Primes BM+ 60 Operating instructions

Type
Operating instructions

Primes BM+ 60 is a high-precision laser beam profiler that provides comprehensive beam analysis for a wide range of laser sources. With its advanced features and user-friendly interface, the BM+ 60 is an ideal tool for characterizing and optimizing laser systems in various applications, including:

  • Laser research and development
  • Industrial laser processing
  • Medical laser applications
  • Laser safety and compliance testing

The BM+ 60 offers a variety of measurement modes, including single planes measurement, which allows you to capture the beam profile at a specific plane along the beam path. This mode is particularly useful for analyzing beam quality, divergence, and pointing stability.

Primes BM+ 60 is a high-precision laser beam profiler that provides comprehensive beam analysis for a wide range of laser sources. With its advanced features and user-friendly interface, the BM+ 60 is an ideal tool for characterizing and optimizing laser systems in various applications, including:

  • Laser research and development
  • Industrial laser processing
  • Medical laser applications
  • Laser safety and compliance testing

The BM+ 60 offers a variety of measurement modes, including single planes measurement, which allows you to capture the beam profile at a specific plane along the beam path. This mode is particularly useful for analyzing beam quality, divergence, and pointing stability.

BeamMonitor BM+
BM+ 60, BM+ 100
LaserDiagnosticsSoftware LDS
35,0(6
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Operating Manual
Translation of the original instructions
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IMPORTANT!
READ CAREFULLY BEFORE USE.
KEEP FOR FUTURE USE.
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Table of contents
1 Basic safety instructions 7
2 Symbol explanations 9
3 About this operating manual 10
4 Conditions at the installation site 10
5 Introduction 11
5.1 System description .................................................................................................................11
5.2 Measuring principle .................................................................................................................11
5.3 Short overview installation .......................................................................................................12
6 Transport 13
7 Installation 13
7.1 Safety instructions ................................................................................................................... 13
7.2 Preparation .............................................................................................................................14
7.3 Installation position .................................................................................................................. 14
7.4 Align the BeamMonitor BM+ ...................................................................................................15
7.5 Install the BeamMonitor BM+ ..................................................................................................15
7.5.1 Install the BeamMonitor BM+ 60 ............................................................................... 16
7.5.2 Install the BeamMonitor BM+ 100 ............................................................................. 17
8 Electrical connections 18
8.1 Connections ............................................................................................................................18
8.2 Pin assignment .......................................................................................................................19
8.2.1 Power supply ............................................................................................................ 19
8.2.2 PRIMES bus RS485 ..................................................................................................19
8.3 Connection to the PC and establishing the power supply ........................................................ 20
8.4 Connection of the BeamMonitor BM+ and PowerMonitor PM48/100 to the PC .....................21
9 Status display 22
10 Measuring 23
10.1 Safety instructions ................................................................................................................... 23
10.2 Connect the BeamMonitorBM+ with the LaserDiagnosticsSoftwareLDS................................24
10.2.1 Connect device .........................................................................................................24
10.2.2 Change the network address of a connected device ................................................. 24
10.3 Performing a single planes measurement ................................................................................25
10.3.1 Selecting the measuring mode single planes ............................................................. 25
10.3.2 Performing a manual or automatic beam search (Device control > Settings) ........... 26
10.3.3 Configuring advanced settings (Device control > Advanced) ..................................27
10.3.4 Starting measurement ............................................................................................... 28
10.3.5 Measurement results display .....................................................................................28
11 Troubleshooting 29
12 Maintenance and service 29
13 Product disposal measures 29
14 Declaration of conformity 30
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15 Technical data 31
16 Dimensions 32
16.1 BeamMonitor BM+ 60 .............................................................................................................32
16.2 BeamMonitor BM+ 100 ...........................................................................................................33
17 Appendix 34
17.1 System control (option) ...........................................................................................................34
17.2 Variety of detectors .................................................................................................................34
17.3 Replace the detector ............................................................................................................... 35
17.3.1 Remove cover ...........................................................................................................35
17.3.2 Disassemble the detector .........................................................................................35
17.3.3 Assemble the detector ..............................................................................................37
17.3.4 Replace cover ........................................................................................................... 37
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PRIMES - The Company
PRIMES manufactures measuring devices used to analyze laser beams. These devices are employed for
the diagnostics of high-power lasers ranging from CO2 lasers and solid-state lasers to diode lasers. A wave-
length range from infrared through to near UV is covered, offering a wide variety of measuring devices to
determine the following beam parameters:
Laser power
Beam dimensions and position of an unfocused beam
Beam dimensions and position of a focused beam
Beam quality factor M²
PRIMES is responsible for both the development, production, and calibration of the measuring devices. This
guarantees optimum quality, excellent service, and a short reaction time, providing the basis for us to meet all
of our customers’ requirements quickly and reliably.
PRIMES GmbH
Max-Planck-Str. 2
64319 Pfungstadt
Germany
Tel +49 6157 9878-0
www.primes.de
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1 Basic safety instructions
Intended Use
The BeamMonitor BM+ has been designed exclusively for measurements carried out in or near the optical
path of high-power lasers. Please observe and adhere to the specifications and limit values given in chap-
ter15, „Technical data“, on page31. Other uses are considered to be improper. The information contained
in this operating manual must be strictly observed to ensure proper use of the device.
Using the device for unspecified use is strictly prohibited by the manufacturer. By usage other than intended
the device can be damaged or destroyed. This poses an increased health hazard up to fatal injuries. When
operating the device, it must be ensured that there are no potential hazards to human health.
The device itself does not emit any laser radiation. During the measurement, however, the laser beam is
guided onto the device which causes reflected radiation (laser class 4). That is why the applying safety regu-
lations are to be observed and necessary protective measures need to be taken.
Observing applicable safety regulations
Please observe valid national and international safety regulations as stipulated in ISO/CEN/TR standards as
well as in the IEC-60825-1 regulation, in ANSI Z 136 “Laser Safety Standards” and ANSI Z 136.1 “Safe Use
of Lasers”, published by the American National Standards Institute, and additional publications, such as the
“Laser Safety Basics”, the “LIA Laser Safety Guide”, the “Guide for the Selection of Laser Eye Protection”
and the “Laser Safety Bulletin”, published by the Laser Institute of America, as well as the “Guide of Control
of Laser Hazards” by ACGIH.
Necessary safety measures
DANGER
Serious eye or skin injury due to laser radiation
Depending on the measuring principle used, the laser beam is reflected at the measuring tip
(laser class4). The reflected beam is usually not visible.
X
In measurement mode, a safety distance of one meter to the BeamMonitor BM+ must be
maintained even when wearing safety goggles and safety clothing.
X
Please take the following precautions.
If people are present within the danger zone of visible or invisible laser radiation, for example near laser
systems that are only partly covered, open beam guidance systems, or laser processing areas, the following
safety measures must be implemented:
Please wear safety goggles (OD 6) adapted to the power, power density, laser wave length and operat-
ing mode of the laser beam source in use.
Depending on the laser source, it may be necessary to wear suitable protective clothing or protective
gloves.
Protect yourself from direct laser radiation, scattered radiation, and beams generated from laser radiation
(by using appropriate shielding walls, for example, or by weakening the radiation to a harmless level).
Use beam guidance or beam absorber elements that do not emit any hazardous substances when they
come in to contact with laser radiation and that can withstand the beam sufficiently.
Install safety switches and/or emergency safety mechanisms that enable immediate closure of the laser
shutter.
Ensure that the device is mounted securely to prevent any movement of the device relative to the beam
axis and thus reduce the risk of scattered radiation. This in the only way to ensure optimum performance
during the measurement.
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Employing qualified personnel
The device may only be operated by qualified personnel. The qualified personnel must have been instructed
in the installation and operation of the device and must have a basic understanding of working with high-
power lasers, beam guiding systems and focusing units.
Conversions and modifications
The device must not be modified, neither constructionally nor safety-related, without our explicit permission.
The device must not be opened e.g. to carry out unauthorized repairs. Modifications of any kind will result in
the exclusion of our liability for resulting damages.
Liability disclaimer
The manufacturer and the distributor of the measuring devices do not claim liability for damages or injuries
of any kind resulting from an improper use or handling of the devices or the associated software. Neither the
manufacturer nor the distributor can be held liable by the buyer or the user for damages to people, material
or financial losses due to a direct or indirect use of the measuring devices.
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2 Symbol explanations
The following symbols and signal words indicate possible residual risks:
DANGER
Means that death or serious physical injuries will occur if necessary safety precautions are not
taken.
WARNING
Means that death or serious physical injuries may occur if necessary safety precautions are not
taken.
CAUTION
Means that minor physical injury may occur if necessary safety precautions are not taken.
NOTICE
Means that property damage may occur if necessary safety precautions are not taken.
The following symbols indicating requirements and possible dangers are used on the device:
Hand injuries warning
Read and observe the operating instructions and safety guidelines before startup!
Further symbols that are not safety-related:
Here you can find useful information and helpful tips.
With the CE designation, the manufacturer guarantees that its product meets the requirements of
the relevant EC guidelines.
X
Call for action
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3 About this operating manual
This documentation describes the installation and configuration of the BeamMonitor BM+ and the execution
of measurement with the PRIMES LaserDiagnosticsSoftware LDS.
The LaserDiagnosticsSoftware LDS must be installed on the PC for measuring operation of the BeamMonitor
BM+. The basic version of the LaserDiagnosticsSoftware LDS is included in the scope of delivery for the
device.
For a detailed description of the software installation, file management and evaluation of the measured data,
please refer to the separate operating manual LaserDiagnosticsSoftware LDS.
4 Conditions at the installation site
The device must not be operated in a condensing atmosphere.
The ambient air must be free of organic gases.
Protect the device from splashes of water and dust.
Operate the device in closed rooms only.
DANGER
Fire and explosion hazards due to scattered or directed laser radiation
When the BeamMonitor BM+ is being operated, the irradiation must be fully absorbed be-
hind the measurement zone. Fire bricks or other partly-absorbing surfaces are not suitable.
X
Use an adequate absorber. Dependent on the application, PRIMES offers suitable absorbers,
such as the PowerMonitor PM48/100.
X
Don’t store any flammable materials or highly flammable substances at the measuring loca-
tion.
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5 Introduction
5.1 System description
The BeamMonitorBM+ is an opto-mechanical scanning measurement system for analyzing continuous irra-
diation. The device measures the power density distribution of the raw beam. The LaserDiagnosticsSoftware
LDS uses this to calculate the beam position, beam dimensions, beam symmetry, and power density distri-
bution.
The BeamMonitor BM+ can be mounted in any desired position.
5.2 Measuring principle
The BeamMonitorBM+ is used to analyze the unfocused, continual, high-power laser beam of CO2 or NIR
lasers.
A rotating measuring tip scans the laser beam along the x-axis. During this process, the very small mirror in
the measuring tip separates out a small part of the radiation.
The horizontal carrier moves the measuring tip along the y-axis in order to measure the beam properties of
the laser beam on the x-y-plane. Another mirror finally guides the measurement signal to the detector.
Detector
Horizontal carrier
Measuring tip
with mirror
x
y
Laser beam
y
xMirror
Fig. 5.1: Optomechanical design of the BeamMonitor BM+
Using various detectors with varying degrees of sensitivity, the BeamMonitor BM+ can be adapted to meet
the unique demands of beam diagnostics within a broad wavelength and power density range.
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5.3 Short overview installation
1. Installing the LaserDiagnosticsSoftware LDS on the computer
Software is part of the scope of delivery
See separate Operating Manual
of the LaserDiagnosticsSoftware
LDS
2. Taking safety precautions Chapter 1 on page 7
3. Prepare Installation
Observe safety instructions
Make preparations
Set installation position
Chapter 7 on page 13
4. Electrical connection
Establish voltage supply
Chapter 8 on page 18
5. Connect with the computer
Via Ethernet or LAN
Chapter 8.3 on page 20
6. Connect with the PowerMonitor PM48/100
Via RS485
Chapter 8.4 on page 21
7. Perform the measurement
Observe safety instructions
Perform a sample measurement
Chapter 10 on page 23
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6 Transport
NOTICE
Damage/Destruction of the device
Optical components may be damaged if the device is subjected to hard shocks or is allowed
to fall.
X
Handle the device carefully when transporting or installing it.
X
To avoid contamination, cover the apertures with the provided lid or optical tape.
X
Only transport the device in the original PRIMES transport box.
7 Installation
7.1 Safety instructions
Areas on the device that could be particularly hazardous for hand injuries are marked with the following pic-
togram:
Hand injuries warning
CAUTION
Risk of injury caused by rotating parts
The measuring tip of the BeamMonitor BM+ rotates at high speed during the measuring
operation.
X
Do not reach into or hold any objects into the beam entrance of the device (see Fig. 7.1 on
page 13).
Rotating measuring tip
Fig. 7.1: Danger due to the rotating measuring tip using the example of the BM+ 100
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7.2 Preparation
Check the space available before mounting the device, especially the required space for the connection cables.
The device must be firmly assembled and must be mounted with screws (see chapter 7.5 on page 15).
DANGER
Fire and explosion hazards due to scattered or directed laser radiation
When the BeamMonitor BM+ is being operated, the irradiation must be fully absorbed be-
hind the measurement zone. Fire bricks or other partly-absorbing surfaces are not suitable.
X
Use an adequate absorber. Dependent on the application, PRIMES offers suitable absorbers,
such as the PowerMonitor PM48/100.
X
Don’t store any flammable materials or highly flammable substances at the measuring loca-
tion.
7.3 Installation position
The BeamMonitor BM+ can also be mounted horizontally or vertically.
Beam incidence
Mounting surface
BeamMonitor BM+
Beam incidence
Mounting surface
BeamMonitor BM+
Beam incidence
Mounting surface
BeamMonitor BM+
Beam incidence
Mounting surface
BeamMonitor BM+
Horizontal installation Vertical installation
Fig. 7.2: Installation positions of the BeamMonitor BM+
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7.4 Align the BeamMonitor BM+
For the BeamMonitorBM+, the beam must enter vertically to the x-y-plane.
The laser beam must hit the inlet aperture in the middle.
DANGER
Serious eye or skin injury due to laser radiation
If the ratio of the laser beam diameter to the aperture diameter is too large, increased scat-
tered or directed reflection of the laser beam (laser class 4) will occur during measuring
operation. The housing of the BeamMonitor BM+ can heat up.
X
The laser beam diameter must not exceed 0.7 times the aperture diameter.
X
Especially in case of laser with high beam quality, the laser beam diameter must not exceed
0.6 times the aperture diameter. Otherwise, a falsification of the measuring results due to the
cutting off of border fields is to be expected.
Especially when it comes to the determination of radii according to the second moment
method, measuring errors are otherwise possible.
7.5 Install the BeamMonitor BM+
DANGER
Serious eye or skin injury due to laser radiation
If the device is moved from its calibrated position, increased scattered or directed reflection
of the laser beam occurs during measuring operation (laser class 4).
X
Mount the device so that it cannot be moved by an unintentional knock or cables being
pulled accidentally.
NOTICE
Damage/Destruction of the device
Too long fastening screws can damage internal components in the device.
X
The fastening screws must not be screwed in more than 10mm into the housing.
There are four threaded holes M6 in the mounting surface of the housing for assembly on a support bracket
provided by the customer (see Fig. 7.3 on page 16 and Fig. 7.4 on page 17).
Please use at least four screws to fasten the device. The total length of the screws depends on the dimen-
sions of the customer’s support bracket. The dimensioned arrangement of the mounting holes is specified in
chapter16, „Dimensions“, on page32.
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7.5.1 Install the BeamMonitor BM+ 60
Beam
M6 M6
M6 M6
Fig. 7.3: Mounting holes on the BeamMonitor BM+ 60
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7.5.2 Install the BeamMonitor BM+ 100
Beam
M6 M6
M6 M6
Fig. 7.4: Mounting holes on the BeamMonitor BM+ 100
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8 Electrical connections
The BeamMonitor BM+ requires a voltage supply of 24V±5% (DC) for the operation. A suitable power sup-
ply is included in the scope of delivery.
Data is transmitted between the BeamMonitor BM+ and PC via the Ethernet connection.
Another device, such as a PowerMonitor PM48/100, can be connected to the BeamMonitorBM+ via the
RS485 interface (PRIMES bus). The signal from the PowerMonitor PM48/100 is transmitted through the
BeamMonitor BM+ to the PC via the Ethernet interface. The additional measuring device is powered by the
power supply of the BeamMonitor BM+.
Please use only the provided PRIMES power supply and connection lines.
Please ensure that all electrical connections have been established and switch the device on before
starting the LaserDiagnosticsSoftware LDS.
The BeamMonitor BM+ serves as a dongle for the software on the computer in order to enable
certain software functions.
8.1 Connections
Status displayOn/Off switch Ethernet
RS485
Power supply connection
Fig. 8.1: BeamMonitor BM+ connections using the example of the BM+ 100
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8.2 Pin assignment
8.2.1 Power supply
Harting M12-P-PCB-THR-2PC-5P-LCOD-M-STR
FE
41
23
Pin Function
1 +24V
2 Not assigned
3 GND
4 Not assigned
5 FE (functional earth)
Tab. 8.1: Connection socket for the power supply
8.2.2 PRIMES bus RS485
Pin arrangement D-sub socket, 9-pin (view of plug-in side)
1
5
69
Pin Function
1 GND
2 RS485 (+)
3 +24V
4 Not assigned
5 Not assigned
6 GND
7 RS485 (–)
8 +24V
9 Not assigned
Tab. 8.2: D-sub socket, PRIMES bus
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8.3 Connection to the PC and establishing the power supply
Ethernet
LAN
or
Patch cable
LMax= 1.8m
PRIMES power supply
BeamMonitor BM+
LMax= 2.0m
Crossover cable
Ethernet
PC
Fig. 8.2: Connection of BeamMonitor BM+ using the example of the BM+ 100
Connect the BeamMonitor BM+ to the PC via a crossover cable or to the network via a patch cable.
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Primes BM+ 60 Operating instructions

Type
Operating instructions

Primes BM+ 60 is a high-precision laser beam profiler that provides comprehensive beam analysis for a wide range of laser sources. With its advanced features and user-friendly interface, the BM+ 60 is an ideal tool for characterizing and optimizing laser systems in various applications, including:

  • Laser research and development
  • Industrial laser processing
  • Medical laser applications
  • Laser safety and compliance testing

The BM+ 60 offers a variety of measurement modes, including single planes measurement, which allows you to capture the beam profile at a specific plane along the beam path. This mode is particularly useful for analyzing beam quality, divergence, and pointing stability.

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