HP 8168E - Page 38

1
e.
Press
NNNNN
# to skip over the dwell parameter.
f. Type in 1 on the keypad and press 4
ENTER
5 to set the number of times
that the sweep is to be performed.
13.
On the laser source, press
NNNNNNNNNNNNNNNNNNNNNN
Pmax ! P to set the output power to the highest
value that can be maintained for the full sweep range.
14. On the power meter:
a. Set  to 1535nm
( 4
Param
5 !  ! 1535.0nm).
b. Make sure that the parameter cursor is in the units position (that is,at
the second \5").
Performing the Wavelength Characteristic Measurement
15. Make sure that the laser source is still active.
16. On the laser source, press
NNNNNNNNNNNNNNNNNNNN
Manual .
17. Read the value for the power at 1535nm on the multimeter.
18. Repeat the following steps at each wavelength in the sweep range
a.
On the laser source, press
NNNNNNNNNNNNNN
Next .
b. On the multimeter, increment  (press 4
*
5 ).
c. Read the value for the power at the wavelength on the multimeter.
19.
On the laser source, press
NNNNNNNNNNNNNN
Stop to end the sweep.
This procedure can be used in practice to measure the wavelength characteristic
of a component.
1-12 Getting Started