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| | Encyclopedia of Laser Physics and Technology - beam parameter product, BPP, beam quality, radius, divergence, far field (Site not responding. Last check: 2007-11-01) |
 | | Encyclopedia of Laser Physics and Technology - beam parameter product, BPP, beam quality, radius, divergence, far field |
 | | Equipment for measuring the beam parameter product can be purchased from: |
 | | The beam parameter product (BPP) of a laser beam is defined as the product of beam radius (measured at the beam waist) and the beam divergence half-angle (measured in the far field). |
| www.rp-photonics.com /beam_parameter_product.html (275 words) |
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