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Specifications—FAST Update Mode
Wavelength
Range
Absolute accuracy
(lines separated by
Differential accuracy (characteristic)
Minimum resolvable separation
(characteristic)
Display resolution
a. Signals of equal amplitude. For lines that are separated by less than 30 GHz, wavelength accuracy is
reduced.
Each laser line is assumed to have a linewidth (includ-
ing modulation sidebands) of less than 10 GHz.
All specifications apply when the instrument is in the
following modes:
• FAST update mode unless noted.
measurement speed" on page
• Configured to measure narrowband devices. Specifica-
tions do not apply when the instrument is configured to
measure broadband devices.
broadband devices and chirped lasers" on page
≥
30 GHz)
a
Specifications—FAST Update Mode
Refer to "To change the
3-8.
Refer to "To measure
1270–1650 nm
±
±
3 ppm (
0.005 nm at 1550 nm,
1310 nm)
±
2 ppm
20 GHz (0.16 nm at 1550 nm, 0.11 nm at
1300 nm)
0.001 nm
7-9
3-4.
±
0.004 nm at
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