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2.3 Output Modulation
The laser output may be selected between a con-
tinuous wave (CW) and a 270 Hz, 1 kHz, or 2 kHz
modulated wave (CHOP). The laser output indica-
tor stays on when it is a continuous wave. The
indicator blinks when it is a modulated.
2.3 Output Modulation
Continuous
wave
Continuous wave (CW)
The laser output indicator stays on.
270Hz/
1kHz/2kHz
Duty ratio of 50%
Modulated beam (CHOP) at the
displayed frequency
The laser output indicator blinks.
(The figure shows the 3662-20.)
Laser output
indicator
Output
Modulation
Switch
The names of the parts and the functions are the
same for the 3663-20.
Содержание 3662-20
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