Diode laser beam shaping and propagation characteristics

Soskind, Yakov G.

doi:10.1117/12.808352

Cited by 3 publications

(2 citation statements)

References 29 publications

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“…Experimentally observed laser cavity modes often have shapes that are different from the shapes of ideal HG modes of an empty resonator, and are no longer propagation invariant. Apodized HG modes were introduced to describe spatial propagation characteristics of the multimode laser beams [41]. The general multimode field can be represented as an incoherent superposition of the individual apodized cavity modes.…”

Section: Propagation Of Hermite-gaussian Beamsmentioning

confidence: 99%

Micro-optics packaging and integration for structured laser beam shaping

Soskind

2010

SPIE Proceedings

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Micro-optics packaging provides a practical and cost-effective approach for controlling the spatial field distributions of structured laser beams in a variety of photonics applications. Structured laser beams (SLBs) are playing an increasingly important role in ultrahigh resolution microscopy, biophotonics, optical micromanipulation and trapping, laser pumping, materials processing and microfabrication, quantum information, and optical communications. It is shown that the limited aperture sizes, as well as the distortions introduced by micro-optics components during the integration phase, may influence field formation of the structured laser beams, and may alter their spatial characteristics. To avoid the undesirable changes to the field shape of the structured beams during micro-optics design and packaging phases, detailed analysis of the beam propagation characteristics along the optical path is required.

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Section: Propagation Of Hermite-gaussian Beamsmentioning

confidence: 99%

Micro-optics packaging and integration for structured laser beam shaping

Soskind

2010

SPIE Proceedings

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“…In practice a simply defocused Gaussian laser beam is often used as the heat source for surface treatment, although special optics can be installed for desired shape and energy distribution. The defocused beam profile inherits the Gaussian energy distribution of the raw laser beam [6,7,8]. Some previous studies were attempted to solve the temperature field induced by a moving heat source.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Modeling of a Wide Thin Steel Plate Irradiated by a Moving Gaussian Laser Beam

Qiu

Kujanpää²

2013

MSF

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This study developed a thermodynamic model to investigate the quasi-steady thermal process of a wide thin steel workpiece irradiated with a moving Gaussian laser beam. Equations were established for the temperature distribution and the Ac1 and Ac3 boundaries. The temperature distributions for diverse thicknesses were compared with that for infinite thickness at different laser traverse speed. The lag of the peak temperature relative to the center of laser beam is found to be limited.

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Micro-optics packaging and integration for high-power diode laser beam combining

Soskind

2011

SPIE Proceedings

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Diode laser beam shaping and propagation characteristics

Cited by 3 publications

References 29 publications

Micro-optics packaging and integration for structured laser beam shaping

Micro-optics packaging and integration for structured laser beam shaping

Thermodynamic Modeling of a Wide Thin Steel Plate Irradiated by a Moving Gaussian Laser Beam

Micro-optics packaging and integration for high-power diode laser beam combining

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