photons in normal readout mode In this mode the fastest frame rate is 30 fps in...

Страница 29: ...butor for the detail of the timing information 9 2 6 2 1 Edge trigger mode The edge trigger mode is used so that the exposure starts according to an external signal Exposure time is set by software co...

Страница 30: ...period of the input trigger pulse The example below is for the trigger level High The exposure of the first line begins when the trigger signal becomes High and the exposure of the second line begins...

Страница 31: ...he spinning disk rotation speed Also it is useful for securing as long exposure time as possible while controlling the exposure start timings by external trigger signals 1 Normal operation when the tr...

Страница 32: ...ger times Also in the synchronous readout trigger mode synchronous readout can be controlled by specifying set by command the number of timing pulses to determine the exposure time The following figur...

Страница 33: ...by a trigger input for continuous imaging and it works at the highest frame rate because it is operated in free running mode In the start trigger mode the camera starts exposure and switches to free r...

Страница 34: ...are command and they are output from Timing out connector Note Please refer to Figure 9 4 to Figure 9 10 about details of each trigger output functions 9 2 6 3 1 Global exposure timing output It shows...

Страница 35: ...gnal Read End Camera outputs a pulse after certain delay from the end of sensor readout Also the pulse width can be set Vsync Camera outputs a pulse after certain delay from the beginning of readout A...

Страница 36: ...1 34 9 2 6 4 Global reset Global reset function enables to reset the electric charge of all pixels at the same time Then all pixels can start exposure at the same time Global reset can work with Edge...

Страница 37: ...S There are a few pixels in the CMOS image sensor that have slightly higher readout noise performance compared to surrounding pixels The camera has real time variant pixel correction features to impro...

Страница 38: ...f cosmic rays and radiation X rays gamma rays ultraviolet rays etc is large and it may cause permanent defects in silicon wafers and defective pixels with large dark current In current technology ther...

Страница 39: ...wipe over center area of the window gently Use Lens Cleaning Paper for cleaning of glass window in front of the CMOS image sensor Use a plastic tweezers and take extra care not to scratch the glass w...

Страница 40: ...e on the screen Cause Measures Chapter Lens is dirty Wipe the lens 11 2 Image is blurred Cause Measures Chapter Lens is not focused Contact Hamamatsu subsidiary or local distributor 16 Condensation ap...

Страница 41: ...te at Full resolution 30 fps Standard scan 40 fps Rapid rolling at 1024 lines at center position 60 fps Standard scan 80 fps Rapid rolling at 8 lines at center position 7696 fps Standard scan 11 111 f...

Страница 42: ...Programmable timing output High output Low output External trigger output connector SMA connector External trigger output level 3 3 V LVCMOS level External trigger output polarity Positive Negative P...

Страница 43: ...line 85 mm W 85 5 mm H 117 6 mm D Weight Camera Approx 1 1 kg AC adapter power supply cord Approx 1 0 kg Note Please see 14 DIMENSIONAL OUTLINES for detail of dimensions 5 Applicable standards EMC EN6...

Страница 44: ...ORCA Flash4 0 LT3 Digital CMOS camera C11440 42U40 Instruction manual_Ver 1 1 42 13 2 SPECTRAL RESPONSE CHARACTERISTICS TYP Figure 13 1...

Страница 45: ...ORCA Flash4 0 LT3 Digital CMOS camera C11440 42U40 Instruction manual_Ver 1 1 43 14 DIMENSIONAL OUTLINES 14 1 C11440 42U40...

Страница 46: ...for repairs during the warranty period in the event of a natural disaster or if you handle the camera contrary to the instructions in this manual use it without due caution or try to modify it 3 We w...

Страница 47: ...tion worldwide could be found under www hamamatsu com The contents of this manual are subject to change without notice The unauthorized reproduction or distribution of parts or all of this manual is p...

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