SD000317 Rev. G
January 2001
Remote Option.......................................................................................................62
Display Option........................................................................................................63
Source Optics Module Operation...........................................................................63
Using SWS Software .........................................................................................................64
SWS Program........................................................................................................64
SWS User Interface Main Menu.............................................................................65
File Menu ................................................................................................................65
Mode Menu.............................................................................................................68
System Menu .........................................................................................................69
Window Menu.........................................................................................................72
Help Menu...............................................................................................................73
Configuration Windows..........................................................................................74
Chart Area ..............................................................................................................74
Common Area........................................................................................................75
Status/Analysis Area ..............................................................................................76
Reference Scans Tab Page ..................................................................................77
Process and Display Options Tab Page ...............................................................78
Analysis Tab Page .................................................................................................81
Markers Tab Page..................................................................................................88
Exiting the Software ...............................................................................................89
Preparing for Measurements .............................................................................................89
Zeroing the System ................................................................................................89
Zeroing for a DUT ...................................................................................................89
Example Application: Zeroing for an FBG using a Circulator and Reflector..........90
Measuring Dark Voltage .....................................................................................................91
Measuring Zero Loss..........................................................................................................92
Measuring Insertion Loss ...................................................................................................92
Measuring Polarization Dependent Loss ...........................................................................93
Interpreting PDL Data.............................................................................................94
Characterizing Specific Devices........................................................................................94
Single-Output Devices ...........................................................................................94
Acquiring Zero Loss Reference for a Device.........................................................95
Measuring Insertion Loss of a Device....................................................................95
Measuring PDL of a Device ...................................................................................96
Multiple-Output Devices .........................................................................................97
Example Application: Characterizing Fiber Bragg Gratings in Reflection .............98
Measuring Insertion Loss of an FBG......................................................................98
Measuring PDL of an FBG.....................................................................................99
Calibrating the Equipment..................................................................................................99
General Information................................................................................................99
When do I Confirm Wavelength Accuracy? When do I Calibrate?........................99
Calibrating Multiple Receivers..............................................................................109
Using Alternative Gas Cells .....................................................................................................110
Gas Cell............................................................................................................................110
Notes ................................................................................................................................110
L-Band or C-Band Calibration Using the H
13
C
14
N Cell........................................112
Verifying Power Calibration ..................................................................................114
Calibrating Power.................................................................................................115
Restoring Factory Calibration Values ..................................................................117
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