THORLABS PM100A Manual de usuario

Operation Manual

Thorlabs Instrumentation

Optical Power Meter

PM100A

2011

Version: 17655-D02 REV C

Date: 21.04.2011

Contents page

1General Information 4

1.1 Safety 5

1.2 Ordering Codes and Accessories 7

2Getting Started 8

3Unpacking 8

3.1 Preparation 8

3.2 Physical Overview 9

3.2.1 Front Panel 9

3.2.2 Side Panel 9

3.2.3 Rear Panel 10

3.2.4 Bottom 10

3.2.5 Display 11

4Operating the PM100A 12

4.1 Connecting a Power Sensor 12

4.2 Controlling the PM100A 12

4.2.1 Navigating the Menus 12

4.2.2 System Settings 12

4.2.3 Power Measurement 14

4.2.3.1 Range and Scale Control 14

4.2.3.2 Wavelength Correction 14

4.2.3.3 Zeroing 15

4.2.3.4 Setting an Attenuation / Gain Factor 16

4.2.3.5 Relative Power Measurement 17

4.2.4 Display Options 17

4.2.5 Sensor Dependent Functions 18

4.2.5.1 Photodiode Sensors 18

4.2.5.2 Thermal Power Sensors 19

4.3 Analog Output 21

4.4 Tune Sound 21

4.5 Battery Charging 22

5Measurement Considerations 23

5.1 Choosing the right Sensor 23

5.2 Reducing Noise for High Accuracy Measurements 23

5.3 Power Measurement of Pulsed Signals 24

5.4 Line width of Light Sources 24

5.5 Temperature Effects on Thermal Sensors 24

5.6 Ambient and Stray Light 25

5.7 Back Reflection 25

5.8 Beam Diameter vs. Active Sensor Area 25

5.9 Fiber Based Measurements 26

6Computer Interface 27

6.1 PM100 Utility Software 27

6.1.1 Front Panel 28

6.1.2 Description of the Front Panel Elements: 28

6.2 Firmware Update 31

6.3 Simple LabVIEW Example using SCPI Commands 32

6.4 Using the Instrument Drivers 36

6.5 SCPI Commands 37

6.5.1 An Introduction to the SCPI language 37

6.5.2 IEEE488.2 Common Commands 40

6.5.2.1 Command summary 40

6.5.2.2 Command reference 41

6.5.2.3 PM100D specific SCPI Command Reference 42

6.6 Maintenance and Repair 52

6.7 Maintenance 52

6.8 Troubleshooting 53

7Appendix 54

7.1 Warranty 54

7.2 Certifications and compliances 55

7.3 Technical data 56

7.4 Pin Assignment of the Sensor Connector 58

7.5 Thorlabs „End of Life‟ policy (WEEE) 59

7.5.1 Waste treatment on your own responsibility 59

7.5.2 Ecological background 60

7.6 List of figures 61

7.7 Addresses 62

1.1 Safety

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

PM100A handheld 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 PM100A Handheld Optical Power Meter is designed to measure the optical

power of laser light or other monochromatic or near monochromatic light sources and

the energy of pulsed light sources.

The space-saving, battery powered design and compatibility to all Thorlabs “C-Type”

Photodiode and Thermal sensors, and custom Photodiode and Thermal detectors,

featured with a fast USB device interface open a wide range of applications in

Manufacturing, Quality Control, Quality Assurance, and R&D for stationary and field

use.

The unit combines a precise 4 digit power readout with a mechanical, mirror

supported analog needle meter to perform laser tuning tasks or watching trends.

Please refer to the user manual on the data carrier supplied with the unit for detailed

function description.

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

it easy to integrate the instrument in test and measurement systems.

A rechargeable lithium polymer battery allows long intervals between the charging

cycles. The unit can be recharged with the supplied AC adapter or via USB

connection to a PC or laptop.

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.

The power meter PM100A must not be operated in explosion endan-

gered 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 remove covers!

Refer servicing to qualified personal!

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.

1.2 Ordering Codes and Accessories

Order Code

Description

PM100A

Handheld Power Meter Console

Photodiode Power Sensors:

Order Code

Type

Detector

Aperture

Wavelength

Power

S120C

Compact Sensor

9.5

400 - 1100

50n - 50m

S120VC

Compact Sensor

UV-Si

9.5

200 - 1100

50n - 50m

S121C

Compact Sensor

9.5

400 - 1100

500n - 500m

S122C

Compact Sensor

9.5

700 - 1800

50n - 40m

S130C

Slim Sensor

Dual Range

9.5

400 - 1100

5n - 5m

500n - 500m

S130VC

Slim Sensor

Dual Range

UV-Si

9.5

200 - 1100

5n - 5m

50n - 50m

S132C

Slim Sensor

Dual Range

9.5

700 - 1800

1200 - 1800

5n - 5m

500n - 500m

S140C

Integr. Sphere (1”)

5.0

350 - 1100

1µ - 500m

S144C

Integr. Sphere (1”)

InGaAs

5.0

800 - 1700

1µ - 500m

S142C

Integr. Sphere (2”)

350 - 1100

10µ - 20

S145C

Integr. Sphere (2”)

InGaAs

800 - 1700

1µ - 3

S145C

Integr. Sphere (2”)

InGaAs

800 - 1700

10µ - 20

S150C

Fiber Head

3.6 x 3.6

350 - 1100

100p - 5m

S151C

Fiber Head

3.6 x 3.6

400 - 1100

1n - 20m

S154C

Fiber Head

InGaAs

2.0

700 - 1700

100p - 5m

S155C

Fiber Head

InGaAs

2.0

700 - 1700

1n –20m

Thermal Power Sensors:

Order Code

Type

Aperture

Wavelength

Power

S302C

Thermally Stabilized

Thermal Absorber

190 - 25000

100µ - 2

S310C

Thermal Surface Absorber

190 - 25000

10m - 10

S314C

Thermal Surface Absorber

190 - 10600

10m - 60

S322C

Thermal Surface Absorber

190 - 10600

100m - 250

S350C

Thermal Surface Absorber

Excimer Coating

190 - 1100

and 10600

10m - 60

S370C

Thermal Volume Absorber

for high peak power lasers

400 - 5200

10m - 15

Please visit our homepage http://www.thorlabs.com for various accessories like fiber

adapters, posts and post-holders, data sheets and further information.

3.1 Preparation

2 Getting Started

3 Unpacking

Inspect the shipping container for damage.

If the shipping container seems to be damaged, keep it until you have inspected the

contents and you have inspected the PM100A mechanically and electrically.

Verify that you have received the following items within the hard-case:

1. PM100A power meter console

2. Plug-In power supply with Interchangeable primary plug for USA, UK, Europe,

and Australia

3. USB cable, type „A‟ to „mini-B‟

4. Quick-start guide

5. USB memory stick with instrument drivers, user application and operation

manual

6. Certificate of Calibration

3.1 Preparation

Configure the plug-in power supply with the primary plug for your local power supply.

Connect a suitable power or energy sensor.

Turn the unit on by pressing the power button in the side panel.

After switching on the unit, the graphics display will show the device status and then

jump to the last measurement screen before power down.

The PM100A is immediately ready to use after turning on.

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