Anritsu MS9740A - Page 97

3.4 Device Message Details
3-51
3
Message Details
When executing the FP-LD application
No.
Parameter type
Description
1
<numeric>
FWHM: Spectrum width using RMS
method (m)
2
<numeric>
Mean Wl: Center wavelength (m)
3
<numeric>
Peak: Peak wavelength (m)
4
<numeric>
Peak: Peak level (dBm)
5
<numeric>
Mode (n dB): Number of longitudinal
modes
6
<numeric>
Mode Spacing: longitudinal mode interval
(gap) (m)
7
<numeric>
Total Power: Spectrum integral power
(dBm)
8
<numeric>
σ: Standard deviation using RMS method
(m)
When executing the LD Module application
No.
Parameter type
Description
1
<numeric>
Kσ: Spectrum width (m)
2
<numeric>
σ: Standard deviation (m)
3
<numeric>
2nd Peak: Side mode wavelength (m)
4
<numeric>
2nd Peak: Side mode level (dBm)
5
<numeric>
Mode Offset: Differences between side
mode wavelength and peak wavelength
(m)
6
<numeric>
SMSR: Side mode suppression ratio (dB)
7
<numeric>
Peak: Peak wavelength (m)
8
<numeric>
Peak: Peak level (dBm)
9
<numeric>
SNR(/*.*nm): Signal-noise ratio (noise
level per noise bandwidth) (dB)
10
<numeric>
SNR (Res **nm): Signal to noise ratio
(true value) (dB)