ORCAⅡ Digital CCD camera
The ORCAII has a specialty feature of low noise and high-sensitivity. Cooling down enables dark current as low as 0.0012 electrons/pixel/second and the 1024 ×1024 pixels BT-CCD (Back-thinned CCD) provides 1M pixel resolution and high quantum efficiency of over 90 % peak and broad sensitivity from UV to NIR.
This camera is especially suitable for applications which require to detect faint light with long exposure time and low noise.
- High resolution format (1024 × 1024 pixels)
- High quantum efficiency from UV to NIR
- Long exposure time (Max. 2 hours)
- Low readout noise (6 electrons rms. typ.)
- Luminescence and fluorescence imaging
- X-ray scintillator readout
- X-ray diffraction image readout
- Neutron radiography
- Photovoltage inspection
|Camera head type||Hermetic vacuum-sealed head *1|
|Imaging device||Frame transfer CCD|
|Effective no. of pixels||1024 (H) × 1024 (V)|
|Cell size||13 μm (H) × 13 μm (V)|
|Effective area||13.3 mm (H) × 13.3 mm (V)|
|Full well capacity||80 000 electrons|
|Readout speed||3.15 frames/s|
|Readout noise||6 electrons rms（typ.）*4|
|Pixel clock rate||High-precision readout mode: 0.3125 MHz
High speed readout mode: 5 MHz
|Exposure time||Internal synchronous mode/High-precision readout mode: 3.53 s to 7200 s *6 *7
Internal synchronous mode/High speed readout mode: 307 ms to 7200 s *6
External synchronous mode/High-precision readout mode: 400 ms to 7200 s *6
External synchronous mode/High speed readout mode: 20 ms to 7200 s *6
|Cooling method||Forced-air cooled
|Cooling temperature||Forced-air cooledl:- 65 ˚C (Ambient temperature : 0 ˚C to +30 ˚C)*2
Water cooled: -75 ℃ (Water temperature: +20 ℃) *2 *3
|Dark current||Air cooled (cooling temperature: - 65 ˚C): 0.0065 electron/pixel/s (typ.)
Water cooled (cooling temperature: - 75 ˚C): 0.0012 electron/pixel/s (typ.)
|Dynamic range||13 333:1 *5|
|Binning||2 × 2, 4 × 4, 8 × 8|
|External trigger mode||Edge trigger, Level trigger, Start trigger, Synchronous readout trigger *8|
|Trigger output||3 programmable timing outputs, Exposure timing output, Trigger ready output *8|
|A/D converter||16 bit|
|Power supply||AC 100 V to 240 V, 50 Hz / 60 Hz|
|Power consumption||Approx. 120 VA|
|Ambient operating temperature||0 ℃ to +40 ℃|
|Performance guaranteed temperature||0 ℃ to +30 ℃|
|Ambient storage temperature||-10 ℃ to +50 ℃|
|Ambient operating humidity||30 % to 70 % Forced-air cooled (with no condensation)|
*2: Thermal electric cooling or water cooling (Change with DIP SW). The cooling temperature may not reach to this temperature; it depends on the operation condition.
*3: Image smearing may appear when the exposure time is short.Water volume 0.5 liter/min.
*4: High-precision readout mode
*5: Calculated from the ratio of the full well capacity and the readout noise.
*6: Image smearing may appear when the exposure time is short.
*7: Using DCAM-API, the value is 400 ms to 7200 s.
*8: C-MOS 3.3 V with reversible polarity.