146 8163A/B, 8164A/B, 8166A/B User’s Guide
5 Tunable Lasers
3Press [λ->λ0] to set <λ0> to 1570 nm. <λ0> represents the base
wavelength,
λ
0
, in the equation above.
How to Change the Frequency Offset
4Move to [
Δf] and press Enter. [Δf] represents the frequency offset, df, in
the equation above.
5 Enter 1.000 and press Enter. The frequency offset, [Δf], changes to
1.000 THz.
Note how the frequency offset, [Δf], changes to zero when you press
[
λ->λ0].
Note how the output wavelength, [λ], changes as you change the value of
[
Δf].
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