THORLABS S1FC635 Manual de usuario
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 1Warning Symbol Definitions..............................................................................................1
Chapter 2Safety....................................................................................................................................2
Chapter 3Description...........................................................................................................................3
Chapter 4Setup.....................................................................................................................................4
4.1.Setting the AC Line Voltage and Installing Fuses........................................................4
4.2.Initial Set-up.....................................................................................................................4
Chapter 5Operation..............................................................................................................................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 6Making the Safety Interlock Connections........................................................................8
Chapter 7General Maintenance..........................................................................................................9
7.1.Cleaning ...........................................................................................................................9
7.2.Connector Cleaning ........................................................................................................9
Chapter 8Specifications.....................................................................................................................10
Chapter 9Mechanical Drawing...........................................................................................................12
Chapter 10Regulatory...........................................................................................................................13
Chapter 11Thorlabs 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
r
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
r
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!
Este manual sirve para los siguientes modelos
11
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