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Essential performance
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Essential performance
The essential performance features of the instrument are exclusively limited
by the parameters and specifications listed in the following. Any other
features not contained in this table are not essential performance features.
•
Emission of pulsed laser radiation with defined values for pulse length,
pulse mode and spot size within a specified energy range.
–
Pulse mode: Single, double or triple pulse
–
Energy range (without attenuation):
Pulse mode 1: 9.0 to 13.0 mJ (max.)
Pulse mode 2: 18.0 to 28.0 mJ
Pulse mode 3: 29.0 to 45.0 mJ
–
Pulse length: < 4 ns (typically 2 ns to 3 ns)
–
Focus diameter 10 μm in air
•
Focus shift between aiming beam and therapy beam
–
Posterior: +150 μm (therapy beam focus behind aiming beam)
–
Zero: 0 μm (no focus shift between therapy and aiming beam)
–
Anterior: -150 μm (therapy beam focus in front of aiming beam)
–
Tolerance: ± 25 μm
•
Emission of a 4-point aiming beam for exact targeting of the treatment
beam (all 4 aiming beam segments are in the focal plane of the slit
illumination).
•
Focuses of the aiming and treatment beam are concentric to one
another.
•
Changes in the preselected energy in pulse mode are only possible by
turning the rotary knob or tapping on the corresponding symbol.
•
Emissions of the treatment beam can only be activated by the hand or
foot switch.
•
Shutting down and switching off the device by interruptions or
fluctuations in the power supply does not present an unacceptable risk.
Содержание VISULAS YAG III
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