How to Use Auxiliary Functions Tunable Lasers
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition 155
How to Perform a Lambda Zero
Performing a Lambda Zero recalibrates the optical wavelength. This
wavelength may drift due to a change in temperature and other
environmental conditions.
A Lambda Zero is automatically performed when the instrument boots or
when an Automatic Realignment is performed.
The instrument automatically performs a wavelength zero from time to
time. To avoid interruption of your measurements, you should perform a
wavelength zero at a time of your choice.
To perform a wavelength zero:
1 Move to the Tunable Laser channel and press Menu.
2 Move to <λ Zeroing> and press [OK]. You will see the screen in Figure 82 .
Figure 82 λ Zeroing Screen
3 Wait several minutes. This time depends on how much the wavelength of the
instrument has drifted since the last Lambda Zero was performed.
The instrument automatically performs a Lambda Zero if there is a ± 4.4 K
temperature change since the last Lambda Zero was performed.
NOTE
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