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IO-J-1550
Fiber Isolator
User Guide

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Summary of Contents for THORLABS IO-J-1550

  • Page 1 IO-J-1550 Fiber Isolator User Guide...
  • Page 2: Table Of Contents

    Chapter 5 Warranty ................5 Chapter 6 Specifications ..............6 Chapter 7 Drawing ................7 Chapter 8 Regulatory ................. 8 8.1. Waste Treatment is Your Own Responsibility ....8 8.2. Ecological Background ..........8 Chapter 9 Thorlabs Worldwide Contacts......... 9...
  • Page 3: Chapter 1 Safety

    1550 nm Fiber Isolator Chapter 1: Safety Chapter 1 Safety WARNING This isolator contains a powerful permanent magnet. Keep all steel objects and anything affected by a magnetic field at a minimum distance of 1" (25 mm) from the isolator. WARNING Do NOT attempt to disassemble this isolator.
  • Page 4: Chapter 2 Setup

    1550 nm Fiber Isolator Chapter 2: Setup Chapter 2 Setup 2.1. Unpacking Note: Thorlabs aligns the isolator with polarized light. This unit is fusion spliced with the laser source fiber and individually tested. See the included test report for details. 2.2. Installation Procedure Carefully remove the unit from the box by removing the pins holding the input and output fibers.
  • Page 5: Chapter 3 Description

    Maximum Power Level (F/J –5W CW max; K/L - 10W CW max)  Center Wavelength (nm) Example: The IO-J-1550 isolator is a polarization dependent fiber isolator with a max power level of 5 W (CW) and a center wavelength of 1550 nm. Rev B, Sept. 14, 2018...
  • Page 6: Polarization Dependent Optical Path Schematic

    1550 nm Fiber Isolator Chapter 3: Description 3.1. Polarization Dependent Optical Path Schematic Page 4 17209-D02...
  • Page 7: Chapter 4 Operation

    The laser is now isolated from downstream reflections. Chapter 5 Warranty All Thorlabs fiber isolators are covered by Thorlabs’ six-month warranty against defects in materials and workmanship. WARNING Do not attempt to disassemble the isolator.
  • Page 8: Chapter 6 Specifications

    1550 nm Fiber Isolator Chapter 6: Specifications Chapter 6 Specifications Item # IO-J-1550 Polarization Dependent Fiber Type Polarization Maintaining (PM), PM 1500 Center Wavelength 1550 nm Operating Range 1540 - 1560 nm Weight 1.01 kg Optical Specifications 35 dB (Min) Isolation @ 1550 nm 38 dB (Typ.)
  • Page 9: Chapter 7 Drawing

    1550 nm Fiber Isolator Chapter 7: Drawing Chapter 7 Drawing Rev B, Sept. 14, 2018 Page 7...
  • Page 10: Chapter 8 Regulatory

    8.1. 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 11: Chapter 9 Thorlabs Worldwide Contacts

    1550 nm Fiber Isolator Chapter 9: Thorlabs Worldwide Contacts Chapter 9 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.
  • Page 12 www.thorlabs.com...

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