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N777 C Series
Keysight N777 C Series User Manual
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User’s Guide
Keysight N777-C Series
Tunable Laser Family
N7776C Tunable Laser Source
N7778C Tunable Laser Source
N7779C Tunable Laser Source
2
Table of Contents
Default Chapter
3
Safety Summary
3
Instrument Markings
4
South Korean Class a EMC Declaration
5
Compliance and Environmental Information
5
Declaration of Conformity
5
Table of Contents
7
1 General Operating Considerations
13
Overview
14
Laser Safety Information
15
Initial Safety Information for Keysight N777-C Family Lasers
15
Laser Safety Labels
16
Laser Safety Symbols
17
Operating Environment
18
Handling the Instrument
20
Storage and Shipment
20
Carrying the Instrument
20
Rack Mount the Instrument
20
Obtaining Source Code
22
2 Getting Started
23
Initial Inspection
24
Claims and Repackaging
24
Return Shipments to Keysight Technologies
24
Deleting User Data
25
Power Supply Requirements
26
Line Power Requirements
26
N777-C Series of Tunable Laser Family
28
The Keysight N7776C Top-Line Tunable Laser Source
28
The Keysight N7778C Value Line Tunable Laser Sources
28
The Keysight N7779C Basic Line Step-Tunable Laser Source
29
O-Band Option for Silicon Photonics/ Integrated Photonics Applications
29
E-Band Option for CWDM8 Component Testing
29
N777-C Front and Rear Panel
30
Input/Output Signals
31
Optical Output
32
LAN Interface
34
The LAN LED
34
The LAN Reset Button
34
USB Interface
35
Powering up the Instrument
36
Connecting the Instrument
37
Connecting over USB
37
Connecting over LAN
38
N777-C User Interface
41
3 Definition of Terms
43
Definition of Terms
44
General Definitions
44
Absolute Wavelength Accuracy (Continuous Sweep Mode)
45
Absolute Wavelength Accuracy (Stepped Mode)
45
Dynamic Power Reproducibility (Continuous Sweep Mode)
45
Dynamic Relative Power Flatness (Continuous Sweep Mode)
46
Effective Linewidth
46
Linewidth
47
Maximum Output Power
47
Mode-Hop Free Tunability
48
Operating Temperature and Humidity
48
Output Isolation
48
Polarization Extinction Ratio
48
Power Flatness Versus Wavelength
49
Power Linearity
50
Power Repeatability
50
Power Stability
51
Relative Intensity Noise (RIN)
51
Relative Wavelength Accuracy (Continuous Sweep Mode)
52
Relative Wavelength Accuracy (Stepped Mode)
52
Return Loss
53
Side-Mode Suppression Ratio
53
Signal to Source Spontaneous Emission (SSE) Ratio
54
Signal to Total Source Spontaneous Emission Ratio
55
Wavelength Range
55
Wavelength Repeatability (Continuous Sweep Mode)
55
Wavelength Repeatability (Stepped Mode)
56
Wavelength Resolution
57
Wavelength Stability
57
4 N777-C Web Interface Reference
59
N777-C Web Interface
60
Controlling N777-C Instruments
62
Control Instrument Tab
62
How to Set Wavelength
65
How to Set Power
65
How to Perform a Wavelength Sweep
66
How to Use Triggers
70
How to Set Modulation
71
How to Lock/Unlock the Instrument
72
How to Turn ON/OFF the Laser
73
How to Use Auxiliary Functions
74
How to Get Current Instrument Settings
74
How to Identity a Particular Instrument
75
How to Capture an Image of the Graph
75
How to Save/Recall the Web Interface Settings
75
Logging In/Out of the N777-C Web Interface
76
How to Create/Change the Password
77
What if You Forget Your Password
77
How to Perform Realignment
77
Lambda Zeroing
78
Update Rate
79
Reboot Device
80
How to Configure LAN
80
5 N777-C Instrument's Front Panel Display
85
N777-C Instrument's Front Panel Display
86
Controlling N777-C Instruments
88
Control Instrument Window
88
How to Set Wavelength
91
How to Set Power
92
How to Perform a Wavelength Sweep
93
How to Use Triggers
97
How to Set Modulation
100
How to Lock/Unlock the Instrument
101
How to Turn ON/OFF the Laser Output
101
How to Get Current Instrument Settings
101
How to Configure LAN
103
6 Maintenance
108
Cleaning Instructions
108
Safety Precautions
108
Why Is It Important to Clean Optical Devices
108
What Materials Do I Need for Proper Cleaning
109
General Cleaning Procedure
111
Further Cleaning Information
112
Firmware Upgrades
113
Requirements
113
Contact Keysight Technologies
114
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Keysight N777 C Series Specifications
General
Brand
Keysight
Model
N777 C Series
Category
Measuring Instruments
Language
English
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