Exfo IQS-12002B Calibration System Manual de usuario Pagina 61
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Calibration System 57
A Calibration Methods
This chapter presents the methods, on which are based the procedures of
the IQS-12002B Calibration System., for the calibration of power meters
and OTDRs.
Power Meter
The calibration of a power meter includes the calibration of its absolute
power and, for a high-end unit (e.g., IQS power meter), the calibration of
its linearity.
Absolute Power Calibration
Power meter calibration is performed by comparing it with an
IQS-1502 Calibration Power Meter (working standard). Comparison
between the two is done by measuring the output power of a laser source,
such as the IQS-2400 (usually a DFB laser), having excellent wavelength
and power stability.
In order to improve accuracy, the system can integrate a polarization
scrambler, which reduces the uncertainty due to the polarization
dependant response (PDR) of photo detectors.
For calibration at the 850-nm wavelength, the IQS-2400 uses a stabilized FP
laser with the mandatory mode scrambler in order to obtain a stable laser
source.
- CALIBRATION SYSTEM 1
- Contents 3
- 1 Introducing the IQS-12002B 5
- 2 IQS-12002B 6
- Conformity 7
- Calibration Uncertainties 8
- Guaranteed Specifications 8
- Allowed Deviation 8
- Calibration System 5 9
- 6 IQS-12002B 10
- ³ Inside specifications 10
- Calibration System 7 11
- System Overview 13
- 2 Getting Started with Your 15
- Calibration System 15
- 12 IQS-12002B 16
- Calibration System 13 17
- Retaining screw knob 17
- 14 IQS-12002B 18
- Instrument Warmup period 19
- Calibration System 17 21
- 18 IQS-12002B 22
- 20 IQS-12002B 24
- Calibration System 21 25
- 22 IQS-12002B 26
- 24 IQS-12002B 28
- 4 Operating Your Calibration 29
- Calibration System 27 31
- Launching a Manual Warmup 32
- Locating IQS Modules 32
- Performing a Test 33
- 30 IQS-12002B 34
- 32 IQS-12002B 36
- 34 IQS-12002B 38
- 36 IQS-12002B 40
- 38 IQS-12002B 42
- Printing or Exporting Results 42
- Printing Reports 43
- 40 IQS-12002B 44
- 5 Troubleshooting 47
- 44 IQS-12002B 48
- Transportation 50
- 6 Maintenance 51
- Calibration System 53 57
- 54 IQS-12002B 58
- Calibration System 55 59
- A Calibration Methods 61
- 58 IQS-12002B 62
- Power Meter 62
- Calibration Methods 63
- Linearity Calibration 66
- 64 IQS-12002B 68
- 68 IQS-12002B 72
- Dynamic Range Test 73
- 1max −±= 75
- Distance Calibration 76
- 74 IQS-12002B 78
- Calibration System 75 79
- Dead Zone Calibration 81
- 78 IQS-12002B 82
- B Configuring the FTB-7000D 83
- OTDR on the IQS-12002B 83
- 80 IQS-12002B 84
- Calibration System 81 85
- 82 IQS-12002B 86
- Calibration System 83 87
- 84 IQS-12002B 88
- Calibration System 85 89
- 86 IQS-12002B 90
- Calibration System 87 91
- Standard 93
- 2. Click OK 94
- Position (UPC Connectors) 96
- Calibration System 93 97
- Calibration System 95 99
- 96 IQS-12002B 100
- IMPORTANT 101
- Position (APC Connectors) 102
- Calibration System 101 105
- IQS-12002B 106
- Calibration System 103 107
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