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Remote Operation
Example Programs
Example 8. Total power measurement
Description
This program demonstrates the total power function. The ASE broadband
noise power of an EDFA source is measured. Two sweeps are taken, one of the
entire trace and then another of just the noise hump. The total power of the
two different traces are displayed.
Program
OUTPUT 723;”*rst” ! Preset the instrument
OUTPUT 723;”disp:wind:trac:all:scal:auto” ! Perform automeasure
!
OUTPUT 723;”sens:wav:span 10nm” ! Set the span
OUTPUT 723;”sens:bwid:res 5nm” ! Set resolution bandwidth
!
OUTPUT 723;”init:imm” ! Take a single sweep
!
OUTPUT 723;”calc1:tpow:stat 1” ! Turn the tpower state on
OUTPUT 723;”calc1:tpow:data?” ! Query the total power
!
ENTER 723;Tpower
PRINT “Entire Trace:”;Tpower ! Print the total power
PRINT
!
! Select portion of trace
OUTPUT 723;”calc1:tpow:iran:low 1547.6nm” ! Set the upper & lower
OUTPUT 723;”calc1:tpow:iran:upp 1552.6nm” ! total power limits for the calculated range.
!
OUTPUT 723;”calc1:tpow:data?” ! Query the total power
!
ENTER 723;Tpower
PRINT “Portion of trace:”;Tpower ! Print the total power
!
LOCAL 723 ! Return to local operation
!
END
book.book Page 28 Monday, January 31, 2000 10:34 AM
