THORLABS PM300 Manual de usuario

Operation Manual

Thorlabs Instrumentation

Optical Power Meter

PM300

2007

Version: 13515-D02 REV A

Date: 18.04.2007

Contents page

1General Information 5

1.1 Safety 6

1.2 Ordering Codes and Accessories 9

2Getting Started 10

2.1 Unpacking 10

2.2 Preparation 10

2.3 Physical Overview 11

2.3.1 Operating Elements at the Front Panel 11

2.3.2 Operating Elements at the Rear Panel 12

2.3.3 Main Screens 13

3Operating the PM300 14

3.1 Sensor independent Operation and Settings 14

3.1.1 Navigating the Menus 14

3.1.2 System Settings 14

3.1.3 Readout Configuration 15

3.1.4 Range Setting 15

3.1.5 Relative Power Measurement 16

3.1.6 Setting an Attenuation Factor 17

3.2 Operation with a Photodiode Sensor 17

3.2.1 Wavelength Correction 18

3.2.2 Dark Current Adjustment 19

3.2.3 Bandwidth Setting 20

3.3 Operation with a Thermal Sensor 21

3.3.1 Zeroing 21

3.3.2 Readout acceleration 22

3.3.3 Custom Thermal Elements 22

3.4 Operation with Photodiodes 22

3.4.1 Photodiode Polarity 23

3.4.2 Setting the Photodiode Responsivity 23

3.4.3 Bias 23

3.5 Analog Outputs 23

3.6 Miscellaneous Analog Output 24

3.7 Chart Mode 24

3.8 System Configuration 25

4Computer Interface 25

4.1 Connecting a Computer 25

4.2 PM300 Utility Software 26

4.3 Firmware Update 27

4.4 Command Reference 28

4.4.1 Common IEEE488.2 Commands 28

4.4.2 Measurement Commands 32

4.4.3 Device Setup Commands 34

4.4.4 Sensor Commands 44

4.4.5 MISC-Output Commands 46

4.4.6 Device Status Commands 50

4.4.7 General System Commands 52

5Measurement Considerations 55

5.1 Measurement of Pulsed Signals 55

5.2 Line-width of Light Sources 55

5.3 Temperature Effects on Thermal Sensors 55

5.4 Ambient and Stray Light 56

5.5 Backreflection 56

5.6 Fiber Based Measurements 56

6Maintenance and Repair 57

6.1 Maintenance 57

6.2 Line voltage setting 58

6.3 Replacing the mains fuses 59

6.4 Troubleshooting 61

7Appendix 65

7.1 Warranty 65

7.2 Certifications and compliances 66

7.3 Technical data 67

7.3.1 Common Data 67

7.3.2 Technical Data 67

7.4 Pin Assignment of the Sensor Connector 69

7.5 Thorlabs Power Sensors 70

7.5.1 S120B / S121B Silicon Sensor 70

7.5.2 S122B Germanium Sensor (PM122) 71

7.5.3 S130A / S132B Slim Sensor (PM130 / PM132) 72

7.5.4 S140A / S144A Integrating Sphere Sensor (PM140 / PM144) 73

7.5.5 S210A 3W Thermal Sensor 74

7.5.6 S212A 10W Thermal Sensor 75

7.5.7 S213A 30W Thermal Sensor 76

7.6 Selection of Thorlabs Photo-Diodes 77

7.6.1 SM05PD Series 77

7.6.2 SM1PD Series 77

7.6.3 IS200 Integrating Sphere Series 78

7.6.4 Calibrated Photodiodes 78

7.7 Thorlabs ‘End of Life” policy (WEEE) 79

7.7.1 Waste treatment on your own responsibility 79

7.7.2 Ecological background 80

7.8 List of figures 81

7.9 Addresses 82

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 develop our products permanently 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

This part of the instruction manual contains every specific information on the PM300

optical power meter. A general description is followed by explanations of how to

operate the unit manually. You will also find information about a simple remote

control of the unit.

Attention

This manual contains ‘WARNINGS” and ‘ATTENTION” labels in this

form, to indicate danger for persons or possible damage to equip-

ment.

Please read these advises carefully!

NOTE

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

1.1 Safety

1 General Information

The PM300 Benchtop Optical Power Meter is designed to measure the optical power

of laser light or other monochromatic or near monochromatic light sources.

The dual channel design and compatibility to all Thorlabs Photodiode and Thermal

power meter sensors and common Photodiode detectors, combined with a fast USB

device interface open a wide range of applications in Manufacturing, Quality Control,

Quality Assurance, and R&D.

The provided software, including drivers and applications for LabVIEW and C 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.

Before applying power to your PM300 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!

Also make sure that the line voltage setting of the fuse holder at the rear

panel agrees with your local supply and that the corresponding fuses

are inserted. If not, please change the line voltage setting (see section

6.2) and the mains fuses (see section 6.3).

The power meter PM300 must not be operated in explosion endangered

environments!

Sensor, photodiode and control inputs and outputs must only be

connected with duly shielded connection cables.

Only with written consent from Thorlabs may changes to single compo-

nents 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 dispatchable if duly packed into the

complete original packaging including the plastic form parts. If neces-

sary, ask for a replacement package.

1.1 Safety

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).

1.1 Safety

Attention 

The following statement applies to the products covered in this

manual, unless otherwise specified herein. The statement for other

products will appear in the accompanying documentation.

Note: This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to Part 15 of the FCC

Rules and meets all requirements of the Canadian Interference-

Causing Equipment Standard ICES-003 for digital apparatus. These

limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates,

uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful inter-

ference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this

equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more of the following measures:

▪Reorient or relocate the receiving antenna.

▪Increase the separation between the equipment and receiver.

▪Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

▪Consult the dealer or an experienced radio/T.V. technician for help.

Thorlabs GmbH is not responsible for any radio television interfer-

ence caused by modifications of this equipment or the substitution

or attachment of connecting cables and equipment other than those

specified by Thorlabs GmbH. The correction of interference caused

by such unauthorized modification, substitution or attachment will

be the responsibility of the user.

The use of shielded I/O cables is required when connecting this

equipment to any and all optional peripheral or host devices. Failure

to do so may violate FCC and ICES rules.

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