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cameralink cameras with truesense imaging
sensors
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Figure 5 ►
Quantum efficiency for
Baumer SXC cameras.
Figure 6 ►
Structure of an imaging
sensor with global shut-
ter (interline).
10
6.
Product Specifications
6.1. Sensor Specifications
6.1.1. Quantum Efficiency for Baumer SXC Cameras
The quantum efficiency characteristics of monochrome and color matrix sensors for
Baumer SXC cameras are displayed in the following graphs. The characteristic curves for
the sensors do not take the characteristics of lenses and light sources without filters into
consideration, but are measured with an AR coated cover glass.
Values relating to the respective technical data sheets of the sensors manufacturer.
350
450
550
650
SXC (monochrome)
6.1.2. Shutter
All cameras of the SX series are equipped with a global shutter.
Global shutter means that all pixels of the sensor are reset and afterwards exposed for a
specified interval (t
).
exposure
For each pixel an adjacent storage area exists. Once the exposure time elapsed, the
information of a pixel is transferred immediately to its storage area and read out from
there.
Due to the fact that photosensitive surface gets "lost" by the implementation of the storage
area, the pixels are mostly equipped with microlenses, which focus the light to the pixels
active area.
750
850
950
1050
350
SXC (color)
Wave Length [nm]
450
550
650
750
850
950
Wave Length [nm]
Pixel
Active Area (Photodiode)
Storage Area
1050
Microlens