EXFO XTM-50 User Manual
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EXFO XTM-50 User Manual

EXFO XTM-50 User Manual

Optical tunable filter
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User Guide
XTM-50
Optical Tunable Filter
www.EXFO.com

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Summary of Contents for EXFO XTM-50

  • Page 1 User Guide XTM-50 Optical Tunable Filter www.EXFO.com...

  • Page 2: Copyright Information

    Information provided by EXFO is believed to be accurate and reliable. However, no responsibility is assumed by EXFO for its use nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent rights of EXFO.

  • Page 3: Table Of Contents

    2 Safety Information ........................7 3 Getting Started with Your XTM-50 ..................9 Unpacking and Installing the XTM-50 ........................9 Connecting an Optical Source to the XTM-50 ....................10 4 Setting the Wavelength/Frequency and FWHM Values .............11 Adjusting the Central Wavelength ........................11 Adjusting the FWHM ............................14 Reaching a Position on the Bandwidth or Wavelength Tuning Actuator ............16...

  • Page 5: Introducing The Xtm-50

    The XTM-50 is based on the use of a reflection diffraction grating mounted in a Littman-Metcalf configuration. When an optical signal is detected at the XTM-50 input port, the input wave is directed towards the output port after passing through the XTM-50 monochromator.
  • Page 6 Introducing the XTM-50 Technical Specifications Standard Ultrafine O-band Wide Interfaces Optical fiber type SMF or PMF Connector type FC/PC or FC/APC Operating conditions Maximum optical input 30 dBm 27 dBm power Temperature range 15° to 35°C, indoor use only Storage temperature -20°C to 60°C...

  • Page 7: Xtm-50 Overview

    Optical drawer connectors Handle The handle bar enables you to carry the XTM-50. Micrometer Actuators Two high resolution micrometer actuators enable you to perform wavelength and bandwidth tuning. The screw located on top of the actuators enable you to lock the actuator at the wanted setting.
  • Page 8 (see Cleaning Optical Connectors on page 18). Retractable Leg The retractable leg enable you to tilt the XTM-50 upward for convenient purpose, so that it stands on both front legs and the rear feet (see Unpacking and Installing the XTM-50 on page 9).

  • Page 9: Conventions

    Introducing the XTM-50 Conventions Conventions Before using the product described in this guide, you should understand the following conventions: ARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Do not proceed unless you understand and meet the required conditions.

  • Page 11: Safety Information

    If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. ARNING Use only accessories designed for your unit and approved by EXFO. For a complete list of accessories available for your unit, refer to its technical specifications or contact EXFO.

  • Page 13: Getting Started With Your Xtm-50

    This section explains how to properly install and connect your XTM-50. Unpacking and Installing the XTM-50 The XTM-50 is a bench-top instrument designed for indoor use only, and is not dedicated to wet locations. It is designed for use either in the horizontal or tilted position.

  • Page 14: Connecting An Optical Source To The Xtm-50

    Connecting an Optical Source to the XTM-50 AUTION Make sure you use the appropriate connector type, corresponding to the one mounted on your XTM-50 (see Technical Specifications on page 1 for available models). Make sure optical connectors are perfectly clean. It is essential to achieve optimum system performance (see Cleaning Optical Connectors on page 18).

  • Page 15: Setting The Wavelength/Frequency And Fwhm Values

    One complete revolution of the thimble reaches one graduated marking on the sleeve. On the sleeve: 13 mm stroke with 0.5 mm graduation interval. 1 scale graduation corresponds to: XTM-50 Standard: 11 nm (typ.) XTM-50 Ultrafine: 6.5 nm (typ.) XTM-50 O-band: 12 nm (typ.) XTM-50 Wide: 11 nm (typ.)
  • Page 16 On the sleeve: 200 μm stroke with 25 μm graduation interval. 1 scale graduation corresponds to: XTM-50 Standard: 550 pm (typ.) XTM-50 Ultrafine: 325 pm (typ.) XTM-50 O-band: 600 pm (typ.) XTM-50 Wide: 550 pm (typ.)
  • Page 17 To decrease the central wavelength from higher wavelength to lower wavelengths, turn the thimble counterclockwise (from low to high values). 3. Tighten the lock screw (see XTM-50 Overview on page 3) to lock the central wavelength setting. 4. If you had previously adjusted the FWHM, re-adjust it as it may have been slightly altered by the central wavelength change.

  • Page 18: Adjusting The Fwhm

    XTM-50 Ultrafine: 0.14 pm (typ.) XTM-50 O-band: 0.19 pm (typ.) XTM-50 Wide: not linear, see the following figure Actuator Graduation (sleeve scale, typical values) - Model: XTM-50 Wide only MPORTANT Modifying the central wavelength can slightly alter the FWHM. So you may need to re-adjust the FWHM after central wavelength change.
  • Page 19 To avoid damaging your XTM-50, do not turn the bandwidth actuator beyond the 0 graduation marked on the sleeve. 2. Tighten the lock screw (see XTM-50 Overview on page 3) to lock the FWHM setting. 3. If you had previously adjusted the central wavelength, re-adjust it as it may have been slightly altered by the FWHM change.

  • Page 20: Reaching A Position On The Bandwidth Or Wavelength Tuning Actuator

    Tuning Actuator The Acceptance Test Report delivered with your instrument indicates the actuator position (in mm) of the central wavelength and FWHM on your XTM-50. This section explains how to adjust the actuators to reach the wanted position. Reaching a Position on the Bandwidth Tuning Actuator The bandwidth actuator is composed of two graduated scales: On the sleeve: 13 mm stroke with 0.5 mm graduation interval.

  • Page 21: Maintenance

    Maintenance User maintenance of the XTM-50 system is limited to basic maintenance tasks that do not require removing the instrument case-cover or accessing any internal component of the instrument. ARNING Never remove the protective cover of the chassis to perform servicing or maintenance operations to the XTM-50 internal parts and optical components.

  • Page 22: Cleaning Optical Connectors

    Use only high quality cleaning supplies that are non-abrasive and leave no residue 2. Turn off all the laser sources connected to the XTM-50 and make sure that no optical power is coming in or out the connector you want to clean.
  • Page 23 Maintenance Cleaning Optical Connectors 5. Gently pull the drawer out of the front panel (no more than 70 mm) so that fiber ends are made visible, as illustrated in the following figure. 6. At the rear of the drawer plate, remove one connector end from the plate: 7.

  • Page 24: Cleaning The Cover Of The Xtm-50

    Maintenance Cleaning the Cover of the XTM-50 Cleaning the Cover of the XTM-50 If the external cover of the XTM-50 becomes dirty or dusty, clean it by following the instructions below. AUTION Do not use chemically active or abrasive materials to clean the XTM-50.

  • Page 25: Troubleshooting

    Contacting the Technical Support Group To obtain after-sales service or technical support for this product, contact EXFO at one of the following numbers. The Technical Support Group is available to take your calls from Monday to Friday, 8:00 a.m. to 7:00 p.m. (Eastern Time in North America).

  • Page 27: Warranty

    General Information EXFO Inc. (EXFO) warrants this equipment against defects in material and workmanship for a period of 1 year from the date of original shipment. EXFO also warrants that this equipment will meet applicable specifications under normal use. During the warranty period, EXFO will, at its discretion, repair, replace, or issue credit for any defective product, as well as verify and adjust the product free of charge should the equipment need to be repaired or if the original calibration is erroneous.

  • Page 28: Liability

    Liability Liability EXFO shall not be liable for damages resulting from the use of the product, nor shall be responsible for any failure in the performance of other items to which the product is connected or the operation of any system of which the product may be a part.

  • Page 29: Service And Repairs

    5. Return the equipment, prepaid, to the address given to you by support personnel. Be sure to write the RMA number on the shipping slip. EXFO will refuse and return any package that does not bear an RMA number.

  • Page 30: Exfo Service Centers Worldwide

    Fax: +86 (755) 2955 3101 Xintian Avenue, support.asia@exfo.com Fuhai, Bao’An District, Shenzhen, China, 518103 To view EXFO's network of partner-operated Certified Service Centers nearest you, please consult EXFO's corporate website for the complete list of service partners: http://www.exfo.com/support/services/instrument-services/ exfo-service-centers. XTM-50...

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