Determination of the laser beam quality factor (M2) by stitching quadriwave lateral shearing interferograms with different exposures
![M2 factor, explained by RP Photonics Encyclopedia; laser beam, quality factor, beam divergence, caustic, ISO Standard 11146 M2 factor, explained by RP Photonics Encyclopedia; laser beam, quality factor, beam divergence, caustic, ISO Standard 11146](https://www.rp-photonics.com/previews/m2_factor.png)
M2 factor, explained by RP Photonics Encyclopedia; laser beam, quality factor, beam divergence, caustic, ISO Standard 11146
![Figure 1 from Laser beam quality factor ( M 2 ) measured by distorted fresnel zone plates | Semantic Scholar Figure 1 from Laser beam quality factor ( M 2 ) measured by distorted fresnel zone plates | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/df7724d5cb84e898a48531603ec9c6d47f0ef54c/3-Figure1-1.png)
Figure 1 from Laser beam quality factor ( M 2 ) measured by distorted fresnel zone plates | Semantic Scholar
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![PHOTONICS APPLIED: MATERIALS PROCESSING: Objective lenses for laser materials processing have high thermal stability for high-power lasers | Laser Focus World PHOTONICS APPLIED: MATERIALS PROCESSING: Objective lenses for laser materials processing have high thermal stability for high-power lasers | Laser Focus World](https://img.laserfocusworld.com/files/base/ebm/lfw/image/2016/01/1310lfw05f1.png?auto=format,compress&fit=fill&fill=blur&w=1200&h=630)
PHOTONICS APPLIED: MATERIALS PROCESSING: Objective lenses for laser materials processing have high thermal stability for high-power lasers | Laser Focus World
![Figure 7 from Compact single-pass laser frequency conversion to 780.2 nm and 852.3 nm based on PPMgO:LN bulk crystals and single-frequency diode- laser-seeded fiber amplifiers | Semantic Scholar Figure 7 from Compact single-pass laser frequency conversion to 780.2 nm and 852.3 nm based on PPMgO:LN bulk crystals and single-frequency diode- laser-seeded fiber amplifiers | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/8b0272217da6bf6357494e167832f31d94dd8ac8/4-Figure7-1.png)
Figure 7 from Compact single-pass laser frequency conversion to 780.2 nm and 852.3 nm based on PPMgO:LN bulk crystals and single-frequency diode- laser-seeded fiber amplifiers | Semantic Scholar
Beam quality measurement (M 2 ) of the laser beam at 1013 nm at full... | Download Scientific Diagram
![Beam parameter product, explained by RP Photonics Encyclopedia; BPP, beam quality, radius, divergence, far field Beam parameter product, explained by RP Photonics Encyclopedia; BPP, beam quality, radius, divergence, far field](https://www.rp-photonics.com/img/bpp_vs_m2.png)
Beam parameter product, explained by RP Photonics Encyclopedia; BPP, beam quality, radius, divergence, far field
![Concept Laser's new M2 cusing Multilaser Metal Additive Manufacturing System - Metal Working World Magazine Concept Laser's new M2 cusing Multilaser Metal Additive Manufacturing System - Metal Working World Magazine](https://www.metalworkingworldmagazine.com/files/2015/05/B1-M2-cusing-Multilaser.jpg)
Concept Laser's new M2 cusing Multilaser Metal Additive Manufacturing System - Metal Working World Magazine
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