Practical Aspects of Mirror Usage in Optical Systems for
... the previous section had never been ...
... the previous section had never been ...
Practical Aspects of Mirror Usage in Optical Systems for
... the previous section had never been ...
... the previous section had never been ...
Properties of a 4Pi confocal fluorescence microscope
... spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of the type-A 4Pi confocal fluorescence microscope (4Pi illumination and normal detection), the illumination point-spre ...
... spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of the type-A 4Pi confocal fluorescence microscope (4Pi illumination and normal detection), the illumination point-spre ...
Lecture 11: Semiconductor lasers and light
... • Epoxy lenses can also enhance the extraction efficiency e – a lens with a refractive index close to that of the semiconductor reduces index mismatch, and thus optimizes the extraction of light from the semiconductor into the epoxy. (epoxy : semiconductor ~ 1.5 : 3.5) In practice, epoxy lenses ca ...
... • Epoxy lenses can also enhance the extraction efficiency e – a lens with a refractive index close to that of the semiconductor reduces index mismatch, and thus optimizes the extraction of light from the semiconductor into the epoxy. (epoxy : semiconductor ~ 1.5 : 3.5) In practice, epoxy lenses ca ...
Modeling of Lithium Niobate Ridge Waveguides - Rays
... m and n are two modal orders which are obtained by solving an eigenvalue equation from the resulting process of solving the wave equations found in Section 2.8. For the purpose of this study it is enough to say that m = n = 0 is the fundamental mode which is equivalent with single-mode propagation a ...
... m and n are two modal orders which are obtained by solving an eigenvalue equation from the resulting process of solving the wave equations found in Section 2.8. For the purpose of this study it is enough to say that m = n = 0 is the fundamental mode which is equivalent with single-mode propagation a ...
Optical and acoustic beam shaping for imaging and
... Figure 6-2 Reflection of the beam with less axial photon momentum by lens. ...
... Figure 6-2 Reflection of the beam with less axial photon momentum by lens. ...
Alkali-metal atoms in laser fields: optical pumping, coherent
... thesis deals with three aspects and applications of alkali-metal atoms, in particular rubidium (Rb). Optical pumping changes both the amplitudes and the center positions of the absorption profiles in the Doppler-broadened D-line spectra of the alkali-metal atoms. This effect has been studied by redu ...
... thesis deals with three aspects and applications of alkali-metal atoms, in particular rubidium (Rb). Optical pumping changes both the amplitudes and the center positions of the absorption profiles in the Doppler-broadened D-line spectra of the alkali-metal atoms. This effect has been studied by redu ...
Laser Beams and Resonators
... and which is unstable, it is useful to plot a stability diagram on which each resonator type is represented by a point. This is shown in Fig. 4 where the parameters d/R, and d/R 2 are drawn as the coordinate axes; unstable systems are represented by points in the shaded areas. Various resonator type ...
... and which is unstable, it is useful to plot a stability diagram on which each resonator type is represented by a point. This is shown in Fig. 4 where the parameters d/R, and d/R 2 are drawn as the coordinate axes; unstable systems are represented by points in the shaded areas. Various resonator type ...
Resolution scaling in STED microscopy
... fluorescent state everywhere within the focal region by means of stimulated emission, except at the zero intensity point and its proximity, thereby confining the spatial extent of effective molecular excitation and hence of fluorescence. The depletion is driven by de-excitation through stimulated em ...
... fluorescent state everywhere within the focal region by means of stimulated emission, except at the zero intensity point and its proximity, thereby confining the spatial extent of effective molecular excitation and hence of fluorescence. The depletion is driven by de-excitation through stimulated em ...
A high-resolution magnetic tweezer for single
... Sensitivity comparison. We tested the relative sensitivity of the two approaches by comparing the radial intensity profiles from diffraction to those from RICM for two bead heights, corresponding to the open and closed state of the DNA hairpin S20T8 (Figure 4b and c). For the same change in bead heigh ...
... Sensitivity comparison. We tested the relative sensitivity of the two approaches by comparing the radial intensity profiles from diffraction to those from RICM for two bead heights, corresponding to the open and closed state of the DNA hairpin S20T8 (Figure 4b and c). For the same change in bead heigh ...
Theory of optical pulse propagation, dispersive and nonlinear effects
... self-phase modulation followed by dispersive delay plays a central role in modern ultrashort-pulse laser systems. Pulse propagation in a dispersive, nonlinear medium with k2 < 0, δ > 0: optical solitons Nonlinearity and dispersion of opposite sign, if acting after each other, may result in shortenin ...
... self-phase modulation followed by dispersive delay plays a central role in modern ultrashort-pulse laser systems. Pulse propagation in a dispersive, nonlinear medium with k2 < 0, δ > 0: optical solitons Nonlinearity and dispersion of opposite sign, if acting after each other, may result in shortenin ...
Color-changing and color-tunable photonic bandgap fiber textiles
... the fiber surface, or through fiber microbending. Moreover, specialty fibers have been demonstrated capable of transverse lasing [15, 16], with additional applications in security and target identification. Recently, flexible displays based on emissive fiber textiles have received considerable atten ...
... the fiber surface, or through fiber microbending. Moreover, specialty fibers have been demonstrated capable of transverse lasing [15, 16], with additional applications in security and target identification. Recently, flexible displays based on emissive fiber textiles have received considerable atten ...
PDF - Grueber Lab
... Conventional light-sheet imaging techniques illuminate the sample from the side using a thin sheet of light, and acquire images of the illuminated plane using an orthogonally aligned second objective3-5. The sample is then translated relative to this co-aligned plane to form a 3D volumetric image. T ...
... Conventional light-sheet imaging techniques illuminate the sample from the side using a thin sheet of light, and acquire images of the illuminated plane using an orthogonally aligned second objective3-5. The sample is then translated relative to this co-aligned plane to form a 3D volumetric image. T ...
Slow light in various media: a tutorial
... a large amount of work has been performed in recent years, with slow light propagation attained in diverse media such as metal vapors with and without electromagnetically induced transparency (EIT), rare-earth-doped materials, Raman and Brillouin fiber optical amplifiers, photonic crystal waveguides ...
... a large amount of work has been performed in recent years, with slow light propagation attained in diverse media such as metal vapors with and without electromagnetically induced transparency (EIT), rare-earth-doped materials, Raman and Brillouin fiber optical amplifiers, photonic crystal waveguides ...
LEP 2.6.07 Helium Neon Laser
... recombination process of the laser cycle takes place on its walls. As far as the active material is concerned, the diameter of the capillary should be as small as possible to enable an optimal laser output, but it should not be too small as to block the path of the fundamental mode. The course which ...
... recombination process of the laser cycle takes place on its walls. As far as the active material is concerned, the diameter of the capillary should be as small as possible to enable an optimal laser output, but it should not be too small as to block the path of the fundamental mode. The course which ...
HERCULES_Neutron_reflectivity
... time of each neutron at the detector relative to the start of each pulse, with shorter wavelengths arriving first and corresponding to high values of q. On steady state reactor beams, a pair of mechanical choppers is used to define a pulse of neutrons, with separation and length of individual pulses ...
... time of each neutron at the detector relative to the start of each pulse, with shorter wavelengths arriving first and corresponding to high values of q. On steady state reactor beams, a pair of mechanical choppers is used to define a pulse of neutrons, with separation and length of individual pulses ...
Direct observation of light focusing by single photoreceptor cell nuclei
... a standard bright field microscope setup with a piezoelectrically-driven objective to scan along the optical axis and capture images in 1.0µm steps. A small condenser aperture together with Köhler illumination were used to approximate unidirectional (plane wave) illumination and to allow comparison ...
... a standard bright field microscope setup with a piezoelectrically-driven objective to scan along the optical axis and capture images in 1.0µm steps. A small condenser aperture together with Köhler illumination were used to approximate unidirectional (plane wave) illumination and to allow comparison ...