THORLABS ERM100 Manual de usuario

Extinction Ratio Meter

ERM100

Operation Manual

2018

Version:

Date:

Item No.:

1.2

10-Jul-2018

M0009-510-309

Foreword

Contents

1General Information 4

41.1 Safety

51.2 Ordering Codes and Accessories

51.3 Requirements

51.3.1 Hardware Requirements

51.3.2 Software Requirements

2 Installation 6

62.1 Parts List

62.2 Getting Started

3Operating Instruction 7

73.1 Operating Elements

83.2 Operation and Settings

83.2.1 Main Displays

93.2.2 Menu

93.2.2.1 Averaging

93.2.2.2 Remote State

103.2.2.3 Serial Number

103.2.2.4 Firmware Version

113.2.2.5 Bootloader Version

113.2.3 Remote Mode

113.2.4 Error Messages

123.3 Measurement Procedure

123.4 Measurement Principle

123.5 Coupling of linear polarized light into a main axis of a PM fiber

133.6 Alignment of a Laser Diode to a PM Fiber

143.7 Alignment of a PMF Patchcord

143.8 Aligning the connectors key to a main axis of a PM fiber

153.9 Measurement consideration

4Remote Operation 16

164.1 Installing Software

174.1.1 Install NI Visa 4.2

204.1.2 Install Remote Control Application

224.1.3 Install Instrument Communicator

234.1.4 Install Firmware Upgrade Wizard

264.1.5 Install NI Instrument Drivers

274.2 Connect the ERM100

304.3 Remote Control Application

324.4 Write Your Own Application

5Maintenance and Service 33

335.1 Firmware Upgrade

375.2 Version Information

375.3 Troubleshooting

385.4 Replacing Mains Fuses

6 Appendix 40

406.1 Technical Data

416.2 Instrument Driver Command Reference

416.2.1 Common IEEE488.2 Commands

446.2.2 Measurement Commands

456.2.3 Device Setup Commands

466.2.4 Device Status Commands

476.2.5 General System Commands

486.3 Status Reporting

486.3.1 Status Structure

496.3.2 Register Description

526.4 Certifications and Compliances

536.5 Warranty

546.6 Copyright and Exclusion of Reliability

556.7 Thorlabs 'End of Life' Policy (WEEE)

566.8 List of Acronyms

576.9 Thorlabs Worldwide Contacts

We aim to develop and produce the best solution for your application

in the field of optical measurement technique. To help us to live up to

your expectations and constantly improve our products we need

your ideas and suggestions. Therefore, please let us know about

possible criticism or ideas. We and our international partners are

looking forward to hearing from you.

Thorlabs GmbH

Warning

Sections marked by this symbol explain dangers that might result in

personal injury or death. Always read the associated information

carefully, before performing the indicated procedure.

Please read this advice carefully!

This manual also contains "NOTES" and "HINTS" written in this form.

Attention

Paragraphs preceded by this symbol explain hazards that could

damage the instrument and the connected equipment or may cause

loss of data.

Note

ERM100

1General Information

The ERM100 Benchtop Extinction Ratio Meter is designed to analyze the ER of laser light in a

polarization maintaining fiber for any kind of alignment applications like connectorization of PM

fibers or pigtailing of laser diodes with PM fibers.

The easy to use interface combined with a fast USB device interface open a wide range of ap-

plications in Manufacturing, Quality Control, Quality Assurance, and R&D.

Drivers for LabVIEW and C are available and makes it easy to integrate the instrument in test

and measurement systems

1.1 Safety

Attention

All statements regarding safety of operation and technical data in this instruction manual will

only apply when the unit is operated correctly as it was designed for.

The ER meter ERM100 must not be operated in explosion endangered environments!

Before applying power to your ERM100 system, make sure that the protective conductor of the

3 conductor mains power cord is correctly connected to the protective earth contact of the

socket outlet!

Improper grounding can cause electric shock with damages to your health or even death!

All modules must only be operated with proper shielded connection cables.

Only with written consent from Thorlabs may changes to single components be carried out or

components not supplied by Thorlabs be used.

Do not obstruct the air ventilation slots in housing!

Do not remove covers!

Refer servicing to qualified personal!

This precision device is only serviceable if properly packed into the complete original packaging

including the plastic foam sleeves. If necessary, ask for a replacement package.

Attention

Mobile telephones, cellular phones or other radio transmitters are not to be used within the

range of three meters of this unit since the electromagnetic field intensity may then exceed the

maximum allowed disturbance values according to IEC 61326-1.

This product has been tested and found to comply with the limits according to IEC 61326-1 for

using connection cables shorter than 3 meters (9.8 feet).

Vous pouvez trouver les traductions françaises des paragraphes ayant trait à la sécurité

d'utilisation de ce produit sur le lien suivant:

http://www.thorlabs.com/thorcat/17500/ERM100-CSADocument(Français).pdf

Vous pouvez aussi simplement scanner le code QR

1 General Information

1.2 Ordering Codes and Accessories

Ordering code

Short description

ERM100

ERM100 Benchtop Extinction Ratio Meter

Please visit our homepage http://www.thorlabs.com for further information.

1.3 Requirements

1.3.1 Hardware Requirements

CPU: 1 GHz or higher

RAM: 256 MB

Graphic card with at least 32 MB memory

Hard disc with at least 100 MB free storage space

Free USB2.0 port

USB cable according the USB 2.0 specification

1.3.2 Software Requirements

The ERM100 software (CD1.1) is compatible with Windows ® XP (32-bit) SP3 operating sys-

tem. A NI-VISA engine V4.2 or higher must be installed. This NI-VISA engines comes with the

Thorlabs ERM100 installation CD.

In order to operate the ERM100 under

Windows ® Vista (32-bit, 64-bit

Windows ® 7 (32-bit, 64-bit)

a NI-VISA version 5.0.3 or higher is required. It can be downloaded also from National Instru-

ments' website www.ni.com.

ERM100

2 Installation

2.1 Parts List

Inspect the shipping container for damage.

If the shipping container seems to be damaged, keep it until you have inspected the contents

and you have inspected the ERM100 mechanically and electrically.

Verify that you have received the following items within the package:

1. 1 ERM100

2. 1 power cord, connector according to ordering country

3. 2 Replacement mains fuses

4. 1 operation manual

5. 1 CD Rom

6. 1 USB Cable

2.2 Getting Started

Connect the ERM100 to the power outlet.

Turn the unit on by pressing the power switch at the front.

After switching on the unit, the display will show the device version and then jump to the opera-

tion screen.

The ERM100 is immediately ready to use after turning on. The rated accuracy is reached, how-

ever, after a warming-up time of approx. 15 minutes.

The chassis ground can be connected to ground potential via the banana connector jack to the

external optical build-up, if required.

3 Operating Instruction

3Operating Instruction

3.1 Operating Elements

Front Panel

Rear Panel

ERM100

3.2 Operation and Settings

The ERM100 is controlled by five buttons on the front. A LC display on the front panel shows all

measurement data in various display configurations. All necessary settings can be easily done

using the control buttons and will be shown on the display.

There are two display modes. In 'Main Display Mode' the actual measurement data is dis-

played. In 'Menu Mode' addition measurement parameters can be modified and system inform-

ation will be shown. The button 'MENU' is used to toggle between this two modes.

3.2.1 Main Displays

There are three different measurement screens. The 'SET' button is used to toggle between

these displays:

The ER display presents the current ER measurement value in dB as well as the current mis-

alignment angle in degree:

The ERmin display shows the minimum ER in dB since the last ERmin-Monitor reset and the

corresponding misalignment angle in degree:

Pressing the button 'CLR' (Clear) while in 'Main Display Mode' resets the minimum ER mon-

itor and the minimum ER value measured from that moment is displayed in the ERmin display.

The last screen is the power display. It shows the power in dBm and the wavelength in nm:

Setting the Wavelength

Setting the wavelength is necessary to determine the correct power. This set value will impact

only the power value but no other measurement values.

Press the 'SET' button until the power and wavelength menu is displayed.

Press 'UP' and 'DOWN' buttons once: The "Set Wavelength" display comes up for about 2

seconds.

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