Name: Keysight N777 C Series
Brand: Keysight
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36 Keysight N777-C Series Tunable Laser Family User’s Guide

2 Getting Started

Powering Up the Instrument

When you power on the instrument, the LEDs on the front panel show the

various stages of the instrument.

Power LAN Status

Yellow Standby mode Searching for LAN Warming Up

Green ON Connected with LAN

Blinking Green Communicating

over LAN / USB

Red Not connected

Default Chapter3
- Safety Summary3
- Instrument Markings4
- South Korean Class a EMC Declaration5
- Compliance and Environmental Information5
- Declaration of Conformity5
- Table of Contents7
1 General Operating Considerations13
Overview14
Laser Safety Information15
- Initial Safety Information for Keysight N777-C Family Lasers15
- Laser Safety Labels16
- Laser Safety Symbols17
Operating Environment18
Handling the Instrument20
- Storage and Shipment20
- Carrying the Instrument20
- Rack Mount the Instrument20
Obtaining Source Code22
2 Getting Started23
Initial Inspection24
- Claims and Repackaging24
- Return Shipments to Keysight Technologies24
- Deleting User Data25
Power Supply Requirements26
- Line Power Requirements26
N777-C Series of Tunable Laser Family28
- The Keysight N7776C Top-Line Tunable Laser Source28
- The Keysight N7778C Value Line Tunable Laser Sources28
- The Keysight N7779C Basic Line Step-Tunable Laser Source29
- O-Band Option for Silicon Photonics/ Integrated Photonics Applications29
- E-Band Option for CWDM8 Component Testing29
N777-C Front and Rear Panel30
- Input/Output Signals31
- Optical Output32
LAN Interface34
- The LAN LED34
- The LAN Reset Button34
- USB Interface35
Powering up the Instrument36
Connecting the Instrument37
- Connecting over USB37
- Connecting over LAN38
N777-C User Interface41
3 Definition of Terms43
Definition of Terms44
- General Definitions44
- 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 Linewidth46
- Linewidth47
- Maximum Output Power47
- Mode-Hop Free Tunability48
- Operating Temperature and Humidity48
- Output Isolation48
- Polarization Extinction Ratio48
- Power Flatness Versus Wavelength49
- Power Linearity50
- Power Repeatability50
- Power Stability51
- Relative Intensity Noise (RIN)51
- Relative Wavelength Accuracy (Continuous Sweep Mode)52
- Relative Wavelength Accuracy (Stepped Mode)52
- Return Loss53
- Side-Mode Suppression Ratio53
- Signal to Source Spontaneous Emission (SSE) Ratio54
- Signal to Total Source Spontaneous Emission Ratio55
- Wavelength Range55
- Wavelength Repeatability (Continuous Sweep Mode)55
- Wavelength Repeatability (Stepped Mode)56
- Wavelength Resolution57
- Wavelength Stability57
4 N777-C Web Interface Reference59
N777-C Web Interface60
Controlling N777-C Instruments62
- Control Instrument Tab62
- How to Set Wavelength65
- How to Set Power65
- How to Perform a Wavelength Sweep66
- How to Use Triggers70
- How to Set Modulation71
- How to Lock/Unlock the Instrument72
- How to Turn ON/OFF the Laser73
How to Use Auxiliary Functions74
- How to Get Current Instrument Settings74
- How to Identity a Particular Instrument75
- How to Capture an Image of the Graph75
- How to Save/Recall the Web Interface Settings75
- Logging In/Out of the N777-C Web Interface76
- How to Create/Change the Password77
- What if You Forget Your Password77
- How to Perform Realignment77
- Lambda Zeroing78
- Update Rate79
- Reboot Device80
- How to Configure LAN80
5 N777-C Instrument's Front Panel Display85
N777-C Instrument's Front Panel Display86
Controlling N777-C Instruments88
- Control Instrument Window88
- How to Set Wavelength91
- How to Set Power92
- How to Perform a Wavelength Sweep93
- How to Use Triggers97
- How to Set Modulation100
- How to Lock/Unlock the Instrument101
- How to Turn ON/OFF the Laser Output101
- How to Get Current Instrument Settings101
- How to Configure LAN103
6 Maintenance108
Cleaning Instructions108
- Safety Precautions108
- Why Is It Important to Clean Optical Devices108
- What Materials Do I Need for Proper Cleaning109
- General Cleaning Procedure111
Further Cleaning Information112
Firmware Upgrades113
- Requirements113
Contact Keysight Technologies114

Brand	Keysight
Model	N777 C Series
Category	Measuring Instruments
Language	English

Keysight N777 C Series User Manual

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