Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Summary of Contents for Gentec Beamage M2
- Page 1 Beamage-M² User Manual Revision 6...
- Page 2 Gentec-EO agent. Gentec-EO Inc. assumes no risk of damage during transit. Gentec-EO Inc. will, at its discretion, repair or replace the defective product free of charge or refund your purchase price. However, if Gentec-EO Inc. determines that the failure is caused by misuse, alterations, accident, or abnormal conditions of operation or handling, it would therefore not be covered by the warranty.
- Page 3 Connect the equipment to an outlet that is on a different circuit than the receiver. • Consult the dealer or an experienced radio/TV technician for help. Caution: Changes or modifications not expressly approved in writing by Gentec-EO Inc. may void the user’s authority to operate this equipment.
-
Page 4: Table Of Contents
Beamage-M² User Manual Revision 6 TABLE OF CONTENTS BEAMAGE-M² ..............................0 1.1. -M2 ......................0 NCLUDED WITH YOUR EAMAGE 1.2..............................0 NTRODUCTION 1.3............................1 PECIFICATIONS 1.4..........................3 MECHANICAL DESCRIPTION 1.4.1. Mechanical properties .........................3 1.4.2. Schematic ............................5 BEAMAGE-M² SETUP ............................6 2.1......................6 ECHANICAL AND ELECTRICAL SETUP 2.2. - Page 5 Beamage-M² User Manual Revision 6 7.10............................42 THER SSUES DECLARATION OF CONFORMITY ......................43 UKCA DECLARATION OF CONFORMITY....................45 APPENDIX A. ISO11146 AND ISO11670 DEFINITIONS ..................47 APPENDIX B. RECYCLING AND SEPARATION PROCEDURE FOR WEEE ........... 50...
- Page 6 Beamage-M² User Manual Revision 6 TABLE OF FIGURES 1-1: A ..............3 IGURE SSEMBLED UTOMATED EASUREMENT YSTEM 1-2: C ....................3 IGURE OMPLETE MECHANICS TOP VIEW 1-3: B -M² ................ 4 IGURE EAMAGE MODULE TOP SIDE AND FRONT VIEW 1-4: A ..............
-
Page 7: Beamage-M²
SM1-BNC adapter USB stick Pelican transport case 1.2. INTRODUCTION Gentec-EO’s Beamage beam profiler now has a powerful ally in its quest towards M measurement: The Automated M Measurement System, Beamage-M². With its low profile and smart hardware, Beamage-M² is easy to set up on any optical table. Intended for use with a Beamage camera, equipped with a rapid... -
Page 8: Specifications
Beamage-M² User Manual Revision 6 1.3. SPECIFICATIONS M² System Beamage-M² Wavelength Range 350-1100 nm Attenuation Range ND0 - ND0.5 - ND1 - ND2 - ND1.5 - ND2.5 - ND3 - ND3.5 Beam Diameter Range 55 µm to 11.3 mm (at Beamage) Damage Threshold See specifications for Beamage-4M Translation Stage... - Page 9 Beamage-M² User Manual Revision 6 Camera Specifications See Beamage-4M manual Sensor Technology CMOS without cover glass Pixel Dimension 5.5 µm Pixel Count 4.2 MPixels 12 bits Frame Rate See Beamage-4M Manual Minimum and Maximum Exposure Time 0.06 ms - 200 ms USB 3.0 ports for optimal performance USB Port USB 2.0...
-
Page 10: Mechanical Description
Beamage-M² User Manual Revision 6 1.4. MECHANICAL DESCRIPTION 1.4.1. Mechanical properties The overall appearance of the fully assembled Beamage-M² is shown below. A casing covers the moving parts to protect them from dust and to prevent accidental misalignment of the factory-adjusted mirror (M4). Figure 1-1: Assembled Automated M Measurement System Figure 1-2: Complete mechanics top view... -
Page 11: Figure 1-3: Beamage-M² Module Top, Side And Front View
Beamage-M² User Manual Revision 6 #10–32 Camera set screw (use 3/32” hex screwdriver) Figure 1-3: Beamage-M² module top, side and front view... -
Page 12: Schematic
Beamage-M² User Manual Revision 6 1.4.2. Schematic Iris Figure 1-4: Automated M Measurement System schematic Alignment mirrors M1 and M2 allow the user to align the beam through the lens and on the Beamage. M1 is mounted on a translation stage that allows a better centring on the mirror pair, while M2 is mounted on a fixed post. -
Page 13: Beamage-M² Setup
Beamage-M² User Manual Revision 6 2. BEAMAGE-M² SETUP Before a measurement, make sure that the entire device is in good condition and ready to work. This section shows how to perform the set-up and verify that each component is working properly. 2.1. -
Page 14: Laser Alignment
Beamage-M² User Manual Revision 6 2.2. LASER ALIGNMENT The first time the Beamage-M² is being used, the laser must be aligned correctly to ensure that the beam fits entirely on the camera’s sensor. The mechanics simplify this task by putting all the optics at the same height. The mirrors on the moving stage are factory-aligned so that the user should never need to adjust them. -
Page 15: Figure 2-3: Alignment Tube
Beamage-M² User Manual Revision 6 o. In the Advanced tab, click on the M² button. Two (2) new tabs open and the translation stage automatically connects to the computer. p. Click on the right arrow in the Manual Settings, this moves the stage to the farthest possible position. -
Page 16: Software And Drivers Setup
The update begins automatically. 2. Download the latest Beamage Installer at the following address: https://www.gentec-eo.com/resources/download-center. 3. Click on the Install All button and follow the installation instructions. Figure 2-4: Beamage Installer... -
Page 17: Quick M 2 Measurement
Beamage-M² User Manual Revision 6 3. QUICK M MEASUREMENT Start-up the PC-Beamage software. Figure 3-1: PC-Beamage logo Select the serial number of the camera recognized on the Beamage Selector pop-up; click OK. Figure 3-2: Beamage camera selector pop-up Turn on the laser you want to measure and make sure it is aligned according to section 2.2. In the software, under the Advanced tab, click the M button to activate the M²... -
Page 18: Figure 3-4: Software Setup : Step 5
Beamage-M² User Manual Revision 6 Under M² Setup, fill in the Laser Wavelength and Focal Length fields. Figure 3-4: Software setup: step 5. Click RUN M² SETUP. Click Yes to automatically start an M² measurement once the SETUP phase is completed. Figure 3-5: Select the action following the setup phase Execute the tasks required to obtain good measurement conditions during the setup phase. -
Page 19: Figure 3-6: Software Requires The Laser Beam To Be Blocked
Beamage-M² User Manual Revision 6 Block the laser beam when the following pop-up appears: Figure 3-6: Software requires the laser beam to be blocked to execute the background noise subtraction Release the laser blocking once the Please block your laser pop-up disappears to let the Beamage- M²... -
Page 20: Theory
Beamage-M² User Manual Revision 6 4. THEORY 4.1. UNDERSTANDING THE M FACTOR The M factor, which is unit-less, can be considered a quantitative indicator of a laser beam quality. It indicates the deviation of the measured beam from a theoretical Gaussian beam of the same wavelength. It can be mathematically defined as the ratio between the Beam Parameter Product (beam waist radius multiplied by divergence half-angle θ) of the measured beam with the theoretical Gaussian beam. - Page 21 Beamage-M² User Manual Revision 6 Mathematically, it is given by the following equation: ��( �� ��ℎ �� �� ��ℎ �� Far from the beam waist, the beam expansion becomes linear and the theoretical divergence half-angle �� (half of the angle shown in Figure 4-1) can be obtained by evaluating the limit of the beam radius’s ��ℎ...
-
Page 22: Practical Measurement
Beamage-M² User Manual Revision 6 4.1.2. Practical Measurement In order to measure the M factor, multiple slices of the beam within and beyond one Rayleigh Length along the propagation axis must be considered (see Figure 4-2). For each one, the second order spatial moment beam radius ��(��) is measured. -
Page 23: M 2 Measurement Controls
Beamage-M² User Manual Revision 6 5. M MEASUREMENT CONTROLS The controls allowing an M measurement are toggled by clicking on the M button, under the Advanced tab. It also adds an M display button. Figure 5-1: M main control buttons... -
Page 24: M² Images Controls
Beamage-M² User Manual Revision 6 5.1. M² IMAGES CONTROLS The PC-Beamage software saves the images of each beam slice on the hard drive of your computer. These images facilitate the analysis of the results by allowing the user to consult them once the measurement is completed. -
Page 25: M 2 Advanced Button
Beamage-M² User Manual Revision 6 5.1.2. M Advanced button The M Advanced button, under the M Open button, activates the advanced M mode. This mode can be used to measure the M factor of nearly Gaussian laser beams. It must be used carefully as it can return erroneous values if the beam undergoes many modifications along its path. -
Page 26: Clear M² Buffer Button
Beamage-M² User Manual Revision 6 5.1.5. Clear M² Buffer button The Clear M² Buffer erases all the beam slices currently stored into the Data box. It will also delete the current M² calculations executed from the data being erased. Figure 5-7: Clear M² Buffer 5.1.6. -
Page 27: Open M² File
Beamage-M² User Manual Revision 6 5.2.1. Open M² File Load an *.m2geo file containing the complete information of a saved M measurement: the beams and the images that correspond to these measurements will be loaded. This process can take several seconds. The PC-Beamage Software uses hard drive space to load the *.m2geo files that contain M²... -
Page 28: Figure 5-13: Less Than 255 Mb Of Available Space On The Hard Disk
Beamage-M² User Manual Revision 6 Figure 5-13: Less than 255 Mb of available space on the hard disk Warning • You will be notified when you start the PC-Beamage software and you will have a notification when you press on the load button as well as each time that you restart the PC-Beamage software. -
Page 29: Export M² Data Only Button
Beamage-M² User Manual Revision 6 5.2.2. Export M² Data Only button Exports all the calculated and measured M² data as a *.txt file that can be used in an Excel spreadsheet. The file contains the following information: • Measurement parameters: Wavelength of the laser beam Focal length of the lens Diameter definition mode... -
Page 30: Print M² Report Button
Beamage-M² User Manual Revision 6 5.2.4. Print M² Report button A customized print report has been created for the M mode. Figure 5-16: Print M² Report button Figure 5-17: M print report You can print the M² report even without a connected Beamage camera. Just load a * .m2geo file and press the Print M²... -
Page 31: M² Setup Tab
Beamage-M² User Manual Revision 6 5.3. M² SETUP TAB The M² Setup tab allows you to control the beam path length for every spot size you need to measure. Figure 5-18: M² Setup tab • : Input fields required for identifying the laser and lens used in order to obtain correct calculations. -
Page 32: M 2 Fixed Values
Beamage-M² User Manual Revision 6 5.3.1. M Fixed Values As seen in Section 4 (Theory), the wavelength of the laser plays a crucial role in the calculation of the waist position and minimal beam radius (�� ). Note that if you change the laser and/or the lens, it is necessary to update these values manually. -
Page 33: User-Defined Scan
Beamage-M² User Manual Revision 6 5.3.3. User-Defined Scan User-Defined Scan is employed to set the optical path lengths at which beam slices are to be measured by the Beamage-M measurement system. Note that a background subtraction must be executed before the User-Defined Scan buttons can be used. -
Page 34: Figure 5-22: Start Button
Beamage-M² User Manual Revision 6 • The Spacing options let you choose whether you prefer to have a Specified Distance between two measurements or a specific number of steps (Specified Steps) in the chosen interval. • The Distance (Lens to Sensor) determines the limits of the carrier’s travel and is expressed in millimetres. -
Page 35: Figure 5-25: Curve Fit Passes Under Zero
Beamage-M² User Manual Revision 6 If the quadratic fit curve passes under zero, the PC-Beamage software will try to solve the problem by deleting the measurements farthest from ��0 and by automatically recalculating the value of M². The PC- Beamage software will also offer a recommended travel distance between −3.5���� and 3.5���� to correct the problem (see Figure 5-25). -
Page 36: Manual Frames
Beamage-M² User Manual Revision 6 Figure 5-27: Calculate M² button 5.3.4. Manual Frames In case you wish to add points at specific beam path lengths, write the distance (in millimeters) at which the data must be taken and click the Add button. This can be done several times if needed. The arrow buttons allow you to go quickly at one end or the other of the moving stage. -
Page 37: Figure 5-30: Data Section
Beamage-M² User Manual Revision 6 Click on any data on the list to select it. When the camera is not streaming, the corresponding beam measurement will be shown on the Display panel. • The values X diameters and Y diameters are calculated according to the chosen definition 4 sigma (ISO) or 1/e along crosshairs (13.5%). - Page 38 Beamage-M² User Manual Revision 6 Delete button The Delete button removes the selected (highlighted) row(s) from the Data box. To delete more than one row in the list, select multiple rows using the mouse and the Ctrl key. To do so, hold the Ctrl key on your keyboard and select the rows to be deleted with the mouse.
-
Page 39: M² Results
Beamage-M² User Manual Revision 6 5.4. M² RESULTS Calculations executed from the acquired data are centralized in the M² Results tab. Figure 5-32: M² Results tab • Parameters: Results of the calculations for the beam profile on the “X” axis. •... -
Page 40: Before Lens
Beamage-M² User Manual Revision 6 5.4.1. Before lens These are the beam parameters derived from those measured and calculated in the After Lens box in either “X” or “Y” axis: z0: Position of the “natural” beam waist relative to the lens. d0: Diameter of the “natural”... -
Page 41: M 2 Calculation
Beamage-M² User Manual Revision 6 Figure 5-34: Calculation results of the focused beam after the lens 5.4.3. M Calculation M²: Calculated M value of the beam as defined in section 4. BPP: Beam Parameter Product, defined as the product of the measured divergence times the waist ������... -
Page 42: Display Window
Beamage-M² User Manual Revision 6 5.5. DISPLAY WINDOW After an acquisition, the data points and the paraboloids approximating them appear on the M display window. The graphic shows beam diameters (µm) as functions of the lens to sensor distance (mm). The graphic is automatically generated when you press the Calculate M button. -
Page 43: M² Manual Method
Beamage-M² User Manual Revision 6 6. M² MANUAL METHOD The Manual M method is the simplest of the M measurement methods and is ideal for stable laser beams. To manually measure the M factor of your laser, you will need an imaging lens and a system to measure the distance between the lens and the sensor plane of the camera. -
Page 44: Procedure For Manual Measurement
Beamage-M² User Manual Revision 6 6.1. PROCEDURE FOR MANUAL MEASUREMENT This procedure explains how to execute an M² measurement with a Beamage camera without the need to use a Beamage-M² system. It requires the use of a lens, a Beamage camera, some hardware to align and keep them on the laser beam’s optical axis, and a ruler. - Page 45 Beamage-M² User Manual Revision 6 8) To obtain an accurate M measurement, you must add images of the beam from the Far Field (beyond 2 Rayleigh lengths) and from either side of the waist in the Near Field (within 1 Rayleigh length).
-
Page 46: Troubleshooting And Tips
• If the problem persists, please disconnect the Beamage and connect it again. • If the problem still persists, please contact your Gentec-EO representative or contact us at service@gentec-eo.com. 7.5. TIPS TO INCREASE THE FRAME RATE The Beamage’s frame rate greatly depends upon the computer’s performance. Here are a few tips to increase the frame rate: •... -
Page 47: The Beam Disappears From The Sensor
Change the lens for a shorter focal length to raise divergence. 4. ZR > 58 mm a. The Rayleigh length is too long to return a Gentec approved commercial M² measurement (7 ZR must fit within the stage’s range). -
Page 48: The Beam Is Too Weak To Start An Automatic Acquisition
Beamage-M² User Manual Revision 6 7.9. THE BEAM IS TOO WEAK TO START AN AUTOMATIC ACQUISITION There may be many causes for a weak beam: too much attenuation in the optical path, a measurement taken too far from the waist, and more. Some beams will lose too much intensity to be correctly measured when they get far from the waist. -
Page 49: Other Issues
Beamage-M² User Manual Revision 6 7.10. OTHER ISSUES NOTE: The Beamage must not be disconnected while streaming. 1. Curve fit passes below 0 a. The measurement is made too far away from the waist: i. We have too many points beyond -3.5Zr and 3.5Zr. ii. -
Page 50: Declaration Of Conformity
Revision 6 8. DECLARATION OF CONFORMITY Application of Council Directive(s): 2014/30/EU The EMC Directive Manufacturer’s Name: Gentec Electro Optics, Inc. Manufacturer’s Address: 445, rue Saint-Jean Baptiste, suite 160 Québec (Canada) G2E 5N7 European Representative’s Name: Laser Components S.A.S. Representative’s Address:... - Page 51 Beamage-M² User Manual Revision 6 I, the undersigned, hereby declare that the equipment specified above conforms to the above Directive(s) and Standard(s). Place: Québec (Québec) Date : July 14, 2017 (President)
-
Page 52: Ukca Declaration Of Conformity
Revision 6 9. UKCA DECLARATION OF CONFORMITY Application of Council Directive(s): 2014/30/EU The EMC Directive Manufacturer’s Name: Gentec Electro Optics, Inc. Manufacturer’s Address: 445 Saint-Jean Baptiste, suite 160 Québec (Canada) G2E 5N7 European Representative’s Name: Laser Components S.A.S. Representative’s Address:... - Page 53 Beamage-M² User Manual Revision 6 I, the undersigned, hereby declare that the equipment specified above conforms to the above Directive(s) and Standard(s). Place: Québec (Québec) Date : December 7, 2021 (President)
-
Page 54: Appendix A. Iso11146 And Iso11670 Definitions
Beamage-M² User Manual Revision 6 APPENDIX A. ISO11146 AND ISO11670 DEFINITIONS The beam centroid coordinates are given by: ∞ ∞ �� ( ��, ��, �� ) ���������� ∫ ∫ −∞ −∞ ��̅ ( �� ) = ∞ ∞ �� ( ��, ��, �� ) �������� ∫... - Page 55 Beamage-M² User Manual Revision 6 �� �� �� �� �� �� �� �� �� �� �� In the laboratory or usual system of coordinates (X’, Y’, Z’), the coordinates of the latest calculated position of the centroid for both X’ and Y’ axes are given by the following equations: ∞...
- Page 56 Beamage-M² User Manual Revision 6 In the three previous equations, the standard deviations are defined by the following equations: ∑ ��̅ �� �� = √ �� �� �� − 1 ∑ �� ̅ �� �� = √ �� �� �� − 1 ∑...
-
Page 57: Appendix B. Recycling And Separation Procedure For Weee
Beamage-M² User Manual Revision 6 APPENDIX B. RECYCLING AND SEPARATION PROCEDURE FOR WEEE This section is used by the recycling center when the Beamage-M² reaches its end of life. Breaking the calibration seal or opening the Beamage’s case will void the warranty. The complete Beamage-M²... - Page 58 Beamage-M² User Manual Revision 6...