THORLABS PM100D Manual de usuario

Quick Reference

Thorlabs Instrumentation

Optical Power and Energy Meter

PM100D

2009

Safety

Attention 

All statements regarding safety of operation and technical data in

the instruction manual will only apply when the unit is operated

corectly.

The power meter PM100D 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

components be carried out or components not supplied by

Thorlabs be used.

Do not remove covers!

Refer servicing to qualified personal!

Table of Content

1General Information 3

2Getting Started 3

2.1 Unpacking 3

2.2 Preparation 3

2.3 Physical Overview 4

3Operating the PM100D 6

3.1 Connecting a Power or Energy Sensor 6

3.2 Controlling the PM100D 6

3.2.1 Navigating the Menus 6

3.2.2 Power and Energy Measurement in the Numeric Display 8

3.2.3 Display Options 10

3.2.4 Analog Output 11

3.2.5 Battery Charging 11

3.3 Computer Interface 11

4Addresses 12

1 General Information

The PM100D Handheld Optical Power and Energy 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-

Series” Photodiode, Thermal, Pyroelectric sensors, and custom Photodiode,

Thermal and Pyroelectric detectors, combined 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.

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

detailed function description.

2 Getting Started

2.1 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 PM100D mechanically and electrically.

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

1. PM100D power/energy meter console

2. 1GB SD memory card – installed in PM100D

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

Europe, and Australia

4. USB cable, type ‘A’ to ‘mini-B’

5. Quick-start guide

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

manual

7. Certificate of Calibration

2.2 Preparation

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

supply.

Connect a suitable power or energy sensor. The sensors have a self-fixing

mechanism. To plug or unplug a sensor slightly press from both sides on the pins

in the connector housing.

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 PM100D is immediately ready to use after turning on.

2.3 Physical Overview

Figure 1 Front Panel

Figure 2 Side Panel

Figure 3 Bottom View

On/Off Switch USB Connector Sensor Connector

(DB9 female)

DC In

(

Char

)

nalo

Out

(

SMA

)

Function Keys:

Navigation: TSWX

Enter/Edit: OK

Wavelength: λ

Relative Measure: Δ

Backlight: 

Mounting Thread 1/4“-20 SD Card Slot

Pull here to lift the support

Removable protective

Rubber boot

Figure 4 Rear View

Status Line with

Annunciators

Main Display

Configurable

Sub Display

Configurable

Sub Display

Bar Graph

Menu Soft

Buttons

Tool Tip Text

Header Line with Sensor Information, Date/Time and Battery state

Figure 5 Numeric Display Setup

3 Operating the PM100D

3.1 Connecting a Power or Energy Sensor

The PM100D supports all Thorlabs ‘C-Series’ photodiode, thermal and pyroelectric

sensors. These can easily identified against older versions of Thorlabs power or

energy sensors by their red connector housing. The console will not recognize

sensors from the ‘A’ and ‘B’ series. Please contact Thorlabs for upgrading of old

sensors with ‘C-Series’ connectors.

To plug or remove a sensor slightly press the two bolts in the connector housing.

Sensors can be ‘hot-swapped’ to the console, after recognizing a new valid sensor

the type and calibration data will be downloaded to the console in approximately 2

seconds and the unit is ready to operate with the new sensor.

3.2 Controlling the PM100D

3.2.1 Navigating the Menus

Each measurement screen contains eight soft buttons that are arranged in 2 rows

in the bottom of the graphics display. These can be controlled by the four

navigation (STWX), and the enter/edit (OK) key. An interactive help text above

describes shortly the function of each selected button.

The soft buttons may be configured with the following functions:

Type Indicator Function when pressing ‘OK’ Example

Menu XShows a sub menu, by rearranging the soft

button labels

Meas

Config X

Ring

Control

Scrolls up and down the ring with the up

and down navigation buttons. The changes

are valid immediately. A blinking button

frame indicates that the control is active.

Confirm with ‘OK’

Range

Func-

tion key

Label in

capitals

Proceeds the described function RESET

Radio

button

3Selects the function of the pressed key.

The active key gets the ‘checked’ mark (3)

Numeric Key label

contains a

number

The button goes in the ‘edit’ mode. This is

indicated by a blinking frame and one digit

with a blinking underline. With the WX

buttons navigate the digit to change; with

the ST keys increment or decrement the

digit. Confirm with ‘OK’

1.550µm

Button Appearance: Focus on Button TextNegative . Edit Mode Blinkingframe.

All sub menus can be left by navigating to the EXIT button at the downright

soft button location or to any empty … e … button, and pressing the OK key.

System Settings

The following sub menus will appear:

- Measurement Settings

Remote state PM100D can be switched back to local mode

Line filter Sets the unit to the local line frequency 50Hz/60Hz

to avoid aliasing effects

Default sensor Sets the PM100D in a mode to measure photo

current, thermal voltage or peak voltage from a pyro-

electric detector. See user manual.

- Console Settings

Language User interface language setting

Backlight Switches the LCD and key backlight on and off

(Same function as the key)

Brightness Sets the brightness of the LCD and key backlight.

The setting range is 0 – 100% in 1% increments

LCD Contrast Adjusts the LCD contrast.

The setting range is 0 – 100% in 1% increments

Sound Switches on and off the key and warning sounds

Shutdown The unit automatically powers off in battery

operation after a certain time without user action.

This feature can be set to 10 minutes, 1 hour or

switched off; and is not active when an external power

supply (AC adapter or USB) is connected.

Firmware Upload Needs to be ‘enabled’ before uploading a new

firmware version. The function will automatically reset

to ‘disabled’ when powering down.

- Date and Time Enters a submenu to set date and time. It is

possible to chose various date and time formats.

- Console Info Shows the console related information.

- Sensor Info Shows the related information of the currently

connected power or energy sensor.

3.2.2 Power and Energy Measurement in the Numeric Display

The numeric display contains a large configurable measurement value, two small

sub displays for additional measurement information, and a bar-graph that shows

the saturation degree of the chosen measurement range. To control and configure

the numeric display the soft buttons in the top level are arranged as following:

3.2.2.1 Range Control

Up to 6 power corresponding current and 4 power / energy corresponding voltage

ranges can be chosen manually with the Sor Tkeys. For power measurements

an auto-ranging function is available.

3.2.2.2 Wavelength Correction

The menu offers 8 individually configurable sensor independent wavelength

settings.

To edit a wavelength keep the OK key pressed for 1 second. Set the desired

wavelength with the STWX keys.

3.2.2.3 Readout Configuration

Depending on the connected sensor the units of measure for the large display can

be configured to Watt, dBm, Joule, Volt or Ampere.

For additional information two small displays are arranged below the main display

Min Val: Minimum level until MAX RESET is pressed. Same unit as main

display.

Frequency: Displays the frequency of a power signal or the repetition rate for

pulsed laser sources

Temperature: Shows the sensor head temperature.

Off: Hides the left sub-display

Max Val: Maximum level until MAX RESET is pressed in main display unit.

Max/Min: Ratio between maximum and minimum.

Area: Calculates power and energy density from the set beam diameter.

Alt Unit: Shows the measurement in its alternate unit (e.g. W – dBm)

Off: Hides the right sub-display

3.2.2.4 Measurement Configuration Menu

Photodiode Sensor

Thermal Sensor

Pyroelectric Sensor

Att: Sets an attenuation or gain factor

BW: Sets the bandwidth of the photodiode input stage to High or Low

Acc: Switches the acceleration circuit for the thermal sensor input stage

Trig: Sets the trigger level for laser pulse detection.

∅x.xxmm Set the input beam diameter for power or energy density calculation

ZERO Performs a zeroing for thermal sensors and dark current adjustment

for photodiode sensors.

3.2.2.5 Max Reset Button

Sets back the Min, Max and Max/Min displays

3.2.2.6 Tuning Sound

Switches on and off an audible tone for laser tuning support

3.2.2.7 Relative Measurements

Switches on and off the relative measurement mode

The main display will set to zero, the offset and the absolute power or energy value

will be displayed in the sub displays. The bar graph and needle display will change

to a measurement range from -10% to +10% of the set range.

3.2.3 Display Options

3.2.3.1 Needle Display

3.2.3.2 Data Logging Screens

After pressing the START button the data that are sampled in these screens will be

stored to the built in SD memory card on the selected file until STOP is pressed.

With START the selected file will be overwritten.

Max value indicator

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