Tunable Lasers How to Set the Wavelength
124 Agilent 8163A/B, 8164A/B, and 8166A/B User’s Guide, Fourth Edition
4 Move to <Offset>, by using the cursor key, press Enter, and press
Close. You see the screen in Figure 69.
How to Change the Output Wavelength
5 Move to [λ] and press Enter. [λ] is the output wavelength, λ, in the
equation above.
6 Enter 1570 and press Enter.
NOTE Note how the frequency offset, [
∆f], changes as you change the value of
[λ].
How to Set the Base Wavelength
NOTE You cannot set <λ0>, the base wavelength directly.
7 Press [λ->λ0] to set <λ0> to 1570 nm. <λ0> represents the base
wavelength, λ
0
, in the equation above.
NOTE Note how the frequency offset, [
∆f], changes to zero when you press
[λ->λ0].
Figure 69 Setting a Relative Wavelength
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