MS-1780 Laser M2 Measuring System

MS-1780 Laser M² Measuring System

Instant M² Measurement Solution with Silicon Firewire Camera
The ModeScan Model 1780 is a laser beam profiling instrument that measures the M² Beam Propagation Ratio and all associated ISO 11146 parameters instantaneously in real time at video rates to over 20Hz. The measurement technique, patented by Photon Inc., uses 10 reflective
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MS-1780 Laser M2 Measuring System
MS-1780 Laser M2 Measuring System

Specification

  • ~250 - ~1100nm
  • Silicon CCD
  • Firewire
  • 6.49mm x 4.83mm
  • 780 x 580
  • 8.3µm
  • 12 bit A/D Conversion
  • 36 fps
Need help finding the right beam profiler? Try our Beam Profiler Wizard

Software Editions

The MS-1780 instant M2 measurement system is available with the following configurations.
  • MS-1780

    PH00096

    ModeScan Model 1780, dedicated M² measurement system, with 12-bit FireWire (IEEE 1394a) CCD detector for single-shot, pulsed and CW lasers. System includes: ModeScan with gimbaled mount for alignment; FireWire CCD camera; Photon FireWire BeamPro Acquisition and Analysis Software standalone GUI with M² Analysis; Active X automation interface; 200mm lens coated for Visible range (400– 700nm); OD 2.8 glass filter for operation >360nm; Dimensions: 62mm x 140mm x 210mm; For use from 250–1100nm wavelengths - UV and NIR operation will require additional specifically coated optics.

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Software

  • Firewire BeamPro (for ModeScan 1780)
    Firewire BeamPro is our full-function software with a extensive set of ISO M2 measurements with the ease-of-use and flexibility that customers have come to expect.

Drawings

FAQ

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 M²-200/200s 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. 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.

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Does the M2-200 and 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 96). 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 M²-200/200s system.

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End of Life for M2-200 (Long Train)

Ophir-Spiricon LLC would like to thank its customers for the support of our long standing product the M2-200. In an effort to deliver state-of-the-art and high performance products we have decided to discontinue the M2-200 (Long Train) product. We have replaced it with the M2-200S (Short Train) product which offers faster M2 results in a more compact package. In an effort to allow customers to put in a last order for the M2-200 (Long Train) products we will continue to accept orders until July 1st, 2011. Our M2-200S product will continue to be available after that time.

The M2-200 will continue to be supported for repairs and calibrations through our customer service department. customerservice@us.ophiropt.com

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I want to ask about the accuracy specifications on the M2-200-BB. In the specification, it states that typical accuracy is 5%. Is this +/- 5% of the mean measurement, and is this a 1-sigma, 3-sigma, or P-P value?

The spec is given in +/-5% of the mean measurement and is a P-P value.

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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?

If you install M2-200s software v4.91 on a computer that has never had M2-200s software installed on it, it only installs the motor controller driver for our new style motor controller. If you use a M2-200s that is using the old USB controller, the hardware comes up as an Unknown Device in the Windows Device Manager because only the new driver for the new controller is getting installed and not the old driver for the old controller. If you install v4.81, then it installs the old driver for the old controller. Then install v4.91 and it will have the new driver for the new controller, fixing the problem so you can use either style controller.

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Videos

Instantaneous M2 Measurement Instantaneous M2 Measurement
Laser beam profiling, Laser Beam Propagation Factor M2 Explained Laser beam profiling, Laser Beam Propagation Factor M2 Explained Laser beam profiling, Laser Beam Propagation Factor M2 Explained

Dr. Roundy, early laser diagnostic equipment pioneer, explains the Beam Propagation Factor or M2.

If you can't see the video please click here
Measuring M2, Beam Propagation Analyzers Measuring M2, Beam Propagation Analyzers Measuring M2, Beam Propagation Analyzers

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.

If you can't see the video please click here

Introduction to the operation of the Photon ModeScan 1780 Instant M2 instrument. This instrument can measure your laser in real-time, allowing the M2 to be determined for CW, pulsed and even single shot lasers. The video includes tip to make setting up this system even easier.

Tutorials and Articles

M-Squared, The KPI (Key Performance Indicator) of Lasers

With all of today’s technology, we are drowning in data. I know this is true in fields like marketing and running a business, and I’m sure it rings true with measuring your laser as well. There are all sorts of things you can measure, but it’s never worth measuring something unless you plan on doing something with that information.  Read more...

Simple alignment procedure of the MS-1780 Real-Time M² Analyzer

Proper alignment of the MS-1780 is essential for its operation, and this can occasionally seem difficult to achieve. Here is a simple method for making sure the system is properly aligned to get the “first light” conditions that will allow easy fine tuning for experimental results. In order for the system to work properly the laser beam needs to enter the optical center of the aperture on the horizontal axis of the instrument. In order to be able to fine-adjust the beam it is useful to use steering mirrors to direct the beam. These can be mirrors or quartz plate front surface reflectors if Read more...

Reducing Production Bottlenecks Using Real Time Laser Beam Measurements

By Allen Cary, Director of Marketing, Ophir-Spiricon Read more...

Accessories

Customers that purchase the above items also consider the following items. Ophir-Spiricon meters and sensors include a standard manufacturers warranty for one year. Add a one year Extended Warranty to your meter or sensor, which includes one recalibration.
  • UV Lens Kit (MS-UV kit)

    PH00097

    UV lenses are all fused silica plano-convex and coated for UV wavelengths 250-400nm All lens kits contain 200mm, 250mm, 400mm, 500mm, 750mm and 1m focal length coated lens with mounting hardware and MS-Tube Kit.

  • MS-VIS Lens Kit (MS-VIS kit)

    PH00104

    Visible (VIS) lenses are all BK 7 plano-convex and coated for visible wavelengths 450–650nm All lens kits contain 200mm, 250mm, 400mm, 500mm, 750mm and 1m focal length coated lens with mounting hardware and MS-Tube Kit.

  • MS-NIR Lens Kit (MS-NIR kit)

    PH00111

    NIR lenses are all BK-7 Plano-convex and coated for NIR wavelengths 700-1100nm All lens kits contain 200mm, 250mm, 400mm, 500mm, 750mm and 1m focal length coated lens with mounting hardware and MS-Tube Kit.

  • UV200

    PH00098

    200mm focal length lens

  • UV250

    PH00099

    250mm focal length lens

  • UV350

    PH00100

    350mm focal length lens

  • UV500

    PH00101

    500mm focal length lens

  • UV750

    PH00102

    750mm focal length lens

  • UV1000

    PH00103

    1000mm focal length lens

  • VIS200

    PH00105

    200mm focal length lens

  • VIS250

    PH00106

    250mm focal length lens

  • VIS400

    PH00107

    400mm focal length lens

  • VIS500

    PH00108

    500mm focal length lens

  • VIS750

    PH00109

    750mm focal length lens

  • VIS1000

    PH00110

    1000mm focal length lens

  • NIR200

    PH00112

    200mm focal length lens

  • NIR250

    PH00113

    250mm focal length lens

  • NIR400

    PH00114

    400mm focal length lens

  • NIR500

    PH00115

    500mm focal length lens

  • NIR750

    PH00116

    750mm focal length lens

  • NIR1000

    PH00117

    1000mm focal length lens

  • CM-EXT100

    PH00119

    100mm long C-Mount extension tube for mounting lenses outside ModeScan 1780 Box

  • CM-EXT50

    PH00120

    50mm long C-Mount extension tube for mounting lenses outside ModeScan 1780 Box

  • CM-EXT40

    PH00121

    40mm long C-Mount extension tube for mounting lenses outside ModeScan 1780 Box

  • CM-EXT25

    PH00122

    25mm long C-Mount extension tube for mounting lenses outside ModeScan 1780 Box

  • CM-EXT10

    PH00123

    10mm long C-Mount extension tube for mounting lenses outside ModeScan 1780 Box

  • FOCTUBE20-30

    PH00124

    C-Mount fine thread focus tube with 20–30mm adjustable length for focus of lenses mounted to extension tubes

  • FOCTUBE30-50

    PH00125

    C-Mount fine thread focus tube with 30–50mm adjustable length for focus of lenses mounted to extension tubes

  • FOCTUBE50-90

    PH00126

    C-Mount fine thread focus tube with 50–90mm adjustable length for focus of lenses mounted to extension tubes

  • MS-TUBE Kit

    PH00127

    Tube Kit for MS-1780

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