Holographic spatial coherence analysis of a laser

Ferreira, Flávio P.; Belsley, M.

doi:10.1364/ol.38.004350

Cited by 3 publications

(1 citation statement)

References 13 publications

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“…9 Experimentally significantly simpler procedures to directly measure the CSD of a light source are based on, e.g., the determination of corresponding phase-space functions, such as the Wigner-distribution function, 10 wavefront sensing, 11 or holography. 12 As we will show in the following, with a certain level of a priori knowledge about the light source, such as the resonator design, the measurement of the beam propagation ratio M 2 may already be sufficient for an accurate estimation of Γ.…”

Section: The Laser Sourcementioning

confidence: 97%

Anamorphic beam shaping for efficient laser homogenization: methods and high power applications

Tillkorn¹,

Heimes²,

Flamm³

et al. 2018

Laser Resonators, Microresonators, and Beam Control XX

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The homogenization of light is widely applied in various industrial sectors. The uniform high power processing of large areas requires a high degree of homogeneity. Sophisticated beam transformation techniques are used to optimize the illumination of standard optical diffusers such as microlens arrays and decrease the contrast of interference. Novel design techniques take advantage of a multimodal approach which is especially adapted to the characteristic properties of the laser light source. We show how anamorphic beam shaping is employed to transform the high power light source in order to meet the required level of homogeneity suited for the respective application.

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Section: The Laser Sourcementioning

confidence: 97%

Anamorphic beam shaping for efficient laser homogenization: methods and high power applications

Tillkorn¹,

Heimes²,

Flamm³

et al. 2018

Laser Resonators, Microresonators, and Beam Control XX

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Experimental determining the coherent-mode structure of vector electromagnetic field through its decomposition in reference basis

Vélez-Juárez

Ostrovsky

2014

Latin America Optics and Photonics Conference

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Experimental determining the coherent-mode structure of vector electromagnetic field through its decomposition in reference basis

Vélez-Juárez¹,

Martínez-Niconoff²,

Munoz-Lopez³

et al. 2014

Opt. Express

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A technique for experimental determining the coherent-mode structure of electromagnetic field is proposed. This technique is based on the coherence measurements of the field in some reference basis and represents a nontrivial vector generalization of the dual-mode field correlation method recently reported by F. Ferreira and M. Belsley [Opt. Lett.38(21), 4350 (2013)]. The justifiability and efficiency of the proposed technique is illustrated by an example of determining the coherent-mode structure of some specially generated and experimentally characterized secondary electromagnetic source.

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Holographic spatial coherence analysis of a laser

Cited by 3 publications

References 13 publications

Anamorphic beam shaping for efficient laser homogenization: methods and high power applications

Anamorphic beam shaping for efficient laser homogenization: methods and high power applications

Experimental determining the coherent-mode structure of vector electromagnetic field through its decomposition in reference basis

Experimental determining the coherent-mode structure of vector electromagnetic field through its decomposition in reference basis

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