THORLABS S1FC635 Manuel utilisateur

S1FC405, S1FC635, S1FC637,

S1FC660, S1FC675, S1FC780,

S1FC785, S1FC808, S1FC980,

S1FC1060, S1FC1310, S1FC1550

Fiber-Coupled Laser Source

User Guide

Fiber-Coupled Laser Source

2298-D11, Rev S March 23, 2017

Table of Contents

Chapter 1Warning Symbol Definitions..............................................................................................1

Chapter 2Safety....................................................................................................................................2

Chapter 3Description...........................................................................................................................3

Chapter 4Setup.....................................................................................................................................4

4.1.Setting the AC Line Voltage and Installing Fuses........................................................4

4.2.Initial Set-up.....................................................................................................................4

Chapter 5Operation..............................................................................................................................6

5.1.Front and Back Panel Overview.....................................................................................6

5.2.Turning On the Source ...................................................................................................7

5.3.Adjusting the Laser Output Power ................................................................................7

5.4.Turning the Laser Off......................................................................................................7

5.5.Modulating the Laser Output .........................................................................................7

Chapter 6Making the Safety Interlock Connections........................................................................8

Chapter 7General Maintenance..........................................................................................................9

7.1.Cleaning ...........................................................................................................................9

7.2.Connector Cleaning ........................................................................................................9

Chapter 8Specifications.....................................................................................................................10

Chapter 9Mechanical Drawing...........................................................................................................12

Chapter 10Regulatory...........................................................................................................................13

Chapter 11Thorlabs Worldwide Contacts..........................................................................................14

Fiber-Coupled Laser Source Chapter 1: Warning Symbol Definitions

Rev T, June 7, 2018 Page 1

Chapter 1 Warning Symbol Definitions

Below is a list of warning symbols you may encounter in this manual or on your device.

Symbol Description

Direct Current

Alternating Current

Both Direct and Alternating Current

Earth Ground Terminal

Protective Conductor Terminal

Frame or Chassis Terminal

Equipotentiality

On (Supply)

Off (Supply)

In Position of a Bi-Stable Push Control

Out Position of a Bi-Stable Push Control

Caution: Risk of Electric Shock

Caution: Hot Surface

Caution: Risk of Danger

Warning: Laser Radiation

Caution: Spinning Blades May Cause Harm

Fiber-Coupled Laser Source Chapter 2: Safety

Page 2 2298-D11

Chapter 2 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 unit, make sure that the protective

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

the socket outlet. Improper grounding can cause electric shock resulting in severe injury or even

death. Do not operate without cover installed.

WARNING

This unit must not be operated in explosive environments

Thorlabs provides the proper power input cable for use in the United States. If using this unit anywhere else, the

user will need to supply a properly grounded power cable to power the unit.

Do not obstruct the air-ventilation slots in the housing!

Make sure that the line voltage rating marked on the rear panel agrees with your local supply and that the

appropriate fuses are installed. Changing of the mains fuse can be done by the user (see Setting the AC Line

Voltage and Installing Fuses).

With the exception of the mains fuses, there are no user serviceable parts in this product.

This device can only be returned when packed into the complete original packaging, including all foam packing

inserts. If necessary, ask for a replacement package.

Mobile telephones, cellular phones or other radio transmitters should not to be used within the range of three

meters of this unit since the electromagnetic field intensity may exceed the maximum allowed disturbance values

according to EN50082-1.

Class 1 Laser Product

1550 nm <5 mW

Class 1 Laser Product

1310 nm <5 mW

LASER RADIATION

AVOID EXPOSURE TO THE BEAM

CLASS 3B LASER PRODUCT

405 - 1064 nm <50 mW

LASER RADIATION

AVOID DIRECT EYE EXPOSURE

CLASS 3R LASER PRODUCT

600 - 700 nm <5 mW

Fiber-Coupled Laser Source Chapter 3: Description

Rev T, June 7, 2018 Page 3

Chapter 3 Description

The Thorlabs Fiber Coupled Laser Sources provide easy coupling and simple control of laser diode driven fiber

optics. These laser sources are available in two versions, Fabry-Perot and Distributed Feed Back (DFB). The

Fabry-Perot version comes in five available wavelength choices from 405 nm to 1550 nm with standard single

mode fiber or polarization maintaining fiber output. The DFB version comes equipped with a thermo-electric

cooler to stabilize the output wavelength, and a 40 dB optical isolator to eliminate frequency jitter due to back-

reflections. The DFB is available in 1310 nm and 1550 nm wavelengths.

Fiber-Coupled Laser Source Chapter 4: Setup

Page 4 2298-D11

Chapter 4 Setup

4.1. Setting the AC Line Voltage and Installing Fuses

Your S1FC Series Laser Source has been shipped from Thorlabs configured for 115 VAC operation. If you are

planning to operate your unit using a 220/230 VAC input, or need to replace an open fuse, you must perform the

following procedure.

 Remove the AC power cord if it is connected to the unit.

 Remove the cover of the unit by removing the two 4-40 Philips head screws located on the bottom rear of

the unit and slide the cover off. Refer to Figure 1 on page 5.

 Locate the AC Line Select Switch and Fuse Holder. They are located near the AC Input Module towards

the back of the unit. Refer to Figure 1.

 Using a flat blade screwdriver turn the Line Select Switch to the appropriate setting to match the AC input

voltage you will be using.

 Remove the cover to the fuse holder. You will find the fuse installed in the cover. Remove the existing

fuse and install the appropriate fuse for the line voltage you will be using:

o For 115 VAC operation use 250 mA

o For 220/230 VAC operation use 160 mA

o In all cases use only 5 mm x 20 mm 250 VAC Type T Fuses (IEC 60127-2/III, low breaking

capacity, slow blow)

 Reinstall the cover and replace the two 4-40 Philips head screws.

 Remove the small cap head screw indicating the previous voltage configuration located on the rear panel,

above the AC input housing. Place the screw in the threaded hole indicating the new AC input

configuration, see Figure 2.

4.2. Initial Set-up

 Determine the AC line voltage the unit will be connected to (either 115 VAC or 230 VAC) and set the AC

Line Voltage Selector Switch to the appropriate position and install the proper fuse.

 Place the unit on a dry, level working surface.

 Make sure the POWER key switch on the front of the unit is in the OFF position (key perpendicular to

working surface).

 Plug the female end of the AC line cord provided into the AC Input Receptacle on the rear of the unit.

Plug the male end into a properly grounded AC socket.

 Connect a Fiber Optic cable to the LASER APERTURE on the front panel of the unit.

Fiber-Coupled Laser Source Chapter 4: Setup

Rev T, June 7, 2018 Page 5

Figure 1 Locations of Line Select Switch and Fuse Holder

Line Select Switch

Set to either 110 or 220 V

Fuse Holde

Fuse is installed in the cover

Fiber-Coupled Laser Source Chapter 4: Setup

Page 6 2298-D11

Chapter 5 Operation

5.1. Front and Back Panel Overview

Figure 2 Front and Rear Panels of Laser Source

3½ Digit Display

Laser Aperture

FC/PC fiber optic connector

Laser Output

Cover

Cover should be

installed on FC

connector when

fiber removed

Laser Enable Switch

Press to activate laser

Laser Emission Indicato

Lights up 5 seconds before laser turns on

Keylock Power

Switch

Turn on power to

the unit. Key only

removes when off

Power Adjust Knob

Remote Interlock Input

AC Power Cord Connector

Cover Screws (2)

Remove to access

line voltage switch

and fuse

Modulation Input

0 to 5 V Max, 50 Ω

Voltage Type Cap Screw Indicator

Fiber-Coupled Laser Source Chapter 4: Setup

Rev T, June 7, 2018 Page 7

5.2. Turning On the Source

 Turn the POWER key switch clockwise. The unit is ON when the display lights up.

 Make sure the Interlock Input is short-circuited, see page 8 for more details..

 Press and release the ENABLE switch to turn ON the laser. The LASER ON indicator will light up and

after a delay of approximately 5 seconds, the source will begin to emit light.

5.3. Adjusting the Laser Output Power

 Use the PWR ADJUST knob to adjust the output power to the desired level.

 The power shown on the display is the optical power at the laser aperture. The actual power at the end of

your fiber optic cable may be less, depending on the quality of the connection.

Note, each unit is calibrated internally to limit the maximum operating power of the laser diode to a safe operating

range.

5.4. Turning the Laser Off

 The Laser output should be turned off by pressing and releasing the ENABLE switch.

 When completely powering down an enabled unit, first press and release the ENABLE switch and then

turn the POWER key switch counterclockwise, which will turn OFF the entire unit. Anytime the unit is

turned OFF and then turned back ON, the Laser will be disabled until the ENABLE switch is pressed.

5.5. Modulating the Laser Output

The MOD IN input can be used to modulate the laser output, or set the laser output remotely using a +5 V power

source. The 5 V maximum input corresponds to the maximum calibrated power of the laser source. Each unit is

calibrated to achieve the maximum power for the particular laser diode used in the device. Due to variations in the

coupling process no two units will have the same maximum power.

 Connect a signal generator or +5 V power source to the unit using a BNC type connector.

 Set the PWR ADJUST knob to its full counter clockwise setting.

 Press the ENABLE switch to turn on the laser.

 Apply the appropriate signal to the MOD IN input. Signals above approximately 5.5 V will be clamped by

internal circuits.

 Adjusting the PWR ADJUST knob will allow for a DC offset on the modulated output. Adjust the input

signal accordingly to avoid clipping the output waveform, which will occur if the unit is driven to its current

or power limits.

Caution!

DO NOT apply TTL or square wave modulation to the MOD IN input.

Due to response delays of the constant power control loop, damage to the integrated fiber

coupled laser may occur!

Ce manuel convient aux modèles suivants

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