Fresnel phase retrieval method using an annular lens array on an SLM
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Otros documentos de la autoría: Loriot, Vincent; Mendoza-Yero, Omel; Pérez Vizcaíno, Jorge; Mínguez-Vega, Gladys; De Nalda, R.; Bañares, Luis; Lancis, Jesús
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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Título
Fresnel phase retrieval method using an annular lens array on an SLMAutoría
Fecha de publicación
2014-10Editor
SpringerCita bibliográfica
LORIOT, Vincent; MENDOZA YERO, Omel; PÉREZ VIZCAÍNO, Jorge; MÍNGUEZ VEGA, Gladys; DE NALDA; R.; BAÑARES, L.; LANCIS SÁEZ, Jesús. Fresnel phase retrieval method using an annular lens array on an SLM. Applied Physics B (2014), v. 117, issue 1, pp. 67-73Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://link.springer.com/article/10.1007/s00340-014-5799-9Versión
info:eu-repo/semantics/acceptedVersionPalabras clave / Materias
Resumen
Wavefront aberrations play a major role when focusing an ultrashort laser pulse to a high-quality focal spot. Here, we report a novel method to measure and correct wavefront aberrations of a 30-fs pulsed laser beam. ... [+]
Wavefront aberrations play a major role when focusing an ultrashort laser pulse to a high-quality focal spot. Here, we report a novel method to measure and correct wavefront aberrations of a 30-fs pulsed laser beam. The method only requires a programmable liquid-crystal spatial light modulator and a camera. Wavefront retrieval is based on pupil segmentation with an annular lens array, which allows us to determine the local phase that minimizes focusing errors due to wavefront aberrations. Our method provides accurate results even when implemented with low dynamic range cameras and polychromatic beams. Finally, the retrieved phase is added to a diffractive lens codified onto the spatial light modulator to experimentally demonstrate near-diffraction-limited femtosecond beam focusing without refractive components. [-]
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Applied Physics B (2014), v. 117, issue 1Derechos de acceso
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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