Optical Elements
... only one laser line is used. But their biggest advantage is that highly transparent multilayer stack introduces negligible absorption, which makes maximum reflection coefficient close to 100 %. Therefore, this type of mirrors is used when the beam path is folded many times and the delivered optical ...
... only one laser line is used. But their biggest advantage is that highly transparent multilayer stack introduces negligible absorption, which makes maximum reflection coefficient close to 100 %. Therefore, this type of mirrors is used when the beam path is folded many times and the delivered optical ...
Plasmonic Nearfield Scanning Probe with High Transmission
... still beneficial because it limits the focus size and increases the enhancement by constructive interference of SPPs on both sides of the metal coating. We must also point out that light propagating inside the fiber of plasmonic NSOM probes is actually not a plane wave. For more accurate estimation ...
... still beneficial because it limits the focus size and increases the enhancement by constructive interference of SPPs on both sides of the metal coating. We must also point out that light propagating inside the fiber of plasmonic NSOM probes is actually not a plane wave. For more accurate estimation ...
RAY OPTICS
... therefore also called geometrical optics. Ray optics is an approximate theory. Although it adequately describes most of our daily experiences with light, there are many phenomena that ray optics does not adequately describe (as amply attested to by the remaining chapters of this book). Ray optics is ...
... therefore also called geometrical optics. Ray optics is an approximate theory. Although it adequately describes most of our daily experiences with light, there are many phenomena that ray optics does not adequately describe (as amply attested to by the remaining chapters of this book). Ray optics is ...
Selective Trapping or Rotation of Isotropic Dielectric Microparticles
... the data shown in Figure 2b by integrating the force component along the corresponding direction (see Supporting Information). Similar results have been obtained for microparticle at various x-offsets, as shown in Figure 2d−f. These analyses confirm that under left-hand circularly polarized excitation ...
... the data shown in Figure 2b by integrating the force component along the corresponding direction (see Supporting Information). Similar results have been obtained for microparticle at various x-offsets, as shown in Figure 2d−f. These analyses confirm that under left-hand circularly polarized excitation ...
Optical device having equal length waveguide paths
... FIG. 6 (a) is a graph shoWing a spectral response at various Wavelengths for an arrayed Waveguide constructed according to prior art teachings of the Doerr Optical Cross Connect Article in Which total straight segment length is not constant and (b) constructed according to the present teach ings Whe ...
... FIG. 6 (a) is a graph shoWing a spectral response at various Wavelengths for an arrayed Waveguide constructed according to prior art teachings of the Doerr Optical Cross Connect Article in Which total straight segment length is not constant and (b) constructed according to the present teach ings Whe ...
Label-free super-resolution imaging of adenoviruses by submerged
... developed,7,8 whereby an optically blurred image is sharpened through a deconvolution process, i.e., by digitally locating the peak of an ...
... developed,7,8 whereby an optically blurred image is sharpened through a deconvolution process, i.e., by digitally locating the peak of an ...
Chapter 2 Optical Layout
... Figure 2.5: Reflection angle The “reflection angle” is so called by convention; it is the angle that the reflected or refracted central ray makes with the normal to the surface of the optical element. For most purposes it is set equal to the incidence angle shown in figure 2.5 but in many cases it i ...
... Figure 2.5: Reflection angle The “reflection angle” is so called by convention; it is the angle that the reflected or refracted central ray makes with the normal to the surface of the optical element. For most purposes it is set equal to the incidence angle shown in figure 2.5 but in many cases it i ...
A high-resolution magnetic tweezer for single
... experimental calibration scheme that relates bead height to fringe motion (9). In contrast, calibration of the RICM fringes relies on a theoretical model (13). To experimentally verify the accuracy of the model, we compared the diffraction- and RICM-measured extension difference between the folded and ...
... experimental calibration scheme that relates bead height to fringe motion (9). In contrast, calibration of the RICM fringes relies on a theoretical model (13). To experimentally verify the accuracy of the model, we compared the diffraction- and RICM-measured extension difference between the folded and ...
Chapter 18 - Handbook of Optics
... coma, astigmatism, and field curvature while keeping chromatic aberrations under control. The field of view can be extended considerably for smaller apertures. The three-spherical lens corrector is one of the best large-optics prime-focus correctors to come along, both in terms of image quality and ...
... coma, astigmatism, and field curvature while keeping chromatic aberrations under control. The field of view can be extended considerably for smaller apertures. The three-spherical lens corrector is one of the best large-optics prime-focus correctors to come along, both in terms of image quality and ...
1.5 MB
... system consists of a Wollaston prism working between the polarizer and the analyzer (Fig. 5). The measured light beam enters the system through the polarizer. The Wollaston prism splits the input wave into two: an ordinary and extraordinary one, so the optical field can be considered as two incident ...
... system consists of a Wollaston prism working between the polarizer and the analyzer (Fig. 5). The measured light beam enters the system through the polarizer. The Wollaston prism splits the input wave into two: an ordinary and extraordinary one, so the optical field can be considered as two incident ...
Lab 4: Diffraction of Light
... two point sources on the wavefront at the front of the the slits can be considered as two point sources of coslit, which are a distance a/2 apart. The difference in herent light. If the screen is placed at a distance D distances from each pair of these point sources to a from the slits as shown in f ...
... two point sources on the wavefront at the front of the the slits can be considered as two point sources of coslit, which are a distance a/2 apart. The difference in herent light. If the screen is placed at a distance D distances from each pair of these point sources to a from the slits as shown in f ...
Broad Band Focusing and Demultiplexing of In-Plane Propagating Surface Plasmons Lin Li,
... the square type curves considerably well, indicating all SPPs in different wavelengths can be well focused. Nevertheless, the phase deviation from the square-type tends to increase when the wavelength is far from the designed one. A better focus can be fulfilled with a careful trade-off between the req ...
... the square type curves considerably well, indicating all SPPs in different wavelengths can be well focused. Nevertheless, the phase deviation from the square-type tends to increase when the wavelength is far from the designed one. A better focus can be fulfilled with a careful trade-off between the req ...
Excitation of a one-dimensional evanescent wave by conical edge
... μ m to avoid any cross-talk between adjacent structures. The excitation of surface plasmon in a single stripe is achieved by focussing a monochromatic three dimensional Gaussian beam. The finite-size excitation results from a plane wave decomposition of the Gaussian profile. The decomposition is res ...
... μ m to avoid any cross-talk between adjacent structures. The excitation of surface plasmon in a single stripe is achieved by focussing a monochromatic three dimensional Gaussian beam. The finite-size excitation results from a plane wave decomposition of the Gaussian profile. The decomposition is res ...
Calibration of the amplification coefficient in
... traceable;” whereas what is actually required is an unbroken chain of measurements to a realization of the meter, with known uncertainty for each link in the chain [7]. Added to this historical precedence in using SHS artifacts are reasonable technical considerations, such as the broadband spectrum ...
... traceable;” whereas what is actually required is an unbroken chain of measurements to a realization of the meter, with known uncertainty for each link in the chain [7]. Added to this historical precedence in using SHS artifacts are reasonable technical considerations, such as the broadband spectrum ...
Mirror contamination in space I: mirror modelling
... Thin layer deposits on mirrors and diffusers have been modelled before (e.g. most recently by Lei et al., 2012); however, these earlier attempts focus only on transmission loss, and often do not take scan-angle dependence into account, and none consider polarisation. These, however, need to be consi ...
... Thin layer deposits on mirrors and diffusers have been modelled before (e.g. most recently by Lei et al., 2012); however, these earlier attempts focus only on transmission loss, and often do not take scan-angle dependence into account, and none consider polarisation. These, however, need to be consi ...
Recent advances in transformation optics
... transformation optics. Many other novel effects and devices, such as illusion optics,27–30 optical black holes,31–34 beam shifters and rotators,35–37 lossless waveguide bends38–41 as well as various lenses42–50 have been proposed. In particular, combining the concept of complementary medium51 with t ...
... transformation optics. Many other novel effects and devices, such as illusion optics,27–30 optical black holes,31–34 beam shifters and rotators,35–37 lossless waveguide bends38–41 as well as various lenses42–50 have been proposed. In particular, combining the concept of complementary medium51 with t ...
Recent advances in transformation optics
... transformation optics. Many other novel effects and devices, such as illusion optics,27–30 optical black holes,31–34 beam shifters and rotators,35–37 lossless waveguide bends38–41 as well as various lenses42–50 have been proposed. In particular, combining the concept of complementary medium51 with t ...
... transformation optics. Many other novel effects and devices, such as illusion optics,27–30 optical black holes,31–34 beam shifters and rotators,35–37 lossless waveguide bends38–41 as well as various lenses42–50 have been proposed. In particular, combining the concept of complementary medium51 with t ...
Reflection optimisation of the SPR-graphene
... detection; the majority of them use the angular approach due to its low angular resolution [4,5,6]. It is based on the measurement of changes in the resonant angle extracted from the curve when changing the angle of incidence and keeping the wavelength constant. The spectre is characterized by other ...
... detection; the majority of them use the angular approach due to its low angular resolution [4,5,6]. It is based on the measurement of changes in the resonant angle extracted from the curve when changing the angle of incidence and keeping the wavelength constant. The spectre is characterized by other ...
Mach Zehnder Interferometer and its Applications
... with a minute lateral offset as shown in fig.5 (b). Due to this offset, a part of the beam in core is coupled to several cladding modes, independent of wavelength. An MZI can also be formed by fusion splicing a piece of Photonic Crystal Fiber (PCF) in between fibers with a small required deviation [ ...
... with a minute lateral offset as shown in fig.5 (b). Due to this offset, a part of the beam in core is coupled to several cladding modes, independent of wavelength. An MZI can also be formed by fusion splicing a piece of Photonic Crystal Fiber (PCF) in between fibers with a small required deviation [ ...
Vector mixed-gap surface solitons
... Notice that for b1 7.1 we did not find solitons for which w2 has a maximum in the first lattice channel. For b1 7.1 strong secondary peaks appear in w1 , while the maximum of w2 shifts into the lattice so that the two components decouple. Similar domains of existence were encountered for various lat ...
... Notice that for b1 7.1 we did not find solitons for which w2 has a maximum in the first lattice channel. For b1 7.1 strong secondary peaks appear in w1 , while the maximum of w2 shifts into the lattice so that the two components decouple. Similar domains of existence were encountered for various lat ...
Note
... Nice sharp images are formed on a flat focal plane only for paraxial rays. Rays entering the optical system far off-axis will degrade the desired flat image, as they will not focus on the focal plane, but on the curved focal surface. Thus, while in general the size of a lens determines the brightnes ...
... Nice sharp images are formed on a flat focal plane only for paraxial rays. Rays entering the optical system far off-axis will degrade the desired flat image, as they will not focus on the focal plane, but on the curved focal surface. Thus, while in general the size of a lens determines the brightnes ...