ALPhANOV AeroDIODE Cool & Control Series Bedienungsanleitung

AERODIODE - Institut d’optique d’Aquitaine - Rue François Mitterrand

33400 Talence - France - Tél.: +33 (0)6 27 69 41 62

www.aerodiode.com

Operating manual

Cool & Control Series

CCM Multi-Mode laser diode driver

 
 
 
 
 
Page 2/28 –v3.4 
 
Contents 
General information.............................................................................................................................................3 
1. Definitions ..................................................................................................................................................3 
2. General warning .........................................................................................................................................3 
Safety Instructions ...............................................................................................................................................4 
1. Wiring .........................................................................................................................................................4 
2. Operating Environment..............................................................................................................................4 
3. Contact .......................................................................................................................................................5 
Product overview .................................................................................................................................................5 
1. Physical properties* ...................................................................................................................................5 
2. Ports description.........................................................................................................................................5 
Installation ...........................................................................................................................................................8 
1. Laser diode installation for efficient thermal regulation............................................................................8 
2. Wiring .......................................................................................................................................................11 
3. Example of multiple laser diodes and TEC connected to one CCM ..........................................................12 
4. Mechanical holding ..................................................................................................................................13 
5. Electrical connection ................................................................................................................................13 
Getting Started...................................................................................................................................................14 
1. Software installation.................................................................................................................................14 
2. Software overview....................................................................................................................................16 
3. Setting the limits.......................................................................................................................................18 
4. Current and voltage adjustments.............................................................................................................18 
5. Control mode............................................................................................................................................19 
6. CW/pulse operation .................................................................................................................................19 
7. Settings.....................................................................................................................................................20 
8. Measurements..........................................................................................................................................21 
9. Alarms.......................................................................................................................................................22 
10. Menu bar ..................................................................................................................................................23 
Configuration examples .....................................................................................................................................24 
1. How to run the laser in CW/pulse mode with the GUI*...........................................................................24 
2. Use of optional TOMBAK to generate full adjustable pulses ...................................................................25 
Technical specification .......................................................................................................................................28 
1. General Data.............................................................................................................................................28 
2. Detailed data ............................................................................................................................................28 
 

Page 3/28 –v3.4

1. General information

Please read this manual carefully, it describes the hazard the user might be exposed to while

using the product. It also explains in details how to use the product in the safest and more

efficient way possible.

The safety of any system incorporating the product is the responsibility of the assembler of the

system.

Any actions taken by the user that is not clearly described in this user manual might present a

risk and is the sole responsibility of said user.

This product is to be used in laboratory or industrial tasks, and only by personnel who have

followed a training in laser hazard.

1.1. Definitions

Caution : A caution is advised when dealing with hazardous situations, tasks or objects, to prevent

harm or death and avoid material damage or failure.

Warning : A warning is given for potentially dangerous situation for people which cause them

harm or lead to death

Note : A note is a complementary piece of advice that must be acknowledged by the user.

1.2. General warning

WARNING

The compatible laser diodes used with the CCM can deliver up to several Watts of coherent LASER

radiation. Always wear protective goggles and observe the safety instructions provided by the

laser diode supplier when using the CCM driver with your laser diode.

WARNING

Operating the CCM with respect to laser radiation directive (2006/25/CE) is the responsibility of

the owner of the system and the product should not be put in operation before the machine or

system in which it will be integrated has been declared to be compliant with the relevant

requirements (NF EN 60825-1).

WARNING

Do not try to open or remove the cover of the CCM module.

Page 4/28 –v3.4

WARNING

Avoid all chocs and strains when handling the CCM.

WARNING

Handle the fiber-optics with care as it is fragile. Do not bend or pinch it.

WARNING

Any software settings or hardware tinkering that is not described in this user manual or in the

usage recommendation may put the user or its environment at risk.

WARNING

The maintenance and servicing of the CCM should not be executed by the end user : only

AERODIODE is able to maintain the CCM.

Note

Only use the supplied USB cable.

2. Safety Instructions

2.1. Wiring

Caution

-Please use cable of length inferior to 3m to power the CCM in order to avoid EMC

compatibility (according to IEC61326-1)

-Please first connect the power cables to the driver and then plug the 24V DC Power

Supply

-Make sure that the cables are correctly screwed in

-Use caution when connecting the Power Supply

-Protect the power cord from being walked on or pinched

2.2. Operating Environment

Caution

-Do not install near any heat sources such as radiators, heat registers, stoves, or other

equipment (including amplifiers) that produce heat.

-To reduce the risk of fire or electric shock, do not expose the CCM to rain or moisture.

Page 5/28 –v3.4

WARNING

Not following the safety recommendations and the caution mentioned above can lead to eye

damage.

2.3. Contact

If you have any question about the CCM module, please contact AERODIODE.

3. Product overview

3.1. Physical properties*

3.2. Ports description

1. 24 Vdc / 20 A Power IN

Product

Length(mm)

Width(mm)

Height(mm)

Weight(kg)

CCM 60W

232

2.7

CCM 120W

240

120

123

4.7

CCM 200W

320

120

123

5.8

CCMI 30W

232

123

135

CCMI 70W

240

155

162

5.1

CCMI 180W

320

155

188

6.5

CCMI 100W + TOMBAK

240

180

162

6.7

* The values stated are some examples of CCM/CCMI configurations. For any other configuration, please contact AERODIODE for

more information. For the TOMBAK option, you have to add 25mm on the width.

Page 6/28 –v3.4

Power supply location for the CCM device (24 Vdc / 20 A), use cables with 16AWG gauge

2. Power ON indicator

Blue LED indicates that the device is powered

3. Alarm indicator

Red LED indicates that an extreme condition is reached and has triggered the laser extinction

(Interlock open, CPU dysfunction or overheating)

4. USB input

3.5 mm input jack used to connect the CCM driver to the PC. Use the specific USB cable supplied

with your device

5. Daisy output

3.5mm output jack used to chain multiple CCM drivers or any other device from the AERODIODE

line (CCM, Central, CCS)

6. Photodiode 1 input [left: signal / right : GND]

Input connector for a first photodiode entrance signal. This signal is used for the Automated

Power Control mode (APC)

7. Photodiode 2 input [left: signal / right : GND]

Input connector for a second photodiode entrance signal (provision)

8. 5 V output [left: signal / right : GND]

5 Vdc output connector allowing the supply of an external device (300 mA max). Typically this

supply can be used for biasing and amplifying the photodiode signal

9. Interlock [left: signal / right : GND]

Connector interlock that must be shunted or connected to any interlock security system of the

machine/installation in order to allow laser activation and thermal regulation. The signal is a 3.3V

DC pull-up signal that must be grounded in order to allow emission.

10. Alarm output [left: signal / right : GND]

Output connector for alarm status monitoring (power, current, temperature) (low level indicates

alarm)

11. Monitoring electronic component temperature

Allows temperature monitoring when using the device on external monitoring mode (25°C

corresponds to 1.125 V) [left: signal / right : GND]

Page 7/28 –v3.4

12. Monitoring current

Allows current monitoring when using the device without the software (185 mV/A)

[left : signal / right : GND]

13. CTN

CTN connector input for measuring and controlling the laser diode temperature

14. TEC output

Electrical output location for thermoelectric cooler supply

15. Laser Diode power output

Electrical output location for the laser diode supply

16. Analog 0-2.5 V signal input for Ext Mode

Set here the relative laser diode current using a 0-2.5V signal input when CCM has been previously

set in “Ext-Mode” in the “Current Source” panel of the software (the operating mode should be

kept to CW).

This signal could be used to make a current modulation (continuous, modulated or pulsed).

0 V = Minimum current

2.5 V = Maximum current

•Left : Reserved

•Middle Left : Analog voltage input 0-2.5V

•Middle : Reserved

•Middle right : Reserved

•Right : Ground

Page 8/28 –v3.4

4. Installation

The CCM driver is able to drive any type of laser diode until 150W / 36 V / 21 A

4.1. Laser diode installation for efficient thermal regulation

Caution

Care must be taken in order to properly cool the laser diode. In case of bad thermal contacts

of the diode and thermistor, the regulation may be unstable.

Note

Some laser diodes can contained an internal thermistor in their assembly. The CCM product is

optimized to deal with the external supplied thermistor and so the thermal regulation will not

work properly with integrated thermistors.

In the package, you will find :

•At least 1 TEC (1)

•4 screws (2)

•At least 1 diode holder (3)

•1 Thermal Grease syringe (4)

•Your diode (5)

Please find the following advices in order to install the laser diode and TEC (Thermoelectric

cooler) :

There are two spots where you can place your diode, as shown below :

(1)

(2)

(3)

(4)

(5)

(1)

(2)

Page 9/28 –v3.4

Choose the one that best suits your setup, take into consideration the size of your diode, the

length of the power cables of your diode and TECs. They should easily reach their respective

connectors, while not being to tensed to avoid any strain on the solders. In this example, the

chosen spot is the (1).

(A) Spread some thermal grease on the heat sink’s surface then lay down the thermoelectric

cooler above. The thickness of thermal grease should be as thin and uniform as possible.

After placing some drops, the grease could be spread with a spatula or a blade before placing

the thermoelectric cooler. Please take care not to introduce any thermal contact between

both sides of the TEC.

(A)

In the example (A.1) above, the TEC is correctly set. In the example (A.2) on the other hand,

Too much thermal grease has been applied making a thermal bridge between the cooling and

heating plate of the TEC :

(A.1)

(A.2)

(Cooling plate)

(Heating plate)

(Thermal grease layer)

(Thermal bridge)

(Heat Sink)

Page 10/28 –v3.4

(B) Spread some thermal grease on the top surface of the thermoelectric cooler and then lay

down the diode on top of it. Again, please take care not to introduce any thermal contact

between both plates of the TEC.

To optimize thermal efficiency, if the diode is small compared to the thermoelectric cooler, you

can paste a piece of thermal conductive sheet (graphite for example) going from the

thermoelectric cooler to the laser diode sides.

The ideal configuration is when laser diode and TEC have similar sizes.

thermistor is properly attached and in contact with the laser diode : use superglue or other

efficient thermal glue to make sure the CTN is always in contact with the diode and the TEC. If

several diodes are connected in serial, glue the thermistor on the diode farthest from the fan.

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