App-17
IM AQ6370D-01EN
Appendix
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App
Index
Appendix 3 Details of Each Analytical Functions
FP-LD Analysis Function
The following parameters for FP-LD light sources are analyzed collectively
• SPECTRUM WIDTH
• MEAN WAVELENGTH
• TOTAL POWER
• MODE NO.
Following table shows the details of parameters for FP-LD analysis.
Parameter
Abbreviation Default Value Setting Range Unit
Description
SPECTRUM
WIDTH
ALGO
PK-RMS
ENVELOPE /
THRESH / RMS
/ PK-RMS
-
THRESH
20
0.01 to 50.00
dB
THRESH2
20
0.01 to 50.00
dB Valid only when ALGO is
ENVELOPE.
K
2
1.00 to 10.00
-
MODE FIT
OFF
ON / OFF
-
Valid only when ALGO is THRESH.
MODE DIFF
3
0.01 to 50.00
dB
MEAN
WAVELENGTH
ALGO
PK-RMS
ENVELOPE /
THRESH / RMS
/ PK-RMS
-
THRESH
20
0.01 to 50.00
dB
THRESH2
20
0.01 to 50.00
dB Valid only when ALGO is
ENVELOPE.
K
2
1.00 to 10.00
-
MODE FIT
OFF
ON / OFF
-
Valid only when ALGO is THRESH.
MODE DIFF
3
0.01 to 50.00
dB
TOTAL POWER
OFFSET
LEVEL
0
−10.00
to 10.00
dB
MODE NO.
ALGO
PK-RMS
ENVELOPE /
THRESH / RMS
/ PK-RMS
-
THRESH
20.00
0.01 to 50.00
dB
THRESH2
20.00
0.01 to 50.00
dB Valid only when ALGO is
ENVELOPE.
K
2.00
1.00 to 10.00
-
MODE FIT
OFF
ON / OFF
-
Valid only when ALGO is THRESH.
MODE DIFF
3.00
0.01 to 50.00
dB
Concerning the algorithms for FP-LD analysis, refer to data calculation algorithms for
spectrum widths and power analysis algorithms.
