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Ascent A1108 Specifications
| As low as: $6,995 US, $7,772 Intl** |
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The Ascent A1108 has a wide spectroscopic format back-illuminated CCD with very high quantum efficiency, especially in the ultraviolet.
- 2048 x 250 array, 12 x 12 micron pixels
- 32 Mbyte SDRAM image buffer
- Programmable 16-bit digitization speeds up to 250 kpixels/sec
- USB 2.0 interface: no plug in cards or external controllers
- Programmable, intelligent cooling to 40°C below ambient
- Binning up to 4 Horizontal x CCD height
- Subarray readout and fast sequencing modes
- Programmable offset and gain
- External triggering and strobe controls
- ActiveX drivers included with every system
- Field upgradeable firmware
- BK7 windows (optional fused silica)
- Precision time delayed integration (TDI) and kinetics mode readout
- Optional internal vane or external electromechanical shutter
- Optional Nikon F-mount or 2” slip fit adapter
- Single 6V supply with input voltage protection system
- Compact enclosure: 23 oz. (0.65 kg)
- Programmable status indicators
MaxIm DL/CCD and CCDSoft software packages are offered at special prices when purchased at the same time as a camera system.
| CCD Specifications |
| CCD | |
| Array Size (pixels) | 2048 x 250 |
| Pixel Size | 12 x 12 microns |
| Imaging Area | 24.6 x 3 mm (73.7 mm2) |
| Imaging Diagonal | 24.8 mm |
| Video Imager Size | 1.55” |
| Linear Full Well (typical) | 75K electrons |
| Dynamic Range | >81 dB |
| QE at 230 nm | 68% |
| QE at 400 nm | 58% |
| Peak QE (600-650 nm) | 89% |
| Anti-blooming (nominal) | none |
| Camera System Performance |
| PC Interface | USB 2.0 |
| USB2 Cable | Std.: 5m. Extensions: 5 meters between hubs; 5 hubs maximum (max. total of 30m) Wide variety of extenders available, including fiber optics to 10 km. |
| Digital Resolution | 16 bits at up to 250 kpixels/sec |
| System Noise (typical) | 15 e- RMS at 250 kHz |
| Pixel Binning | 1 x 1 to 4 x 250 on-chip |
| Exposure Time | Minimum 100 milliseconds using vane shutter; max.183 minutes |
| Image Sequencing | 1 to 65535 image sequences under software control |
| Frame Sizes | Full frame, subframe, focus mode |
| Cooling (typical) | Thermoelectric cooler. Maximum forced air cooling 40°C below ambient temperature. |
| Dark Current (typical) | 2 e-/pixel/sec. (-20°C) |
| Temperature Stability | ± 0.1°C |
| Camera Head Size | Aluminum. 3.2” x 5.7” x 1.3” (8.1 x 14.5 x 3.3 cm) Weight: 1.4 lb. (0.65 kg) |
| Mounting | 1.5” x 2.5” bolt pattern, 6-32 thread. Optional Nikon F-mount or 2” slip-fit adapters. |
| Back Focal Distance | Standard: 0.32” (0.81 cm). [optical] |
| Operating Environment | -30°C to 35°C. Relative humidity: 10 to 90% non-condensing. |
| Op.Sys.Support | Windows, Linux, Mac OSX |
| Power | 20W maximum power with internal shutter open and cooling maximum. AC/DC “brick” supply with int’l AC input plug (100-240V, 50-60 Hz). Alternate 6V input from user’s source. |
| Shutter | Optional internal vane or external electromechanical shutter. |
| Remote Triggering | LVTTL input allows exposure to start within 25 microseconds of rising edge of trigger |
CCD Sensitivity
** All special prices are 100% prepaid, direct sales only.
For non-USA customers, please consult your local dealer or Apogee if there is no representative in your area.
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