M²-200s Laser M² Measuring System
This camera-based M² measurement system accurately analyzes lasers with wavelengths from 266nm - 1300nm with its silicon camera. It features a compact portable design, automatic attenuation filter adjustment, ISO compliant measurements, and operates in CW or Pulsed modes which makes it ideal for comprehensive analysis of lasers of most beam diameters and powers.
- Beam Sizes of 500µm
- 266 - 1300nm
- Silicon CCD
- USB 2.0 and 3.0
- 5.3mm x 7.1mm
- 1928 x 1448
- 56 dB
- 26 fps
M2-200s software, software license, SP300 USB 3.0 camera, short optical train, automatic and manual operation, recommended for 266nm - 1300nm wavelengths.Request a Quote
M2-200 software, software license, short optical train, automatic and manual operation, recommended for 266nm - 1300nm wavelengths (SP300 camera not included)Request a Quote
Manual mode M2-200s software, software license, SP300 USB 3.0 camera, manual operation with a SP300 camera (optical train not included)Request a Quote
I just installed the latest M2-200s software on my new computer and I get a message stating Windows can’t install the driver for the motor controller. How do I fix this?
Please check your computer operating system. Currently our software is only compatible with Windows XP, and Windows 7 32 bit or 64 bit. If you are installing on Windows 8, 8.1, or 10, we do not have drivers for these operating systems yet. We are working to release an updated application with updated drivers that will support Windows 10. Please check our web site for an updated version of the M2-200s software. If you are using one of the supported operating systems, than the driver for the motor controller probably did not install correctly. Please contact our Service Department at firstname.lastname@example.org for instructions on how to reinstall the motor controller for your specific operating system.Close
Are M2-200s lenses interchangeable from one unit to another?
It is NOT recommended to interchange the lenses between units. The M2-200s lenses are unique and serialized for the particular M2-200s unit they are provided with. Each lens includes calibration information for the Effective Focal Length and Back Focal Length that are entered into the specific serialized configuration files for each M2-200s. If lenses are interchanged between units, accuracy can be degraded. If lenses are lost or broken, we can replace them. If specific configuration files are lost, we do keep backup copies of them and can email them to you.Close
Can any BeamGage camera be used with a M2-200s system?
The BeamGage systems and M2-200s systems are separate and the cameras with them are not interchangeable. However, the cameras with M2-200s systems are licensed for BeamGage Standard as an added benefit since the M2-200s is specifically limited to only M2 measurement. That way, further analysis can be performed using the camera with an M2 system, which is not provided only in the M2 software.Close
Does the M2-200s 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 M² optical train.
Typically, a CCD camera imager 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 Figure 21 on page 91). The optical train will automatically adjust to accommodate these changes in beam intensity, so long as you, the operator, have prudently selected the initial beam intensity. Thus, it is your responsibility to attenuate the laser sufficiently to operate within the safe dynamic range of the M²-200s system.Close
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.Close
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 have to do with 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 for results <1 is due to nominal accuracy tolerances. These are normal and expected. With a 5% M² tolerance results from ~.95 to ~1.05 are very possible. Averaging runs will normally return a mean value to something > than 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 NanoModeScan software make computations and report results as the input settings and the beam samples dictate. This is done so as to provide useful information to the operator rather than to try and conceal something.Close
VideosMeasuring M2, Beam Propagation Analyzers Measuring M2, Beam Propagation Analyzers
Dr. Roundy, early laser diagnostic equipment pioneer, explains the Beam Propagation Factor or M2.If you can't see the video please click here
Is your laser beam optimized for your application? In this video, we show why laser developers and manufacturers rely on M2 measurements to design and tune the laser beam quality of their lasers. We also find out how knowing your laser's M2 can benefit your application.If you can't see the video please click here
Laser beam quality cannot be determined from a single beam profile measurement. Watch a demo of the Ophir-Spiricon M2-200 beam propagation analyzer as it calculates M2 by focusing the beam with a fixed position lens of known focal length and then measuring the characteristics of the artificially created beam waist and divergence from the near field to the far field.If you can't see the video please click here
Is your laser beam optimized for your application? In this video, we explain M2, the single value that describes how your beam correlates to a true TEM00 single-mode Gaussian beam. M2 describes how well your beam is focused on a surface. Knowing your beams M2 value allows you control the success of your laser application. Learn why laser developers and manufacturers rely on M2 measurements to design and maintain the quality of their lasers, and how knowing M2 can benefit you.
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