Search Results - "Vohnsen, B."

On the spectral relation between the first and second Stiles-Crawford effect by Vohnsen, B.

“…The first Stiles-Crawford effect describes the psychophysical visibility dependence on pupil point for a narrow beam of light incident on the eye. Its…”
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A direct comparison between a MEMS deformable mirror and a liquid crystal spatial light modulator in signal-based wavefront sensing by Jewel, A. R., Akondi, V., Vohnsen, B.

“…Aberrations degrade the performance of optical systems in terms of resolution and signal-to-noise ratio. This work explores the feasibility of a signal-based…”
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Second-harmonic microscopy of ex vivo porcine corneas by VOHNSEN, B, ARTAL, P

“…The ex vivo cornea of porcine eyes has been studied with second-harmonic microscopy with a laboratory-built system to examine the structure of collagen fibrils…”
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Hartmann-Shack wavefront sensing for nonlinear materials characterization by Rativa, D, de Araujo, R E, Gomes, A S, Vohnsen, B

“…We present two new techniques exploiting a Hartmann-Shack wavefront sensor to characterize the optical self-focusing effect of nonlinear materials. We…”
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Near‐ and far‐field second‐harmonic imaging of quasi‐phase‐matching crystals by Vohnsen, B., Bozhevolnyi, S. I.

“…Second‐harmonic scanning near‐ and far‐field optical microscopy of an electric‐field poled KTiOPO4 quasi‐phase‐matching crystal has been accomplished. This has…”
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Single-beam flickering for characterization of the Stiles-Crawford effect across the visible spectrum by Lochocki, B., Vohnsen, B.

“…Abstract only…”
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Optical characterization of probes for photon scanning tunnelling microscopy by Vohnsen, B., Bozhevolnyi, S. I.

“…The photon scanning tunnelling microscope is a well‐established member of the family of scanning near‐field optical microscopes used for optical imaging at the…”
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On the spectral relation between the first and second Stiles-Crawford effect: The Stiles-Crawford Effects and Photoreceptor Optics by VOHNSEN, B

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Exploring the Stiles-Crawford effect of the first kind with coherent light and dual Maxwellian sources by Castillo, Sara, Vohnsen, Brian

“…The visual impact of light obliquely incident on the retina is diminished due to the Stiles-Crawford effect of the first kind. It is normally analyzed by…”
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The integrated Stiles-Crawford effect for coherent and incoherent extended sources by Vohnsen, B., Lochocki, B., Vela, C.

“…Abstract only…”
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Near/Far-Field Investigations of the Interaction between Surface Waves and Nanoparticles by Sterligov, V.A., Cheyssac, P., Kofman, R., Lysenko, S.I., Lytvyn, P.M., Vohnsen, B., Bozhevolnyi, S.I., Maradudin, A.A.

“…Results of experimental studies of the scattering of electromagnetic surface waves by metal nanoparticles (NPs) located at different distances of a silver film…”
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Absence of an integrated Stiles-Crawford function for coherent light by Vohnsen, Brian, Rativa, Diego

“…The Stiles-Crawford effect that relates visibility to pupil point is typically expressed by a Gaussian function at any given wavelength of illumination. The…”
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Guided light and diffraction model of human-eye photoreceptors by Vohnsen, Brian, Iglesias, Ignacio, Artal, Pablo

“…The photoreceptors of the living human eye are known to exhibit waveguide-characteristic features. This is evidenced by the Stiles-Crawford effect observed for…”
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Directional imaging of the retinal cone mosaic by Vohnsen, Brian, Iglesias, Ignacio, Artal, Pablo

“…We describe a near-IR scanning laser ophthalmoscope that allows the retinal cone mosaic to be imaged in the human eye in vivo without the use of wave-front…”
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Polarimetric high-resolution confocal scanning laser ophthalmoscope by Bueno, Juan M., Vohnsen, Brian

“…A polarimetric high-resolution confocal scanning laser ophthalmoscope has been developed. The system incorporates a fixed linear polarizer in the illumination…”
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Directional light scanning laser ophthalmoscope by Vohnsen, Brian, Iglesias, Ignacio, Artal, Pablo

“…The cone photoreceptor mosaic of the living human eye has in a limited number of cases been imaged without the use of wavefront-correction techniques. To…”
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Direct visualization of evanescent optical waves by Papathanassoglou, Dimitri A., Vohnsen, Brian

“…The existence of evanescent optical waves is usually demonstrated by the observation of transmitted light in frustrated total-internal-reflection experiments…”
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Near-Field Optical Holography by Bozhevolnyi, SI, Vohnsen, B

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Transfer functions in collection scanning near-field optical microscopy by Bozhevolnyi, Sergey I., Vohnsen, Brian, Bozhevolnaya, Elena A.

“…It is generally accepted that, if in collection near-field optical microscopy the probe—sample coupling can be disregarded, a fiber probe can be considered as…”
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Comment on "Local observations of phase singularities in optical fields in waveguide structures" by Vohnsen, B, Bozhevolnyi, S I

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