Precision High Numerical Aperture Scanning System for
... developed for writing custom 3D refractive index modifications into ophthalmic hydrogels [1]. These results can be applied to the development of custom contact lenses, or customizing the refractive corrections in Intraocular lenses (IOLs). Recently, a design methodology has been demonstrated for wri ...
... developed for writing custom 3D refractive index modifications into ophthalmic hydrogels [1]. These results can be applied to the development of custom contact lenses, or customizing the refractive corrections in Intraocular lenses (IOLs). Recently, a design methodology has been demonstrated for wri ...
Femtosecond pulse propagation in silicon waveguides: Variational
... they are coupled with each other. More to the point, they show which linear and nonlinear process affect a particular pulse parameter. Considerable physical insight is gained by noting that the pulse width in Eq. (12) is affected directly not only by the dispersion parameter (as expected) but also b ...
... they are coupled with each other. More to the point, they show which linear and nonlinear process affect a particular pulse parameter. Considerable physical insight is gained by noting that the pulse width in Eq. (12) is affected directly not only by the dispersion parameter (as expected) but also b ...
- Europhysics News
... distance from the source (pinhole) to the center of the screen (CCD chip); andf(~) is the contrast image (hologram) on the screen obtained by subtracting the images with and without the object present. The function K(r) is significantly structured and different from zero only in the space region occ ...
... distance from the source (pinhole) to the center of the screen (CCD chip); andf(~) is the contrast image (hologram) on the screen obtained by subtracting the images with and without the object present. The function K(r) is significantly structured and different from zero only in the space region occ ...
Quadriwave lateral shearing interferometry
... around the interferogram fringe frequency. However, at this point, it lacks some gradient information to recover a full two dimensional phase-field. Multiwave interferometry [18] extends this principle to more than one gradient direction. In the case of QWLSI, four replicas are created by a specific ...
... around the interferogram fringe frequency. However, at this point, it lacks some gradient information to recover a full two dimensional phase-field. Multiwave interferometry [18] extends this principle to more than one gradient direction. In the case of QWLSI, four replicas are created by a specific ...
Full-Text PDF
... a direct consequence of the Bloch theorem [1,2] applied to the wavefunction of electrons. Similarly, optical waves propagating in periodically stratified media are subject to the same theorem giving rise to the existence of ranges of frequencies for which no propagation is allowed, so-called optical ...
... a direct consequence of the Bloch theorem [1,2] applied to the wavefunction of electrons. Similarly, optical waves propagating in periodically stratified media are subject to the same theorem giving rise to the existence of ranges of frequencies for which no propagation is allowed, so-called optical ...
Diffractive read-out of optical disks
... control theory, electronics, signal coding and cryptography to chemistry and solidstate physics. Several books [2]-[9] have appeared that are devoted to one or several of the subjects mentioned above. This chapter will be limited to purely optical aspects of the optical storage systems. In Section 2 ...
... control theory, electronics, signal coding and cryptography to chemistry and solidstate physics. Several books [2]-[9] have appeared that are devoted to one or several of the subjects mentioned above. This chapter will be limited to purely optical aspects of the optical storage systems. In Section 2 ...
Design study of a Magneto-Optical Trap for laser cooling of rubidium
... to excited states, that correspond to wavelengths in the visible or near infra red (NIR) regions. They can also easily be generated in atomic beams. These two properties make them very suitable for cold atom experiments. Natural rubidium contains two isotopes 85 Rb (72 %) and 87 Rb (28 %). The two i ...
... to excited states, that correspond to wavelengths in the visible or near infra red (NIR) regions. They can also easily be generated in atomic beams. These two properties make them very suitable for cold atom experiments. Natural rubidium contains two isotopes 85 Rb (72 %) and 87 Rb (28 %). The two i ...
Physics and Computation of Aero-Optics
... 1961) and is relatively well understood. Because of the large temporal and spatial scales associated with atmospheric turbulence, its aberrating effects are of low frequency (< 100 Hz) and can be largely corrected using Adaptive-Optic (AO) systems (e.g. Lloyd-Hart 2003, Hardy 1998). In contrast, the ...
... 1961) and is relatively well understood. Because of the large temporal and spatial scales associated with atmospheric turbulence, its aberrating effects are of low frequency (< 100 Hz) and can be largely corrected using Adaptive-Optic (AO) systems (e.g. Lloyd-Hart 2003, Hardy 1998). In contrast, the ...
The structure of the energy bands and optical absorption in osmium
... obtained by electro-spark cutting of single-crystals along ( 1000) and ( 1100) faces. The accuracy of the orientation of the faces to within k2" was monitored by the Laue backreflection x-ray method. The specimens were polished with a micropowder with 5 p m size grains, and then electropolished to o ...
... obtained by electro-spark cutting of single-crystals along ( 1000) and ( 1100) faces. The accuracy of the orientation of the faces to within k2" was monitored by the Laue backreflection x-ray method. The specimens were polished with a micropowder with 5 p m size grains, and then electropolished to o ...
Cold atoms: A field enabled by light - HAL
... BEC-BCS crossover, which continuously connects the phenomenon of Bose-Einstein condensation (when fermions form tightly-bound molecules with bosonic character) to the mechanism of BCS pairing (when they form weaklybound Cooper pairs), which is responsible for the lack of dissipation in ordinary supe ...
... BEC-BCS crossover, which continuously connects the phenomenon of Bose-Einstein condensation (when fermions form tightly-bound molecules with bosonic character) to the mechanism of BCS pairing (when they form weaklybound Cooper pairs), which is responsible for the lack of dissipation in ordinary supe ...
Chapter 22: Reflection and Refraction of Light
... Einstein took it one step further to explain the photoelectric effect. o Thus creating photons, or tiny particles of energy that are transferred by a light wave. Because light has wave like and particle like properties, light is then described by a wave-particle duality. Electromagnetic Waves ...
... Einstein took it one step further to explain the photoelectric effect. o Thus creating photons, or tiny particles of energy that are transferred by a light wave. Because light has wave like and particle like properties, light is then described by a wave-particle duality. Electromagnetic Waves ...
Photoinduced handedness switching in terahertz chiral metamolecules ARTICLE
... chirality. Similar approaches of incorporating semiconductors into subwavelength resonators have been used to actively manipulate the electromagnetic resonances of metamaterials by photoexcitation or electric bias23–26. The chirality switching in the above terahertz metamaterials was experimentally ...
... chirality. Similar approaches of incorporating semiconductors into subwavelength resonators have been used to actively manipulate the electromagnetic resonances of metamaterials by photoexcitation or electric bias23–26. The chirality switching in the above terahertz metamaterials was experimentally ...
