MIL-HDBK-415A
LIST OF FIGURES - continued
FIGURE
PAGE
12-6
Test configuration for fiber loss measurements.........................................................129
12-7
Fiber dispersion measurements..................................................................................132
12-8
Test configuration for bandwidth measurements.......................................................134
12-9
OTDR block diagram.................................................................................................136
12-10
Backscatter and fiber end OTDR displays.................................................................137
12-11
Reflective and non-reflective OTDR displays ...........................................................138
12-12
Test configuration for bit tolerance............................................................................140
12-13
Test configuration for distortion and jitter measurements.........................................143
12-14
Eye pattern oscilloscope display................................................................................145
12-15
System monitoring network.......................................................................................147
A-1
Basic optical fiber composition ................................................................................ A-2
A-2
Snell's law relationships............................................................................................ A-3
A-3
Acceptance cone ....................................................................................................... A-5
A-4
Multimode distortion, broadening, and interference................................................. A-7
B-1
Nomograph for determining required receiver power for digital links as
a function of photons per pulse and wavelength........................................................B-2
B-2
Detector excess noise factor.......................................................................................B-4
B-3
Receiver figure of merit, z, as a function of bandwidth, B. and
equivalent load resistance, RL ....................................................................................B-6
B-4
Photons/pulse as a function of Z/G and F..................................................................B-8
C-1
SNR as a function of input power, PIN photodiode ..................................................C-2
C-2
SNR as a function of input power. APD....................................................................C-4
C-3
SNR adjustment for APD noise factor F....................................................................C-5
D-1
Power penalty versus extinction ratio ....................................................................... D-3
D2
Single-mode chromatic dispersion............................................................................ D-6
Power penalty versus dispersion parameter, BLD σλ ............................................... D-7
D-3
D-4
Power penalty versus timing jitter .......................................................................... D-10
Power penalty versus BLD σλ for various values of the mode-partition
D-5
coefficient ............................................................................................................... D-11
Power penalty versus BLD Ćλc .............................................................................. D-13
D-6
E-1
STS-1 frame format ................................................................................................... E-3
E-2
Sonet network elements ............................................................................................. E-3
E-3
DS1-VTI.5-STS-1 functional relationship.................................................................E-3
xv
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