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OWNERS MANUAL | Cobolt 08-01 Series | D0141-K SEPTEMBER 2020
06-DPL Modulation
The 06-DPL can be modulated with digital modulation, analog modulation or a combination of the two. The
simplest of which is the digital modulation. For a detailed guide to operating the laser in modulation modes see
section 6 : Modulation mode operation.
.
06-DPL modulation input signal connections
Digital modulation input signal
o
Input signal : 0
–
5 V TTL signal, square wave
▪
0.0
–
1.5 V: OFF
▪
3.5
–
5.0 V : ON
o
Modulation Frequency: DC
–
up to 50 kHz
(wavelength dependent)
o
Impedance: 10 k
Analog modulation input signal
o
Input signal: 0
–
1.0 ± 0.3 V , arbitrary waveform
o
Modulation Frequency: DC
–
5 kHz
o
Impedance: 1 k
Closedown operation
1.
Turn the key switch to OFF first (CDRH models only).
2.
Disconnect PSU from mains outlet.
3.
Disconnect laser from PSU.
4.
Disconnect laser head from Key control box (only required for shipping).
1 kHz digital modulation
100 Hz analog modulation
