THORLABS ITC502 - Optical Power Control

3.6 ITC5xx specific commands
ITC500 / page 78
3.6.11 Optical power (POPT)
Programming:
Syntax: ":POPT:SET <NR3>"
Valid Range: Depends on the instrument type and the programmed sensitivity of the
monitor diode.
Default Value: 0 W
Assumption: The operation mode is set to constant power.
Description: Sets the optical power. Unit: [W].
Reading the set power:
Syntax: ":POPT:SET?"
Response: [:POPT:SET <NR3>]
Description: Queries the programmed optical power. Unit: [W].
Reading the minimum power:
Syntax: ":POPT:MIN?"
Response: [:POPT:MIN <NR3>]
Description: Queries the minimum allowed optical power. Unit: [W].
Reading the maximum power:
Syntax: ":POPT:MAX?"
Response: [:POPT:MAX <NR3>]
Description: Queries the maximum allowed optical power. Unit: [W].
Reading the actual power:
Syntax: ":POPT:ACT?"
Response: [:POPT:ACT <NR3>]
Description: Queries the actual optical power. Unit: [W].
 (See note at command CALPD on page 77)