THORLABS PM100 User manual

Operation Manual

Thorlabs Instrumentation

Optical Power Meter System

PM120, PM121, PM122,

PM130, PM132,

PM140, PM144

PM210, PM212, PM213

2006

Version: 1.22 M0009-510-401

Date: 12.05.2006

Contents Page

1Safety 1

2Getting Started Quickly 3

2.1 Setup 3

2.2 Keyboard Summary 3

2.3 Display Arrangement 5

3Description 6

3.1 Parts List – Accessories 7

3.2 Technical Data 8

3.2.1 PM100 Display Unit 8

3.2.2 S120B / S121B Silicon Sensor (PM120 / PM121) 9

3.2.3 S122B Germanium Sensor (PM122) 10

3.2.4 S130A / S132B Slim Sensor (PM130 / PM132) 11

3.2.5 S140A / S144A Integrating Sphere Sensor (PM140 / PM144) 12

3.2.6 S210A 3W Thermal Sensor (PM210) 13

3.2.7 S212A 10W Thermal Sensor (PM212) 14

3.2.8 S213A 30W Thermal Sensor (PM213) 15

3.3 Physical Overview 16

3.4 Operating Instruction 17

3.4.1 Inserting and Charging the Battery Pack 17

3.4.2 Switching On and Off the Unit 18

3.4.3 Principal of Operation and Menu Navigation 18

3.4.4 Connecting a Photodiode Sensor (PM100 Series) 19

3.4.4.1 Dark current adjustment 20

3.4.4.2 Wavelength Correction 20

3.4.4.3 Attenuation/Gain Correction 21

3.4.5 Connecting a Thermal Sensor (PM200 series) 21

3.4.5.1 Zeroing the Sensor 22

3.4.5.2 Attenuation/Gain Correction 22

3.4.6 Range Setting 23

3.4.7 Relative Measurements 23

3.4.8 Zoom Functions 24

3.4.9 Representation of the Optical Power Reading 24

3.4.9.1 Power (Watts) and Bar-Graph Display 24

3.4.9.2 Digital Needle Display 25

3.4.9.3 Tune-Graph Display 26

3.4.9.4 Statistics Display 27

3.4.9.5 Power dBm Display 27

3.4.10 Menu Structure and Description of the Additional Functionality 28

3.4.11 Special Topics 29

3.4.11.1 Analog output 29

3.4.11.2 Backlight 30

3.4.11.3 Processor Reset 30

4Computer Interface 31

4.1 Connecting a Computer 31

4.2 Data Format 32

4.2.1 Program Data Elements 32

4.2.2 Response Data Elements 32

4.3 IEEE Emulation Codes 34

4.4 Commands 35

4.4.1 Common IEEE488.2 Commands 35

4.4.1.1 Common Command Overview 35

4.4.1.2 Common Command Description 36

4.4.2 Device Specific Commands 39

4.4.2.1 Device Specific Command Overview 39

4.4.2.2 Device Specific Command Description 40

4.4.3 Status Reporting 43

4.4.4 Error Reporting 43

5Calibration and Warranty 45

5.1 Calibration 45

5.2 Warranty 45

6Service and maintenance 47

6.1 General Care 47

6.2 Cleaning 48

6.3 Line Voltage 48

6.4 Repair 48

7Listings 49

7.1 Default Settings 49

7.2 List of figures 50

7.3 Certifications and Compliances 51

7.4 Thorlabs “End of Life” policy (WEEE) 52

7.4.1 Waste treatment on your own responsibility 52

7.4.2 Ecological background 53

7.5 Addresses 54

We aim to develop and produce the best solution for your application in the

field of optical measurement technique. To help us to come 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 how to

handle and use the PMxxx Optical Power Meter system. A general description is

followed by explanations of how to operate the unit remotely via the serial RS232

connection.

Attention

This manual contains “WARNINGS” and “ATTENTION” label in this

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

ment.

Please read these advises carefully!

NOTE

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

2.1 Setup

PM100 / page 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.

Use only the power cord specified for the unit.

Do not operate the power meter if its panels are removed or any of

the interior circuitry is exposed

Do not operate the power meter in wet or damp conditions, or in an

explosive atmosphere.

Operate the power meter only within the specified voltage range

Do not apply voltage outside the specified range of the input connec-

tions

Do not operate the power meter if there are suspected failures. Refer

damaged units to qualified Thorlabs service personnel

2.1 Setup

PM100 / page 2

Attention 

This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a commer-

cial environment. This equipment generates, uses, and can radiate

radio frequency energy and, if not installed and used in accordance

with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential area is

likely to cause harmful interference in which case the user will be

required to correct the interference at his own expense.

Standard shielding and filtering measures have to be undertaken to

avoid interferences with other electronic equipment!

NOTE

Please check prior to operation, if the line voltage range, indicated on the

power supply agrees with your local supply

2.1 Setup

PM100 / page 3

2 Getting Started Quickly

This section is provided for those interested in getting the power meter up and

running quickly. The more detailed description and advanced features are described

in the following sections.

2.1 Setup

• Carefully unpack the console, optical head and accessories. If any of the items

are damaged, do not use the meter. Call Thorlabs and arrange for replace-

ment.

• Install the NiMH battery pack; therefore turn the unit, set the battery pack in its

socket and push it slightly in top direction of the meter, until it snaps in.

• The battery pack should be fully charged before using the unit. Plug in the AC

adapter into the jack on the bottom side of the console and allow the battery to

charge for a minimum of 2 hours. The unit cannot switch off, when the charger

is applied.

• Plug the DB9 connector of the optical head into the jack located on the top of

the console and secure the two screws.

• Power on the unit by shortly pressing the on/off button.

• Conduct sensor zero calibration. The following procedure is required when

attaching a new sensor

o Press the Enter key and toggle down to the Dark Current Adj./Zeroing

menu.

o Cover the sensor and follow the wizard

o The values will be stored for up to 5 different sensors

2.2 Keyboard Summary

ON/OFF

Shortly pressing this key will power up the unit. Pressing the key for

longer than 2 seconds will power down the unit. Per factory default a

changeable auto-shutdown time of 10 minutes is set.

2.2 Keyboard Summary

PM100 / page 4

Backlight

Pressing the backlight key will turn on or off the display backlight. To

preserve the batteries, the backlight will turn off after the time that is set

in the System\Backlight menu (factory default 5 seconds).

Wavelength Correction

Short pressing of this button allows to toggle between 5 preset wave-

lengths (photodiode heads only). These are dependent from sensor

type and serial number.

Pressing the button for longer than 2 seconds enters a screen where

each of the 5 correction wavelengths can be individually changed by

toggling the up, down, left and right buttons.

Display

This button enables to toggle between the different displays of visualiza-

tion of the measured power. These displays are power reading in mW,

analog needle, statistics screen, tuning graph and power reading in

dBm.

Range Selection

Pressing the range key shortly enables to change the display power

range in decades for the digital displays and in ‘half’ decades (3, 10) for

the quasi analog displays.

Pressing the range key shortly twice conducts one auto-ranging step to

automatically jump to the optimal range.

Automatic Zeroing Mode

The REL∆ can be used to automatically zero the display by subtracting

the current reading from the displayed value. The amount of offset is

displayed additionally. Bar-graph and analog needle display go in a mid-

position type of display. Pressing the key again turns off this mode.

Arrow Keys

The arrow keys are used to navigate through the menus as well as

navigating and adjusting the display soft keys.

Enter Key

The enter key is used to get into child menus and confirm user settings

RANGE

REL∆

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