THORLABS YDFA300P User Manual
THORLABS YDFA300P User Manual

THORLABS YDFA300P User Manual

1050 nm ytterbium-doped fiber amplifier

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YDFA300P
1050 nm Ytterbium-Doped Fiber Amplifier
User Guide

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Summary of Contents for THORLABS YDFA300P

  • Page 1 YDFA300P 1050 nm Ytterbium-Doped Fiber Amplifier User Guide...
  • Page 3: Table Of Contents

    Chapter 7 Maintenance and Cleaning ..................14 7.1 Changing the Fuse ........................ 15 7.2 Cleaning ..........................15 7.3 Connector Cleaning ......................15 Chapter 8 Troubleshooting and Repair ..................16 Chapter 9 Disposal ........................16 Chapter 10 Thorlabs Worldwide Contacts ................... 18...
  • Page 4: Chapter 1 Introduction

    The YDFA300P gain can be controlled in automatic current control (ACC) mode via the front panel interface. The pump current of the amplifier is adjustable through the instrument's front panel, allowing the user to vary the gain and output power.
  • Page 5: Technical Data

    Please refer to Section 1.4.2 of the manual or to the published raw data on the Thorlabs website for the scaling of the output power vs. the input power.
  • Page 6: Graphs

    3.4 kg (7.5 lbs) 1.4.2 Graphs Typical YDFA300P Output vs. Input Power 27.0 1050 nm 26.5 26.0 25.5 25.0 24.5 24.0 Input Power (dBm) Figure 1 Typical YDFA300P Amplifier Output vs. Input Power Rev. B, January 21, 2025 Page 3...
  • Page 7 1070 Wavelength (nm) Figure 3 The typical YDFA300P amplifier gain as a function of the wavelength over the full operating wavelength range (1030 - 1070 nm). The blue-shaded region (1040 - 1060 nm) denotes the wavelength range over which the amplifier performance is optimized;...
  • Page 8 -3 dBm Input -5 dBm Input Figure 4 The typical YDFA300P amplifier noise as a function of the wavelength (1030 - 1070 nm). The blue-shaded region (1040 - 1060 nm) denotes the wavelength range over which the amplifier performance is optimized; please see Section 1.3 for details.
  • Page 9: Mechanical Drawings

    1050 nm Ytterbium-Doped Fiber Amplifier Chapter 1: Introduction 1.4.3 Mechanical Drawings Figure 5 Mechanical Drawing Page 6 DOC-100859...
  • Page 10: Front And Back Panel Overview

    1050 nm Ytterbium-Doped Fiber Amplifier Chapter 1: Introduction Front and Back Panel Overview Front Panel Callout Description Display: Indicates pump current level (0-100%), temperature status, and emission status. Power Key Switch Pump Current Adjustment Knob: Push to Adjust. Enable Switch and Emission Indicator Amplifier Input Port: PM-Slow Axis Aligned to Connector Key, FC/APC Bulkhead Amplifier Output Port: PM-Slow Axis Aligned to Connector Key,...
  • Page 11: Simplified Declaration Of Conformity

    AC Power On/Off Switch Fuse Tray: See Section 7.1 for replacement details. Figure 6 Front and Rear Panels of the Fiber Amplifier (YDFA300P) Simplified Declaration of Conformity The full text of the EU declaration of conformity is available at the following internet address: https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=11385...
  • Page 12: Chapter 2 Safety

    1050 nm Ytterbium-Doped Fiber Amplifier Chapter 2: Safety Chapter 2 Safety Risk of Electrical Shock 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 13: Chapter 3 Installation

    Test Data Sheet Installation Instructions Prior to using the YDFA300P system, 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 YDFA300 as well as the connectors on fiber patch cables connected to the amplifier.
  • Page 14: Making Fiber Connections To The Amplifier

    FC bulkhead connector and the patch cable connector beforehand. Please note that the YDFA300P amplifier requires a minimum input power of -5 dBm (0.3 mW) for stable operation. The amplifier is equipped with internal shutoff mechanism that turns off the output if the input power drops below this level.
  • Page 15: Adjusting The Fiber Amplifier Gain

    1050 nm Ytterbium-Doped Fiber Amplifier Chapter 4: 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.
  • Page 16: Chapter 5 Remote Operation From Command-Line Interface

    1050 nm Ytterbium-Doped Fiber Amplifier Chapter 5: Remote Operation from Command-Line Interface Chapter 5 Remote Operation from Command-Line Interface The Command Line Interface (CLI) provides the user with a method of controlling the YDFA 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 YDFA and receive responses.
  • Page 17: Chapter 6 Making Safety Interlock Connections

    Making Safety Interlock Connections The YDFA300P instrument is equipped with a remote interlock connector located on the rear panel. In order to enable the fiber amplifier, a short circuit must be applied across the terminals of the Remote Interlock connector.
  • Page 18: Changing The Fuse

    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 19: Chapter 8 Troubleshooting And Repair

    (see right), were sold to and are currently owned by a company or institute within the EC and are not dissembled or contaminated. Contact Thorlabs for more information. Waste treatment is your own responsibility. “End of life” units must be returned to Thorlabs or handed to a company specializing in waste Page 16...
  • Page 20 1050 nm Ytterbium-Doped Fiber Amplifier Chapter 9: Disposal recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site. It is the user’s responsibility to delete all private data stored on the device prior to disposal. Rev.
  • Page 21: Chapter 10 Thorlabs Worldwide Contacts

    1050 nm Ytterbium-Doped Fiber Amplifier Chapter 10: Thorlabs Worldwide Contacts Chapter 10 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. Corporate Headquarters Product Manufacturer Thorlabs, Inc. Thorlabs, Inc.
  • Page 22 www.thorlabs.com...

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