Setting the Wavelength/Frequency and FWHM Values
XTA-50 User Guide
27
Figure 12: Custom Grid Window
3.
Specify the wanted spectral unit by touching the
button.
•
In wavelength mode:
•
FWHM unit is pm (picometer).
•
Wavelength unit is nm (nanometer).
•
In frequency mode:
•
FWHM unit is GHz (gigahertz).
•
Frequency unit is THz (terahertz).
4.
Select the wanted channel:
a. Touch the tab to display the corresponding table.
b. In the table, select the value corresponding to the wanted channel.
5.
Specify the FWHM:
a. In the
FWHM
area, touch the gauge.
The virtual keypad appearing on screen is initialized with the value
corresponding to the point you have touched on the gauge.
b. Enter the wanted FWHM value using the virtual keypad.
The available FWHM values are detailed in section
Technical Specifications, p. 9
Important
FWHM can be constrained by wavelength/frequency value (see
Constrain on Central Wavelength, p. 24
for reverse principle).
Summary of Contents for XTM-50 O-band
Page 1: ...www EXFO com XTA 50 Optical Tunable Filter User Guide XTA 50_UG_2 1v2 3...
Page 2: ......
Page 18: ...Installing and Connecting the XTA 50 18 XTA 50 User Guide...
Page 22: ...Turning on off the XTA 50 22 XTA 50 User Guide...
Page 62: ...Performing Basic Maintenance Operations 62 XTA 50 User Guide...
