Agilent Technologies 42A Guide de l'utilisateur Page 54
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- MARQUE LIVRES
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Specifications Supplementary Performance Characteristics
54 Agilent 81480A and 81680A, 40A, 82A, 42A, & 89A Tunable Laser Modules User’s Guide,
Sixth Edition
Supplementary Performance
Characteristics
Operating Modes
Internal Digital Modulation
1
50% duty cycle, 200 Hz to 300 kHz. Modulation output: TTL reference
signal.
1
Agilent 81480A, Agilent 81680A/40A/82/42A: displayed wavelength
represents average wavelength while digital modulation is active.
External Digital Modulation
1
> 45% duty cycle, fall time < 300 ns, 200 Hz to 1 MHz. Modulation input:
TTL signal.
External Analog Modulation
1
≤ 15% modulation depth, 5 kHz to 20 MHz.
Modulation input: 5 Vp-p.
External Wavelength Locking (Agilent 81480A, Agilent
81680A/40A/82A/42A)
> ±70 pm at 10 Hz
>
±7 pm at 100 Hz
Modulation input:
±5 V
Coherence Control (Agilent 81480A, Agilent
81680A/40A/82A/42A)
For measurements on components with 2-meter long patchcords and connectors
with 14 dB return loss, the effective linewidth results in a typical power stabil-
ity of <
±0.025 dB over 1 minute by drastically reducing interference effects in
the test setup.
- Agilent 81480A and 1
- Tunable Laser Modules 1
- 81680-90014 E0101 2
- Safety Summary 3
- Line Power Requirements 4
- Operating Environment 4
- Input/Output Signals 4
- Storage and Shipment 4
- Laser Safety Labels 6
- Top Vie w 7
- The Structure of this Manual 10
- Sixth Edition 10
- Table o f C onte nts 11
- Specifications 39 12
- Performance Tests 57 13
- Te st R e c ord 99 14
- Cleaning Information 171 16
- Table of Cont ent s 18
- List of Figures 19
- What is a Tunable Laser ? 23
- Angled Contact Connector 26
- Agilent 81689A with 26
- Straight Contact Connector 26
- Optical Output 27
- Straight Contact 28
- Connector Symbol 28
- Angled Contact 28
- Signal Input and Output 29
- Accessories 31
- Modules and Options 33
- Filler Module 34
- User’s Guides 35
- Connectors 37
- Specifications 39
- Definition of Terms 41
- Linewidth 42
- Minimum Output Power 42
- Mode-Hop Free Tuning Range 42
- Modulation Extinction Ratio 42
- Modulation Frequency Range 43
- Output Power 43
- Output Isolation 43
- Peak Power 43
- Polarization Extinction Ratio 43
- Power Repeatability 44
- Relative Wavelength Accuracy 45
- Return Loss 45
- Sidemode Suppression Ratio 46
- (SSE) Ratio 46
- Emission 46
- Wavelength Range 47
- Wavelength Resolution 47
- Wavelength Stability 47
- Tunable Laser Module 48
- wavelength accuracy 50
- Supplementary Performance 54
- Characteristics 54
- Performance Tests 57
- Required Test Equipment 59
- Test Failure 60
- Instrument Specification 60
- Performance Test Instructions 61
- Wavelength Accuracy 62
- Absolute Wavelength Accuracy 64
- Power Tests 67
- Maximum Output Power 69
- Power Outputs 81
- SSE Outputs 83
- ≈ 1520 nm 84
- ≈ 1407 nm 84
- Power [P] 85
- Agilent 81480A - Output 1 -7 85
- Wavelength/ nm 89
- ±0nm (= OSA_λ_center) pW 90
- Total SSE 10 94
- Optional Test 95
- Test E qu ipment Used 100
- ________nm 102
- Mode Hop Free Tuning 103
- Wavelength Repeatability 104
- Maximum Power Test 105
- Page 8 of 13 106
- Page 9 of 13 107
- Power Flatness 108
- Power Stability 109
- Output 2, High Power 109
- Output 1, Low SSE 110
- Test Record 113
- Test Facility: 127
- Test Equipment Used 128
- Repetitions 130
- Page 9 of 13 135
- Page 3 of 12 143
- Page 4 of 12 144
- Power Linearity - 81682A 147
- Page 8 of 12 148
- Page 9 of 12 149
- OSA_noise 152
- Minimum Deviation nm nm nm 155
- Power Linearity - 81642A 159
- Power Linearity 169
- Cleaning Information 171
- Safety Precautions 173
- Why is it important to clean 173
- What do I need for proper 174
- Isopropyl alcohol 175
- Cotton swabs 175
- Soft tissues 176
- Pipe cleaner 176
- Compressed air 176
- Additional Cleaning Equipment 177
- Warm water and liquid soap 178
- Premoistened cleaning wipes 178
- Polymer film 178
- Infrared Sensor Card 178
- Preserving Connectors 179
- Cleaning Instrument Housings 179
- Which Cleaning Procedure 180
- How to clean connectors 180
- How to clean connector 182
- How to clean lenses 184
- How to clean optical devices 187
- How to clean bare fiber ends 189
- Other Cleaning Hints 191
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