THORLABS EDFA300S Operating Manual
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THORLABS EDFA300S Operating Manual

C-band erbium-doped fiber
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EDFA300S and EDFA300P
C-Band Erbium-Doped
Fiber Amplifiers
Operating Manual

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Summary of Contents for THORLABS EDFA300S

  • Page 1 EDFA300S and EDFA300P C-Band Erbium-Doped Fiber Amplifiers Operating Manual...

  • Page 2: Table Of Contents

    9.1. Cleaning ........................12 9.2. Connector Cleaning ....................12 Specifications ........................13 Mechanical Drawings ...................... 15 Regulatory ........................17 12.1. Waste Treatment is Your Own Responsibility ............17 12.2. Ecological Background ....................17 Declaration of Conformity ....................18 Thorlabs Worldwide Contacts ..................19...

  • Page 3: Warning Symbol Definitions

    Erbium-Doped Fiber Amplifiers Chapter 1: Warning Symbol Definitions Warning Symbol Definitions Note: Throughout this manual, references to temperature are with respect to °C. Below is a list of warning symbols you may encounter in this manual or on your device. Symbol Description Direct Current...

  • Page 4: Safety

    Erbium-Doped Fiber Amplifiers Chapter 2: Safety Safety All statements regarding safety of operation and technical data in this instruction manual will only apply when the unit is operated correctly. SHOCK WARNING High voltage inside. To avoid electrical shock, before powering the unit on, make sure that the protective conductor of the 3-conductor power cord is correctly connected to the protective earth contact of the socket outlet.
  • Page 5 Erbium-Doped Fiber Amplifiers Chapter 2: Safety The unit is supplied with a region-specific power cord. If using your own power cord, make sure it is IEC 320 compatible. Make sure that the line voltage rating marked on the rear panel agrees with your local supply and that the appropriate fuses are installed.

  • Page 6: Description

    Chapter 3: Description Description Thorlabs’ EDFA300S and EDFA300P are core-pumped Erbium-doped fiber amplifiers that provide >40 dB small signal gain and >300 mW saturated output power. The amplifiers are offered in a compact, turnkey benchtop package with FC/APC input and output connectors and in two single-mode (SM) and polarization-maintaining (PM) models.

  • Page 7: Setup

    Erbium-Doped Fiber Amplifiers Chapter 4: Setup Setup CAUTION Prior to using the EDFA systems, it is highly recommended to clean the input and output bulkheads as well as the connector facets to be connected to the bulkheads. Failure to clean the connectors can result in damage to the internal connectors in the EDFA as well as the connectors on fiber patch cables connected to the amplifier.
  • Page 8 Erbium-Doped Fiber Amplifiers Chapter 4: Setup contamination, and connect one end of the cable to the amplifier. Keep this end connected at all times, while using the other end to make connections to the optical setup. This end should still be regularly inspected and cleaned when needed.

  • Page 9: Operation

    See page 10 for connection logic. Figure 1 Front and Rear Panels of the Fiber Amplifier (EDFA300S or EDFA300P) 5.2. Turning On the Amplifier 1. Please consult with your organization’s laser safety officer regarding proper operation of the amplifier at your institution.

  • Page 10: Adjusting The Fiber Amplifier Gain

    Erbium-Doped Fiber Amplifiers Chapter 5: Operation LASER WARNING The amplifier generates invisible amplified spontaneous emission (ASE) even without any optical input. The power level of the ASE can be as high as 200 mW. Therefore, all laser safety measures should be followed even if the input light to the amplifier has been disconnected or switched off. Additionally, it should be noted that connecting a laser to the output port of the amplifier by mistake can cause damage to the laser due to the ASE light getting coupled into the laser source.

  • Page 11: Remote Operation From Command-Line Interface

    Erbium-Doped Fiber Amplifiers Chapter 6: Remote Operation from Command-Line Interface Remote Operation from Command-Line Interface The Command Line Interface (CLI) provides the user with a method of controlling the EDFA remotely over the USB interface that is emulating a serial port. A standard terminal program (such as Tera Term) can be used to send commands to the EDFA and receive responses.

  • Page 12: Making Safety Interlock Connections

    If the switch returns to a closed condition, the amplifier will not re-enable until the ENABLE switch is pressed. All units shipped from Thorlabs are configured with a shorting BNC device installed in the interlock connector. If you are not going to use this feature then you can leave the shorting device installed and the unit will operate normally, as described throughout this manual.

  • Page 13: Troubleshooting

    ON/OFF on the front panel. 2. Fuse(s) may be open. Refer to Section 4.2 for information on replacing open fuses. If the problem persists, please return the unit to Thorlabs for evaluation. 1. Check to make sure the interlock connector is installed on the rear panel.

  • Page 14: General Maintenance

    Always clean the ferrule end of your fiber patch cables as well as the input and output FC bulkheads prior to inserting the fiber patch cables into the FC bulkheads. Thorlabs offers the FCC-7020 Fiber Cleaning Cloth Spool, which can be used for cleaning the ferrule ends of the patch cables.

  • Page 15: Specifications

    Specified at 1550 nm. Please refer to published data on the Thorlabs website for typical curves showing the variation of each parameter with wavelength. c. Please refer to published data on the Thorlabs website for the scaling of the output power vs. the input power.
  • Page 16 Erbium-Doped Fiber Amplifiers Chapter 10: Specifications General Specifications Input Voltage 100 - 240 VAC, 50 - 60 Hz Input Power 20 W (Max) Fuse Rating 2 A, 250 V Fuse Type Time-Lag (Slow-Blow) Fuse Size 5 mm x 20 mm 250.0 mm x 300.0 mm x 122.2 mm Dimensions (W x D x H) (9.84"...

  • Page 17: Mechanical Drawings

    Erbium-Doped Fiber Amplifiers Chapter 11: Mechanical Drawings Mechanical Drawings Figure 3 EDFA300S Mechanical Drawing Rev A, October 27, 2021 Page 15...
  • Page 18 Erbium-Doped Fiber Amplifiers Chapter 11: Mechanical Drawings Figure 4 EDFA300P Mechanical Drawing Page 16 TTN256521-D02...

  • Page 19: Regulatory

    12.1. Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.

  • Page 20: Declaration Of Conformity

    Erbium-Doped Fiber Amplifiers Chapter 13: Declaration of Conformity Declaration of Conformity Page 18 TTN256521-D02...

  • Page 21: Thorlabs Worldwide Contacts

    Erbium-Doped Fiber Amplifiers Chapter 14: Thorlabs Worldwide Contacts Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to-date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. Thorlabs Ltd.
  • Page 22 www.thorlabs.com...

This manual is also suitable for:

Edfa300p

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