6
Example 3 - Measuring the P
ower of a Modulated Signal
190 ! and to autorange
200 !
210 OUTPUT Mm;"sense1:power:unit W;atime 1s;range:auto on"
220 !
230 CLEAR SCREEN
240 PRINT TABXY(2,2);"Programming example 3: Measuring the power of a Modulated Signal"
250 !
260 ! Set up the power on the tunable laser source, and on the meter
270 !
280 OUTPUT Tls;"wavelength ";Wavel
290 OUTPUT Mm;"sense1:power:wavelength ";Wavel
300 !
310 ! Set the modulated power on the TLS
320 !
330 OUTPUT Tls;"power:unit W;:power ";Oppwr
340 OUTPUT Tls;"am:state on;internal:frequency ";Opfrq
350 !
360 ! Switch on the optical output of the TLS
370 ! Read the value from the multimeter, and display it
380 !
390 OUTPUT Tls;"output on"
400 WAIT 3
Let everything settle before making a reading
410 OUTPUT Mm;"read1:power?"
420 ENTER Mm;A
430 PRINT TABXY(4,4);"The power read is";A*1E6;"uW"
440 !
450 END
Programming Examples 6-9
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