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| TemCam CMOS Camera (2k, 16µm, 16bit) | |
| Introducing a new generation of TEM cameras, TVIPS launches TemCam-F216, the latest 4 MegaPixel camera, covering an image area of 32 x 32 mm². Custom designed CMOS architecture resulting in a large fill factor, high sensitivity and superior resolution combines the advantages of classical slow scan 2k CCD cameras with an exceptional acquisition speed. The CMOS sensor, showing absolutely no blooming or smearing on intensive illumination and the high quality 16 bit analog-to-digital converter, makes this camera an excellent choice for all types of applications requiring high dynamic range, such as for the acquisition of diffraction patterns. |
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Download product info (PDF, 60kb)
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Field of view | |
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Fast readout | |||||
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Image area of 32 x 32 mm². | |
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Two readout ports, each sampling with 10 MPixel/sec, digitize the image information at full resolution within 1.8 sec. For a subarea of 2k x 1k, frame rates of 3 fps can be achieved. | |||||
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Rolling Shutter Mode | |
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Fiber-optical coupling | |||||
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For even faster readout the sensor
can be operated in the rolling shutter
(RS) mode whereby no beam shutter is needed. Frame rates of up to
8.5 fps for a 1k x 1k subarea can be achieved. This mode is well suited for searching the object of interest. |
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Fiber-optical coupling of the electron-sensitive layer (scintillator) with the sensor increases the amount of light collected in comparison with lens-optical coupling and, as a result, the sensitivity of the camera. | |||||
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Optimized scintillators |
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TVIPS optimizes the scintillator for
individual demands. For each high
tension up to 400 kV, two standard
types (scintillator thicknesses) are
available: optimized for high resolution (HR) or for high sensitivity (HS). |
SPECIFICATIONS
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TemCam-F216 | |||||
| Sensor type | CMOS | |||||
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| Format (pixel) | 2048 x 2048 | |||||
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| Pixel size (μm2) | 15.6 x 15.6 | |||||
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| Fill factor (%) | 72% | |||||
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| Field of view (mm2) | 31.9 x 31.9 | |||||
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| Readout rate (16 bit) | 2 x 10 MPixel/sec | |||||
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| Frame rates: | ||||||
| Full resolution, 1x binning |
1.8 fps | |||||
| Subarea, 1k x 1k, 1x binning |
3.0 fps | |||||
| Full area, 2k x 2k, RS |
4.5 fps | |||||
| Subarea, 1k x 1k, RS |
8.5 fps | |||||
| Subarea, 2k x 1k, RS |
8.5 fps | |||||
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| Post-magnification | 0.8x - 1.4x | |||||
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| Electron-optical coupling | 1:1 fiber-optics | |||||
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| Scintillator type | polycrystalline phosphor | |||||
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| Binning factors | 1x, 2x, 4x | |||||
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| Gain factors | 1x | |||||
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| Sensor Cooling* | -10°C (regulated) | |||||
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| Dynamic range(maximum/noise)* | 10:000 : 1 | |||||
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| Non-linearity (after flatfield correction) | < 1% | |||||
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| Sensitivity (for a single 200 keV electron)* | 60 counts (HR) | |
100 counts (HS) | |||
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| SNR (for a single 200 keV electron)* | 14:1 (HR) | |
22:1 (HS) | |||
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| Resolution @ 200 kV (NTF at Nyquist frequency)* |
11% | |
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| Blooming | not present | |||||
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| Bottom mounted | On-axis | |||||
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| System requirements | Windows XP, Intel DualCore CPU, Optical Gigabit Ethernet (PCI Express x4 slot) | |||||
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| Software | EM-MENU, tomography, single particle collection, EM-SPECTRΩ, recording to hard disk | |||||
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| * Typical values | ||||||
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