THORLABS S2011 Manuel utilisateur

011

justab

er Gui

le Foc

s Las

r Diode Kit

S2011

Page 1 Rev D, August, 29, 2011

Table of Contents

Chapter 1Warning Symbol Definitions ........................................... 2

Chapter 2Safety ................................................................................. 3

Chapter 3System Description .......................................................... 4

Chapter 4Setup and Operation ........................................................ 5

4.1.Setup.............................................................................5

4.2.CWOperation................................................................5

4.3.OperatingandHandlingPrecautions.............................5

Chapter 5Maintenance and Troubleshooting ................................. 6

5.1.MaintenanceoftheLDS1PowerSupply.........................6

5.1.1.Setting the LDS1 AC Line Voltage .............................................. 6

5.1.2.Fuse Replacement ...................................................................... 6

5.2.Troubleshooting............................................................6

Chapter 6Specifications ................................................................... 7

Chapter 7Mechanical Drawing ......................................................... 8

Chapter 8Regulatory ......................................................................... 9

Chapter 9Thorlabs Worldwide Contacts....................................... 10

S2011 Chapter 1: Warning Symbol Definitions

Page 2

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

S2011

Page 3 Rev D, August, 29, 2011

Chapter 2 Safety

SHOCK WARNING

The LDS1 operates from AC voltages, which are potentially harmful and could

cause serious injury. Turn the LDS1 power switch OFF and unplug the AC line

BEFORE attempting to perform any.

WARNING: LASER RADIATION

This device is a Class 3R laser product. Appropriate precautions, which

include never looking directly into the laser modules output and wearing

appropriate eye protection, should be taken at all times.

The following precautions should be taken to avoid failure of the device:

• Workers and workbenches should be grounded to a common stable

earth at all times when working with laser diodes.

• All equipment, including power supplies, soldering irons, etc. must be

grounded to a common stable earth.

• Power supplies should be well regulated and free of transients.

• Drive circuit connections should be made either by soldering or by high

reliability connectors. Clip leads such as alligator clips are not

recommended. Mechanically unreliable contacts cause transients and

destroy the laser diode.

• Maximum soldering temperature is 250˜ C for a maximum of 5 seconds.

• Drive circuits should include a ‘slow start and stop’ feature to suppress

turn on/turn off transients.

• High quality and high reliability components should be used throughout

the drive circuits.

• It is recommended that the laser diodes be driven by an Automatic

Power Control (APC) circuit, using the built-in monitor photodiode in a

feedback loop to maintain constant optical power output over the full

operating temperature range and throughout the life of the device.

• Always store laser diodes in static-free containers and use a short-

circuit connector.

• Never connect or disconnect any components or external equipment

such as voltmeters, to or from the device circuit while the power is on.

• Avoid touching the glass window. If necessary, clean gently with a

cotton swab dampened with alcohol.

• Leads have to be soldered to their environment without mechanical

stress. Any force during and after mounting must be avoided.

• Mechanical clamping should take place along the cylinder without any

mechanical deformation of the housing (advised maximum force: 20 N).

• Do not look into the operating laser diode through a microscope!

S2011 Chapter 3: System Description

Page 4

Chapter 3 System Description

The S2011 laser Kit is a complete laser diode system, which includes a visible

laser module, DC power supply, and mounting hardware. The S2011 is designed

for experimenters and system designers and includes everything needed to start

experimenting with visible diode lasers. The laser module includes an internal

constant-power driver circuit to regulate the output power to better than 99.5%. A

fixed 2-element glass optic collimates the laser output beam. The module has

been ruggedized to MIL-STD 883C for exceptional ESD protection.

The laser is mounted in a Thorlabs KM100T mount, which provides convenient

mounting and alignment of the laser pointing. Since the KM100T is a kinematic

mount, beam stability is assured.

Included Mounting Hardware

• Mount: KM100T Ø1" Kinematic Mount

• Post: PH3-ST (-EC Version: PH3/M)

• Post Holder: TR3 (-EC Version: TR75/M)

• Base: BA2

• Laser Adapter: AD11F

S2011

Page 5 Rev D, August, 29, 2011

Chapter 4 Setup and Operation

4.1. Setup

1. Unpack Contents

2. Insert Laser Module into Optical Head Mount and tighten setscrew with

a 1/16" hex key or ball driver.

3. Verify line voltage setting on the LDS1 power Supply indicates the

correct operating AC voltage (120 VAC or 240 VAC). Refer to Section

A1 if the voltage selection needs to be changed.

4. Attach the AC line cord to the LDS1 power supply and plug into an AC

outlet.

5. Plug the laser module power cable into the DC cable of the LDS1.

4.2. CW Operation

The S2011 includes everything to operate the laser with a CW output. Follow the

instructions above and, when ready, turn the rocker switch on the LDS1 to the

ON position and the laser will begin operating. The constant power feedback

circuit in the laser module should stabilize the output power to within 0.1%.

4.3. Operating and Handling Precautions

Semiconductor laser diodes in general are easily damaged by overdriving and by

electrical transients. The laser diode is highly susceptible to damage because of

the extremely high optical flux density passing through both facets while in

operation. In case of overdriving or of transients the optical flux density can rise

to unacceptable values, causing catastrophic failure or gradual damage of the

laser diode facets. Current transients should therefore be carefully avoided since

they may destroy the laser or substantially decrease the laser diode lifetime.

Before connecting the laser diode to the supply circuit, make sure that there are

no transients that could make the laser diode output exceed the maximum rating

for radiant flux or forward current.

S2011 Chapter 5: Maintenance and Troubleshooting

Page 6

Chapter 5 Maintenance and Troubleshooting

5.1. Maintenance of the LDS1 Power Supply

5.1.1. Setting the LDS1 AC Line Voltage

The operating AC voltage is indicated by the value shown in the small gray

window located below the AC receptacle. The S2011 systems are shipped with

this set to 120 VAC, the S2011/M Metric versions are shipped with this set to

220 VAC. If this needs to be changed, follow the instructions below:

1. Make sure the LDS1 is turned off and remove the AC line cord.

2. Slide the voltage selector (located underneath the AC input receptacle)

to the appropriate line voltage (115V or 230V), using a small

screwdriver.

3. Verify the correct voltage is shown through the window, if not, repeat the

above steps.

5.1.2. Fuse Replacement

The LDS1 uses a 5 x 20 mm, 500 mA, 250 V, Slo-blo style fuse, which under

normal operation should not have to be replaced. If the fuse is suspected blown,

follow the steps below to replace them.

1. Remove the AC line cord from the LDS1.

2. Using a small screwdriver, pry the voltage selection module out of the

AC receptacle.

3. Remove the fuse and replace only with 5x20mm fuses rated at 500mA /

250V (Slo-blo).

4. Install the voltage selector module.

5. Do not use the S2011 if the unit continues to blow fuses. Contact your

local Technical Support Office for further assistance.

5.2. Troubleshooting

The S2011 is a robust system, which should provide many hours of reliable

service. There are no user-serviceable inside the system. If the unit stops

functioning normally, please call you local Thorlabs’ Technical Support Office and

a technician will be happy to assist you.

S2011

Page 7 Rev D, August, 29, 2011

Chapter 6 Specifications

Laser Module

CPS196 Performance Specifications

Housing Anodized Aluminum

Lens Glass

Laser Type N-Type

Class 3R

Operating Teperature -10 to 40 °C

Storage Temperature -40 to 85 °C

Parameter Sym Min Typ Max unit

Wavelength λ 635 640 nm

Optical Output Power Po 4.5 mW

Beam Divergence

(Including Natural Divergence)1

θ⊥

θ//

0.6

1.8

mrad

Focal range FR 50 ∞ mm

Beam Diameter, Focused

@400 mm (FWHM)

S⊥xS// 75 x 300 μm

Beam Diameter (FWHM)1 S⊥xS// 2.45 x 0.54 mm

Optical-Aaxis Deviation αom 7 15 mrad

Clear Aperture dca 4 mm

Operating Current lop 55 mA

Operating Voltage

(Referenced to Ground)

Vop -4.5 -5 -5.5 V

Power Supply

LDS1 Performance Specifications

Type Linear, DC Output

Input 110 – 120 VAC/220-240VAC, 50 – 60 Hz

Input Receptacle IEC 320 Style

Output 5VDC, 250mA

Output Connector 2.5mm mini phono plug

Power Switch Rocker Style, Green LED On indicator

Fuses (2) 20mm 500mA @ 250V

1When collimated.

S2011 Chapter 7: Mechanical Drawing

Page 8

Chapter 7 Mechanical Drawing

Clear Aperture

Ø4.4 mm

(Ø0.173")

Eliptical Output

Beam Shape

46.0 mm

(1.811")

Ø8.0 mm

(Ø0.315")

Pin Description Alternate Pin Phono Jack

1 -5 V Ground Red/Outer

2 NC NC None

3 Ground +5 V Black/Center

2.54 mm

(0.100")

Ø0.54 mm

(Ø0.021")

Ø10.9 mm

(Ø0.429")

3.0 mm

(0.118")

1.92"

(48.6 mm)

1.97"

(49.9 mm)

1.00"

(25.4 mm)

1.92"

(48.6 mm)

1.97"

(49.9 mm)

1.00"

(25.4 mm)

#8-32 (M4)

Clearance Hole

SM1 (1.035"-40)

Thread

0.40"

(10.7 mm)

Ø1/4 - 80

Adjuster Screws with

Removeable Knobs

1.77"

(44.9 mm)

1.05"

(26.7 mm)

#8-32 (M4) Clearance Holes

2 Places at 90°

S2011

Page 9 Rev D, August, 29, 2011

Chapter 8 Regulatory

As required by the WEEE (Waste Electrical and Electronic Equipment Directive)

of the European Community and the corresponding national laws, Thorlabs offers

all end users in the EC the possibility to return “end of life” units without incurring

disposal charges.

•This offer is valid for Thorlabs electrical and electronic equipment:

•Sold after August 13, 2005

•Marked correspondingly with the crossed out

“wheelie bin” logo (see right)

•Sold to a company or institute within the EC

•Currently owned by a company or institute

within the EC

•Still complete, not disassembled and not

contaminated

As the WEEE directive applies to self contained

operational electrical and electronic products, this end of

life take back service does not refer to other Thorlabs products, such as:

•Pure OEM products, that means assemblies to be built into a unit by the

user (e.g. OEM laser driver cards)

•Components

•Mechanics and optics

•Left over parts of units disassembled by the user (PCB’s, housings etc.).

If you wish to return a Thorlabs unit for waste recovery, please contact Thorlabs

or your nearest dealer for further information.

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.

8.2. Ecological Background

It is well known that WEEE pollutes the environment by releasing toxic products

during decomposition. The aim of the European RoHS directive is to reduce the

content of toxic substances in electronic products in the future.

The intent of the WEEE directive is to enforce the recycling of WEEE. A

controlled recycling of end of life products will thereby avoid negative impacts on

the environment.

Wheelie Bin Logo

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