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  1. G

    spartan 1w vs arctic s3 beam divergence

    Yes, I understand. I've calculated the divergence as 1.422/400 and obtained 0.003555 rad. As beam diameter at the aperture is small compared to other values, we can neglect it.
  2. G

    spartan 1w vs arctic s3 beam divergence

    hm 3.5mrad, it's huge divergence! It means that either optics is bad or bad focus adjustment. Laser must have 1.5mrad or less. However, maybe this new diode produce not monochromatic light(other wavelengths are present). It also can explain big divergence. P.S. Sorry for my not very good...
  3. G

    spartan 1w vs arctic s3 beam divergence

    And what about the Spartan? There are even no detailed specification at the DL site.
  4. G

    spartan 1w vs arctic s3 beam divergence

    I'd like to ask owners of these two models to measure the beam divergence of their lasers and tell the result. Very interesting to have some statistics.


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