BeamSquared

BeamSquared

Camera Based Beam Propagation Analyzer: M2
  • ISO compliant
  • Automatically measure your beam quality in under 1 minute
  • Tune your laser for best operation
  • Specifically developed for continuous usage
  • Unequaled accuracy using patented UltracalTM Calibration & long optical train
  • Automatic attenuation adjustment
  • Pulsed and CW for most beam diameters and powers
  • Compact and
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BeamSquared

Specification

  • 266 - 1100nm, 650-1700nm
  • USB 2.0 and 3.0
  • Silicon CCD, InGaAs CCD
  • 2.1mm x 5.3mm, 9.6mm x 7.6mm
  • 1928 x 1448, 320 x 256
  • 3.69µm x 3.69µm, 30µm x 30µm
  • 56 dB, 68dB
  • 26 fps, 100Hz
  • CE, China RoHS
Need help finding the right beam profiler? Try our Beam Profiler Wizard

Software Editions

The BeamSquared automated M2 measurement system is available with the following configurations.
  • BSQ-SP920

    SP90502

    BeamSquared software, software license, SP920 USB 3.0 camera, optical train, automatic and manual operation, recommended for 266nm - 1100nm wavelengths.

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  • BSQ-XC130

    SP90444

    BeamSquared software, software license, XC-130 USB 2.0 camera, optical train, automatic and manual operation, recommended for 900nm - 1700nm wavelengths.

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  • BSQ-A

    SP90445

    BeamSquared software, software license, and optical train no camera included. For use with compatible cameras purchased. Compatible camera must be return to factory for upgrade at no additional charge. If, upon inspection the camera does not meet specifications, a repair change will be applicable.

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  • BSQ-PY-M

    SP90410

    BeamSquared software and software license for manual M2 measurement using a Pyrocam camera (optical train and Pyrocam camera not included)

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Software

  • BeamSquared Software
    BeamSquared is our full-function software with an extensive set of ISO M2 measurements with the ease-of-use and flexibility that customers have come to expect.

Drawings

FAQ

Are the BeamSquared lenses interchangeable from one BeamSquared unit to another?

Because of the design of the lenses for the new BeamSquared, you will be able to use lenses on multiple systems. We have included an RFID chip on each lens which holds the information for that lens. We have also programmed the BeamSquared optical trains to have their calibration information stored in the device. With this improvement the configuration files for pairing optical trains and lenses are no longer required making lenses interchangable.

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Can any BeamGage camera be used with a BeamSquared system?

BeamGage systems and BeamSquared systems are separate and the cameras with them are not always interchangeable.  However, if you currently have an SP300, XC-130, or one of our Pyrocam IIIHR or IV cameras, you can upgrade these cameras to be compatible with the BeamSquared software (Note: Pyrocams are not compatible with the optical train). 
 
The cameras sold with BeamSquared systems are licensed for BeamGage Standard as an added benefit. This allows further analysis with the camera outside of the BeamSquared software.
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Does the BeamSquared internally provide all the necessary attenuation for operation with the direct laser beam?

Before allowing laser energy to enter the instrument, it is important to limit the beam intensity. Excessive laser energy may cause damage to the camera or the internal components of the BeamSquared optical train. 

 

Typically, a CCD camera sensor can be damaged at energy levels in excess of 1 mJ/cm² or at power levels greater than .15 mW/cm². Adjust these input limits downward based on the likely focused spot size resulting from your M² lens focal length. Beam splitters and/or filters may be used to attenuate the beam, but care must be used to prevent the introduction of distortions.

 

During an M² measurement operation, the peak energy density that reaches the camera will change, potentially over several orders of magnitude. This is a result of the camera effectively moving from a larger unfocused spot near the lens, into and through the focus at the waist, and then out again to an unfocused spot (see the Adjusting Brightness section in the manual). The Linear attenuators in the optical train will automatically adjust to accommodate these changes in beam intensity, so long as  the operator, has prudently selected the initial beam intensity. Thus, it is the operator's responsibility to attenuate the laser sufficiently to operate within the safe dynamic range of the BeamSquared system.

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When in the laser life cycle is the M2 measurement the most important?

M² measurement is important if the stability of your laser is important to your process. Taking M² measurements on a frequent basis allows you to see if your laser is stable from time to time. If the results of the M² measurement fluctuate and a noticeable change happens over time, this could help identify problems with consistency in the laser and help prevent negative results to your process where the laser is being utilized.

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Why can my M² unit have an M² measurement less than 1?

There are two common occurrences when M² results are less than 1.  The first and most common of these results from the operator entering the wrong wavelength value. In this case the results are often well below 1, in the .8-.9 range. The second most common cause is due to nominal accuracy tolerances. These are normal and expected. With a 5% M² tolerance results from ~.95 to ~1.05 are possible. Averaging runs will normally return a mean value to something > 1, but not always.

 

It has been suggested that if the M² results are computed to be < 1 we should display a 1 as the answer. However the algorithms in the BeamSquared software make computations and report results as the input settings and the beam samples dictate. This is done to provide useful information to the operator rather than to try and conceal the issue. 

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I have an M2-200s unit and a BeamSquared. Can I run both from the same computer?

The two software programs and their motion controller drivers cannot be installed concurrently. The M2-200s software only supports up to Windows 7 operating systems and uses older motion controller drivers where the BeamSquared software supports up to Windows 10 and uses updated motion controller drivers that are not compatible with the M2-200s system.
To operate them from the same computer requires that the computer be a Windows 7 operating system and that you uninstall the previous program including the motion controller drivers first, then reboot the computer before you can install the other software with its motion controller drivers.

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Videos

BeamSquared BeamSquared
M2 BeamSquared for Analysis of Laser Beam Propagation M2 BeamSquared for Analysis of Laser Beam Propagation M2 BeamSquared for Analysis of Laser Beam Propagation

Now you can automatically measure laser beam quality (M2) in under one minute and tune your laser for best operation.

BeamSquared system is a compact and fully automated tool for measuring the propagation characteristics of CW and pulsed laser systems from the UV to NIR to Telecom wavelengths. You can also measure wavelengths above 1.8 microns, including CO2 and terahertz in manual mode (a bench set-up; without the automated optical train) with a Pyrocam IV or IIIHR.

BeamSquared, a compact and fully automated tool for measuring the propagation characteristics of continuous wave and pulsed laser systems from the UV to NIR to Telecom wavelengths.

Accessories

Customers that purchase the above items also consider the following items:
  • BSQ-SP920-A

    SP90521

    An SP920 camera licensed for BeamSquared. Sold as an accessory for those also purchasing a BSQ-XC130

  • BSQ-Lens Kit 266-1550

    SP90449

    Lens kit that includes 5 BeamSquared lenses: 500mm UV, 500mm VIS, 400mm VIS, 400mm NIR, 400mm XNIR.

  • BSQ-Lens Kit 650-1700

    SP90450

    Lens kit that includes 2 BeamSquared lenses: 400mm NIR, and 400mm XNIR.

  • BSQ-Lens UV 500mm

    SP90451

    Single BeamSquared lens, 500mm focal length, A/R coated for 266-440nm

  • BSQ-Lens VIS 500mm

    SP90452

    Single BeamSquared lens, 500mm focal length, A/R coated for 430-700nm

  • BSQ-Lens VIS 400mm

    SP90453

    Single BeamSquared lens, 400mm focal length, A/R coated for 430-700nm

  • BSQ-Lens NIR 400mm

    SP90454

    Single BeamSquared lens, 400mm focal length, A/R coated for 650-1000nm

  • BSQ-Lens XNIR 400mm

    SP90455

    Single BeamSquared lens, 400mm focal length, A/R coated for 1000-1550nm

  • BSQ-Lens XNIR 600mm

    SP90485

    Single BeamSquared lens, 600mm focal length, A/R coated for 1000-1550nm

  • BSQ SP300 to SP920 upgrade

    SP90511

    Camera upgrade