Precession optomechanics - EECS @ UMich
... applied on this structure are distributed torque (Eq. (2) for the bent regions, zero load at the straight regions and zero motion at the ends where they are mechanically mounted. Upon deformation, the torque from Eq. (2) is modified as a function of the local deformed radius. We iteratively take thi ...
... applied on this structure are distributed torque (Eq. (2) for the bent regions, zero load at the straight regions and zero motion at the ends where they are mechanically mounted. Upon deformation, the torque from Eq. (2) is modified as a function of the local deformed radius. We iteratively take thi ...
Confocal microscopy with a volume holographic filter
... is out of focus. We sampled only five planes along ŷ and one along ẑ to minimize inaccuracies that were due to the backlash of the translation stage and the decay of the hologram. A dense three-dimensional scan could have been obtained with a piezoelectric def lector and a fixed hologram. In concl ...
... is out of focus. We sampled only five planes along ŷ and one along ẑ to minimize inaccuracies that were due to the backlash of the translation stage and the decay of the hologram. A dense three-dimensional scan could have been obtained with a piezoelectric def lector and a fixed hologram. In concl ...
Focusing of light through a stratified medium: a practical
... the various polarization contributions, these extremal rays are considered to be transmitted without reflections, namely with constant intensity, an assumption which may be questionable for high incidence rays or when large differences exist in the refraction indices. As a consequence, one can quest ...
... the various polarization contributions, these extremal rays are considered to be transmitted without reflections, namely with constant intensity, an assumption which may be questionable for high incidence rays or when large differences exist in the refraction indices. As a consequence, one can quest ...
1 Macleod ‐ Thin Film Optics
... increases the efficiency of a filament‐based lamp by directing the heat content back to the filament. Although the silver‐based coatings shown earlier present useful characteristics they do not have sufficient resistance to the high temperatures of the lamp envelopes and so the lamp coatings have ...
... increases the efficiency of a filament‐based lamp by directing the heat content back to the filament. Although the silver‐based coatings shown earlier present useful characteristics they do not have sufficient resistance to the high temperatures of the lamp envelopes and so the lamp coatings have ...
Ultra-thin plasmonic optical vortex plate based on phase
... charge of the vortex beam and is related to the orbital angular momentum L of photons by the relationship L ¼ hl, where h is the Planck constant.7 Optical beams with such helical phase profile are conventionally generated using spiral phase plates,8 spatial light modulators,9 or holograms.10 This ...
... charge of the vortex beam and is related to the orbital angular momentum L of photons by the relationship L ¼ hl, where h is the Planck constant.7 Optical beams with such helical phase profile are conventionally generated using spiral phase plates,8 spatial light modulators,9 or holograms.10 This ...
Exercise 13 Geometrical and Technical Optics WS 2013/2014
... In this case the aberrations for 40 mm beam diameter are (again first surface at z=-6 mm and second surface at z=0 mm): =587.6 nm: z_Focus: 92.981 mm, spot radius: 0.161 mm, P/V wave aberrations: 20.57 =486.1 nm: z_Focus: 91.955 mm, spot radius: 0.162 mm, P/V wave aberrations: 25.18 =656.3 nm ...
... In this case the aberrations for 40 mm beam diameter are (again first surface at z=-6 mm and second surface at z=0 mm): =587.6 nm: z_Focus: 92.981 mm, spot radius: 0.161 mm, P/V wave aberrations: 20.57 =486.1 nm: z_Focus: 91.955 mm, spot radius: 0.162 mm, P/V wave aberrations: 25.18 =656.3 nm ...
Suppression of stimulated Brillouin scattering in
... Stimulated Brillouin scattering (SBS) is a nonlinear process that can occur in optical fibers at relatively low input power levels [1]. It manifests as the generation of a backward-propagating Stokes wave, downshifted in frequency from the incident light by an amount equal to the acoustic-wave frequ ...
... Stimulated Brillouin scattering (SBS) is a nonlinear process that can occur in optical fibers at relatively low input power levels [1]. It manifests as the generation of a backward-propagating Stokes wave, downshifted in frequency from the incident light by an amount equal to the acoustic-wave frequ ...
A simple experiment on diffraction of light by interfering liquid
... with the circular ripples that propagate radially outward. Dropping two such pebbles simultaneously at two nearby locations would result in interfering waves on the water surface. Most textbooks1 on waves and optics include photographs of such interfering water waves while introducing the notion of ...
... with the circular ripples that propagate radially outward. Dropping two such pebbles simultaneously at two nearby locations would result in interfering waves on the water surface. Most textbooks1 on waves and optics include photographs of such interfering water waves while introducing the notion of ...
Optics - Frederiksen
... a cooling fan which keeps the housing cool enough to touch even though the lamp is rated at 15 watts of electrical power. 2800.30 Student Reuter lamp ...
... a cooling fan which keeps the housing cool enough to touch even though the lamp is rated at 15 watts of electrical power. 2800.30 Student Reuter lamp ...
Dual-color total internal reflection fluorescence cross
... a very thin 共⬍100 nm兲 optical excitation depth formed by an evanescent wave above a glass substrate, TIR fluorescence detection achieves an exceptional axial resolution and allows for the study of important cellular processes, in particular at or near the cellular membrane.1 Prominent biological app ...
... a very thin 共⬍100 nm兲 optical excitation depth formed by an evanescent wave above a glass substrate, TIR fluorescence detection achieves an exceptional axial resolution and allows for the study of important cellular processes, in particular at or near the cellular membrane.1 Prominent biological app ...
Laser tweezers and their applications
... noticed that the particles (in addition to being "pushed" by the beam) were also drawn towards the central axis of the beam. The optical fountain[8] operates by this principle. In this device, a diverging laser beam is directed upwards (i.e. opposite direction to gravity), and a particle may then be ...
... noticed that the particles (in addition to being "pushed" by the beam) were also drawn towards the central axis of the beam. The optical fountain[8] operates by this principle. In this device, a diverging laser beam is directed upwards (i.e. opposite direction to gravity), and a particle may then be ...
A Carpet Cloak Device for Visible Light
... a reflective layer (the carpet). To achieve cloaking, the raised protrusion (the bump) created in the reflective layer is mapped to a flat plane and the resulting 2D index profile forms a carpet cloak device. In contrast to resonant optical structures [16,17], QCM carpet cloak provides a broadband l ...
... a reflective layer (the carpet). To achieve cloaking, the raised protrusion (the bump) created in the reflective layer is mapped to a flat plane and the resulting 2D index profile forms a carpet cloak device. In contrast to resonant optical structures [16,17], QCM carpet cloak provides a broadband l ...
Analysis of Optical Systems I
... If θ1 exceeds θc the boundary acts as a very good mirror, as illustrated in Fig. (14.3b). This phenomenon is called total internal reflection. Several types of reflecting prisms operate this way. When total internal reflection occurs, there is no transmission of energy through the boundary. However, ...
... If θ1 exceeds θc the boundary acts as a very good mirror, as illustrated in Fig. (14.3b). This phenomenon is called total internal reflection. Several types of reflecting prisms operate this way. When total internal reflection occurs, there is no transmission of energy through the boundary. However, ...
Microscopes - Biozentrum
... attached to a robust U shaped foot to provide the necessary rigidity. The arm is usually able to pivot on its joint with the foot to allow the viewing angle to be adjusted. Mounted on the arm are controls for focusing, typically a large knurled wheel to adjust coarse focus, together with a smaller k ...
... attached to a robust U shaped foot to provide the necessary rigidity. The arm is usually able to pivot on its joint with the foot to allow the viewing angle to be adjusted. Mounted on the arm are controls for focusing, typically a large knurled wheel to adjust coarse focus, together with a smaller k ...
OFC - GEOCITIES.ws
... Intermodal dispersion does not exist (only one mode exist). With careful choice of material, dimension and wavelength dispersion can be made extremely small. Low dispersion makes it suitable for use with high data rates. Fibre is costly Multimode Step Index Fibre: Its core has larger diameter than S ...
... Intermodal dispersion does not exist (only one mode exist). With careful choice of material, dimension and wavelength dispersion can be made extremely small. Low dispersion makes it suitable for use with high data rates. Fibre is costly Multimode Step Index Fibre: Its core has larger diameter than S ...