Diffractive optics for spectral control of the supercontinuum generated in sapphire with femtosecond pulses
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Other documents of the author: Romero, Carolina; Borrego Varillas, Rocío; Camino, Acner; Mínguez-Vega, Gladys; Mendoza-Yero, Omel; Hernández Toro, Juan; Vázquez de Aldana, Javier R.
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/43662
comunitat-uji-handle3:10234/43643
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Title
Diffractive optics for spectral control of the supercontinuum generated in sapphire with femtosecond pulsesAuthor (s)
Date
2011Publisher
Optical Society of AmericaISSN
1094-4087Bibliographic citation
Optics Express (2011), vol. 19, no. 6, pp. 4977-4984Type
info:eu-repo/semantics/articlePublisher version
http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-19-6-4977Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
We propose the use of kinoform diffractive lenses to focus near infrared femtosecond pulses in sapphire crystals for supercontinuum generation. It is shown that a strongly peaked structure appears in the blue region ... [+]
We propose the use of kinoform diffractive lenses to focus near infrared femtosecond pulses in sapphire crystals for supercontinuum generation. It is shown that a strongly peaked structure appears in the blue region of the supercontinuum spectra. The central wavelength of this peak can be easily controlled by simply changing the lens-crystal distance. Moreover, when compared with the supercontinuum generated with a refractive lens in analogous conditions, the spectral extension of the so-generated continuum is larger. Our results were corroborated for sapphire plates with different thicknesses as well as in other transparent dielectrics such as fused silica. [-]
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© 2011 Optical Society of America. This paper was published in [Optics Express] and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-19-6-4977]
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