7. Instrument Features
7-2 Operating Manual for the LS Series Scanner No. 30001798 Rev. No. 1.5 2004-11
Parameters Characteristics
Optical
Light sources 2-4 Lasers
633 nm HeNe, 532 nm solid state, 594 nm HeNe,
488 nm solid state
Fluorescence
Detector(s)
Low dark current photo-multiplier tube(s)
Gain adjustment 70-255 units
Optics High aperture collection optics (NA 0.6) with high
working distance
Working distance max. 6.5 mm
Emission Filters User selectable
Held in exchangeable filter slides
Up to 28 different filters supported by the instrument
Additional filters can be defined and added by the
user
Dichroic Beamsplitter
(Dual channel
instruments only)
Two different beamsplitters (automatically selected)
An additional beamsplitter can be implemented
Pinholes 3 pinholes of different sizes, user selectable by
software
Reference Detector Monitors laser power
Autofocus Automatic, user selectable parameters
Barcode reader Optional
Mechanical
Scanner Scans 40 rows per second
Scan table 5-axis high precision module for scanning and
automatic alignment of exact focus position
Front door Opens automatically
Performance
Sensitivity < 0.1 Fluoequivalent/ µm
2
(Cy5)
Dynamic Range 5 orders of magnitude
Pixel resolution 40 µm, 20 µm, 10 µm, 6 µm, 4 µm
Reading speed 40 lines per second
< 4 minutes for full slide (two colors for dual channel
instruments)
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