Teledyne ProEM Series, Системное руководство

Страница: 106 / 162

106 ProEM System Manual Issue 3
6.5 Spectra-Kinetics (Option)
Spectra-Kinetics, which is standard on the ProEM:512BK, is a software option available
for purchase for use with ProEM:512B and ProEM:1024B cameras. When this option is
available you will be able to select Spectra-Kinetics as the readout mode. Refer to
Table 6-1 for a comparison of specifications.
Unlike standard kinetics mode where binning is performed in the serial register,
spectra-kinetics hardware bins the exposed rows into a single row as the rows are being
shifted into the frame transfer area (or under an external mask). By using this technique,
the spectra-kinetics option is able to capture longer-duration events and provide
higher sensitivity than standard kinetics mode. Use of spectra-kinetics allows the ProEM
camera to acquire the full masked height's worth of spectra regardless of the height of
the illuminated rows – all while delivering the same temporal resolution as standard
kinetics.
For the fastest possible acquisition, this mode requires that an external mask blocks
light from all but a window of rows just below the frame transfer area. During
acquisition, the window is exposed and then the rows are shifted into the frame transfer
area where they are binned into a single row. The next exposure occurs, followed by
shifting and binning. And so on…. By binning into a single row, up to 528 kinetics frames
can be acquired for a ProEM:512B/BK and up to 1037 kinetics frames for a
ProEM:1024B. See
Figure 6-18 and Figure 6-19 .
Table 6-1: ProEM:512B/BK and ProEM:1024B Kinetics versus Spectra-Kinetics
Rows
Illuminated
Total Number of Kinetic Frames
ProEM:512B/BK ProEM:1024B
Kinetics Spectra-Kinetics Kinetics Spectra-Kinetics
32 32 528 64 1037
64 16 528 32 1037
128 8 528 16 1037
256 4 528 8 1037