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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/053/02/0307-0319

    • Keywords

       

      Multi mode beam; M2 parameter; diode laser

    • Abstract

       

      An alternative approach is suggested to determine the spot-size of a multi-mode laser beam. It has been shown by simulations that the suggested approach can give the beam quality factor and characteristic radius with less than 5% error. Unlike the power content method, the proposed method is applicable to the beams even with diameter one tenth of the CCD size. The new approach has been applied to a multi-mode diode laser output and it is shown that the ABCD matrix analysis can be used for beam propagation, with the measured parameters of the laser.

    • Author Affiliations

       

      Rakesh Kapoor1 PK Mukhopadhyay1 Jogy George1 SK Sharma1

      1. Solid State Laser Laboratory, Center for Advanced Technology, Indore - 452 013, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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