User Manuals: Keysight Technologies 81940A Laser Source

Manuals and User Guides for Keysight Technologies 81940A Laser Source. We have 1 Keysight Technologies 81940A Laser Source manual available for free PDF download: User Manual

Keysight Technologies 81940A User Manual (159 pages)

Compact Tunable Laser Source Modules

Brand: Keysight Technologies | Category: Control Unit | Size: 1 MB

Table of Contents
7
Getting Started
13
Safety Considerations
14
Safety Symbols
14
Initial Inspection
15
Line Power Requirements
15
Operating Environment
15
Input/Output Signals
16
Storage and Shipment
16
Initial Safety Information for Tunable Laser Modules
17
Laser Safety Labels
18
Figure 1 Class 1M Safety Label - 81980A, 81940A, 81944A, 81980A, 81949A
18
Introduction
19
Figure 2 Keysight 81980A Compact Tunable Laser Modules
19
What Is a Tunable Laser Source
19
Installation
19
Front Panels
19
Figure 3 Keysight 81940A Compact Tunable Laser Modules
20
Figure 4 Keysight 81989A Compact Tunable Laser Modules
20
Figure 5 Keysight 81949A Compact Tunable Laser Modules
21
Front Panel Controls and Indicators
21
Typical Use Models
22
Optical Output
24
Polarization Maintaining Fiber
24
Figure 6 PMF Output Connector
24
Angled and Straight Contact Connectors
25
Figure 7 Angled and Straight Contact Connector Symbols
25
Signal Input and Output
26
Accessories
27
Modules and Options
28
Figure 8 Mainframes, Tunable Laser Modules, and Options
28
Modules
29
Options
29
Connector Interfaces
30
Option 072 Connector Interfaces
30
Option 071: Option
30
User's Guides
31
Specifications
33
Definition of Terms
34
Figure 9 Maximum Output Power Vs. Wavelength, Maximum Flat Output Power
38
Figure 10 Circular Traces on the Poincaré Sphere Used to Calculate Polarization Extinction Ratio
40
Figure 11 Power Flatness Vs. Wavelength
41
Figure 14 Relative Wavelength Accuracy
43
Figure 15 Signal to Source Spontaneous Emission Ratio
45
Figure 16 Signal to Total Source Spontaneous Emission Ratio
46
General Definitions
48
Compact Tunable Laser Module Specifications
49
Conditions
55
Supplementary Performance Characteristics
56
General
58
Performance Tests
59
Required Test Equipment
60
Test Record
61
Performance Test Instructions
62
General Test Setup
62
Wavelength Tests
63
Wavelength Meter Settings for All Wavelength Tests
63
Figure 17 Test Setup for Wavelength Tests
63
Wavelength Accuracy
64
Absolute and Relative Wavelength Accuracy
64
Figure 18 Absolute and Relative Wavelength Accuracy
65
Mode-Hop Free Tuning
68
Figure 19 Mode-Hop Free Tuning Range
68
Wavelength Repeatability
69
Figure 20 Wavelength Repeatability
69
Power Tests
71
Maximum Output Power
71
Figure 21 Maximum Output Power
71
Figure 22 Test Setup for Maximum Output Power Tests
72
Figure 23 Test Setup for Maximum Output Power Tests
73
Power Linearity
76
Figure 24 Power Linearity
76
Figure 25 Test Setup for Power Linearity Tests
77
Figure 12 Power Linearity
78
Power Flatness Versus Wavelength
79
Figure 26 Power Flatness
79
Figure 27 Test Setup for Power Linearity Tests
80
Power Stability
82
Figure 28 Stability of Output Power Vs Time
82
Figure 29 Test Setup for Power Stability Tests
83
Signal-To-Source Spontaneous Emission Ratio
85
Figure 30 Signal-To-Source Spontaneous Emission Ratio
85
Figure 31 Test Setup for Source Spontaneous Emission Test
86
Optional Performance Tests
88
Signal-To-Total-Source Spontaneous Emission Ratio
88
Figure 32 Total SSE Measurement
88
Figure 33 Test Setup for Source Spontaneous Emission Test
89
Test Records
92
Test Record
93
Keysight 81980A Performance Test
93
Figure 13 Power Stability
101
Test Record
103
Keysight 81940A Performance Test
103
Test Record
113
81944A Performance Test
113
Test Record
120
Keysight 81989A Performance Test
120
Test Record
130
Keysight 81949A Performance Test
130
Cleaning Information
141
Cleaning Instructions
142
Safety Precautions
142
Why Is It Important to Clean Optical Devices
143
What Do I Need for Proper Cleaning
144
Preserving Connectors
148
Cleaning Instrument Housings
148
Which Cleaning Procedure Should I Use
149
How to Clean Connectors
150
How to Clean Connector Interfaces
152
How to Clean Bare Fiber Adapters
153
How to Clean Instruments with a Fixed Connector Interface
154
Additional Cleaning Information
155
Other Cleaning Hints
156

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User Manuals: Keysight Technologies 81940A Laser Source

Keysight Technologies 81940A User Manual (159 pages)

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