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Performance Tests Performance Test Instructions
80 Agilent 81480A and 81680A, 40A, 82A, 42A, & 89A Tunable Laser Modules User’s Guide,
Sixth Edition
• Set HP 8153A to Logging, T_Total 15 minutes:
a Press Menu.
b Press Record to get STABILITY.
c Press Edit to get T_TOTAL.
d Modify the display until it shows 0:15:00.
e Press Edit.
NOTE To test power stability, it is sufficient to set T_Total to 15 minutes
rather than 1 hour, to ensure that the power control loop works
correctly.
8 Press the key beside the laser output to switch on the laser output
and wait 1 minute. For the Agilent 81480A, Agilent 81680A or the
Agilent 81640A, press the key beside Output 1, the Low SSE output,
or the key beside Output 2, the High Power output, as appropriate.
9 On the HP 8153A, press Exec.
Display will show RUNNING (blinking ) for a few moments and then
show the remaining time. When logging has finished the display will
show STABILITY.
10 To see the results:
a Press More to get SHOW.
b Press Edit to get MAXIMUM. Note the value in the test record.
c Press Next to get MINIMUM. Note the value in the test record.
d Press Edit, and Mode to return to normal operation.
11 Calculate the Stability by subtracting the MINIMUM from the
MAXIMUM.
12 If you are using the Agilent 81480A, Agilent 81680A or the
Agilent 81640A Tunable Laser module:
Connect the output fiber to Output 2, the high power output.
Set <Optical Output> to <High Power (2)>.
Then set the wavelength and power to the value given in Table Table
16.
13 Repeat item list 6 to 11.