Fast-Fourier-domain delay line for in vivo optical coherence
... 共decreased nonlinearity兲 and scan rate. A scan rate of 2.58 kHz was achieved with the combination of a commercially available polygonal mirror array 共similar to the one used in this study兲 and a parallelepiped,10 but this system also suffers from high group-delay nonlinearity. A rotating prism array ...
... 共decreased nonlinearity兲 and scan rate. A scan rate of 2.58 kHz was achieved with the combination of a commercially available polygonal mirror array 共similar to the one used in this study兲 and a parallelepiped,10 but this system also suffers from high group-delay nonlinearity. A rotating prism array ...
00 Fourier optics – 4f Arrangement – Filtering and reconstruction
... Clamp the handle of the sonic transducer in a universal clamp and fix it onto the optical plate using a right-angle clamp to connect it to a support rod clamped into a magnetic base. Now position the sonic transducer with its surface plane parallel to the water’s surface such that it is immersed in ...
... Clamp the handle of the sonic transducer in a universal clamp and fix it onto the optical plate using a right-angle clamp to connect it to a support rod clamped into a magnetic base. Now position the sonic transducer with its surface plane parallel to the water’s surface such that it is immersed in ...
Journal of Modern Optics Slow and fast light: fundamentals and
... has been studied since the 1960s [33–35] and has successfully been exploited for slow- and fast-light research [8,9,11,36–42]. The idea behind CPO is illustrated in Figure 4. If a pump beam at frequency ! and a detuned probe beam at frequency !þ co-propagate through a saturable absorber, the ground ...
... has been studied since the 1960s [33–35] and has successfully been exploited for slow- and fast-light research [8,9,11,36–42]. The idea behind CPO is illustrated in Figure 4. If a pump beam at frequency ! and a detuned probe beam at frequency !þ co-propagate through a saturable absorber, the ground ...
EOSTAR: an electro-optical sensor performance
... As mentioned above, EOSTAR utilizes bulk models to calculate vertical meteorological profiles on the basis of simple standard observations. EOSTAR is provided with three different micrometeorological models2,3,4 and with two different sets of stability functions10,11. In addition, users can define t ...
... As mentioned above, EOSTAR utilizes bulk models to calculate vertical meteorological profiles on the basis of simple standard observations. EOSTAR is provided with three different micrometeorological models2,3,4 and with two different sets of stability functions10,11. In addition, users can define t ...
Physically-Based Glare Effects for Digital Images
... digital image of a single white pixel on a black background, and the real experience of looking at a small incandescent bulb. The real bulb differs from the digital image in two important ways. The first difference is a qualitative “brightness” that the bulb possesses. The second difference is the h ...
... digital image of a single white pixel on a black background, and the real experience of looking at a small incandescent bulb. The real bulb differs from the digital image in two important ways. The first difference is a qualitative “brightness” that the bulb possesses. The second difference is the h ...
IOSR Journal of Humanities and Social Science (JHSS)
... Fig.8:shows the other preliminary result of the first optical design, Clear from the figure the divisions, which the radiation Exposed it, and shows the Interior divisions of, and the researcher was able to exploit, to create a contemporary art form [27]. ...
... Fig.8:shows the other preliminary result of the first optical design, Clear from the figure the divisions, which the radiation Exposed it, and shows the Interior divisions of, and the researcher was able to exploit, to create a contemporary art form [27]. ...
Ultrashort-Pulse Generation and Ultrafast Phenomena
... non-epitaxially grown saturable absorbers. We have developed a novel pump-probe system using a broadband 5.5 fs Ti:Al2O3 laser [6] to obtain 17 fs time resolution and independent pump and probe wavelength tunability over a range of 700 to 1000 nm. Using this system, we have characterized the nonline ...
... non-epitaxially grown saturable absorbers. We have developed a novel pump-probe system using a broadband 5.5 fs Ti:Al2O3 laser [6] to obtain 17 fs time resolution and independent pump and probe wavelength tunability over a range of 700 to 1000 nm. Using this system, we have characterized the nonline ...
Stellar Activity with SONG
... With a dispersive element, the angle at which the light leaves it, is wavelength dependent. ...
... With a dispersive element, the angle at which the light leaves it, is wavelength dependent. ...
Get PDF - OSA Publishing
... to be in infinity which is the case for the vast majority of high NA objective lenses as these are designed to be telecentric from the image side. Consider such a convergent spherical wave with its centre of convergence at the focus of a high NA lens. Assume the wavefront subtends a solid angle Ω, l ...
... to be in infinity which is the case for the vast majority of high NA objective lenses as these are designed to be telecentric from the image side. Consider such a convergent spherical wave with its centre of convergence at the focus of a high NA lens. Assume the wavefront subtends a solid angle Ω, l ...
Two-dimensional control of light with light on metasurfaces
... enhanced to negligible light-matter interaction. We detect the resulting coherent effects by imaging the metasurface onto a CCD camera, detecting output beam C that is formed by transmission of beam A and reflection of beam B. We note that less-than-ideal absorption in our sample reduces the achievab ...
... enhanced to negligible light-matter interaction. We detect the resulting coherent effects by imaging the metasurface onto a CCD camera, detecting output beam C that is formed by transmission of beam A and reflection of beam B. We note that less-than-ideal absorption in our sample reduces the achievab ...
Computer-generated holograms for three
... threedimensional (3-D) displays, sometimes called digitally synthetic holograms, are desired media for creating 3-D autostereoscopic images of virtual objects. However, the technology suffers from two problems: the necessity for extremely high spatial resolution to fabricate or display the holograms ...
... threedimensional (3-D) displays, sometimes called digitally synthetic holograms, are desired media for creating 3-D autostereoscopic images of virtual objects. However, the technology suffers from two problems: the necessity for extremely high spatial resolution to fabricate or display the holograms ...
Optical Elements
... wavelength. Manufacturers offer mostly h = 45 narrow-band mirrors. Monochromatic mirrors are used to suppress background radiation in the systems were only one laser line is used. But their biggest advantage is that highly transparent multilayer stack introduces negligible absorption, which makes m ...
... wavelength. Manufacturers offer mostly h = 45 narrow-band mirrors. Monochromatic mirrors are used to suppress background radiation in the systems were only one laser line is used. But their biggest advantage is that highly transparent multilayer stack introduces negligible absorption, which makes m ...
Introduction
... to the prism at an angle other than 90° it will also change direction. Blue light has a shorter wavelength than red light so its angle of refraction is higher, both at entry to and exit from the prism. This means it gets bent more. The effect is the same effect which generates a rainbow in a rain sh ...
... to the prism at an angle other than 90° it will also change direction. Blue light has a shorter wavelength than red light so its angle of refraction is higher, both at entry to and exit from the prism. This means it gets bent more. The effect is the same effect which generates a rainbow in a rain sh ...
System for measuring the angular response of radiometers
... The optics of this system was simulated in the ZEMAX program to estimate errors due to alignments in positioning of the radiometers. It was considered in this simulation an ideal radiometer and errors up to 5% in the measurements at large angles were verified for misalignments of 1o. Figure 3 resume ...
... The optics of this system was simulated in the ZEMAX program to estimate errors due to alignments in positioning of the radiometers. It was considered in this simulation an ideal radiometer and errors up to 5% in the measurements at large angles were verified for misalignments of 1o. Figure 3 resume ...
Orientation of perylene derivatives on semiconductor surfaces
... The incident synchrotron light is linear polarized with the electric field vector lying in the plane of incidence. For an angle of incidence of 08 only broad features above 280 eV photon energy are observed. When changing the angle of incidence to 38 and 708, however, sharp structures below 280 eV p ...
... The incident synchrotron light is linear polarized with the electric field vector lying in the plane of incidence. For an angle of incidence of 08 only broad features above 280 eV photon energy are observed. When changing the angle of incidence to 38 and 708, however, sharp structures below 280 eV p ...
Ch 03 - Aberrations
... In Chap. 2 we discussed the image-forming characteristics of optical systems, but we limited our consideration to an infinitesimal threadlike region about the optical axis called the paraxial region. In this chapter we will consider, in general terms, the behavior of lenses with finite apertures and ...
... In Chap. 2 we discussed the image-forming characteristics of optical systems, but we limited our consideration to an infinitesimal threadlike region about the optical axis called the paraxial region. In this chapter we will consider, in general terms, the behavior of lenses with finite apertures and ...
CHAPTER 3 Optical Components of Spectrometers
... given by Fresnel equation • The larger the difference in refractive indices, the larger the reflectance. • When 1 = 2, there is no reflection. • For an air-glass interface, where air = 1 and glass = 1.5, approximately 4% of the light incident perpendicular to the interface is reflected and 96% ...
... given by Fresnel equation • The larger the difference in refractive indices, the larger the reflectance. • When 1 = 2, there is no reflection. • For an air-glass interface, where air = 1 and glass = 1.5, approximately 4% of the light incident perpendicular to the interface is reflected and 96% ...
Aberration-free three-dimensional multiphoton imaging of neuronal
... To test the performance of our system we defined a series of complex trajectories through which we scanned the focal spot and observed how faithfully these trajectories were reproduced at different scan frequencies. For each trajectory a set of points was defined in three-dimensional space. Periodic ...
... To test the performance of our system we defined a series of complex trajectories through which we scanned the focal spot and observed how faithfully these trajectories were reproduced at different scan frequencies. For each trajectory a set of points was defined in three-dimensional space. Periodic ...
Slide 1
... research is focused on planar and two-dimensional photonic crystal structures. Which can be manufactured from conventional SOI substrates or integrated into multilayer structures. ...
... research is focused on planar and two-dimensional photonic crystal structures. Which can be manufactured from conventional SOI substrates or integrated into multilayer structures. ...
LM Ch 8: Bright Field
... use plastic materials to mount your specimens. Remember that the NA of a lens is partly based on the refractive index of the immersion medium (NA = n sin α where n = refractive index of the immersion medium) so increasing the oil's refractive index can increase NA and thus resolution. Immersion oils ...
... use plastic materials to mount your specimens. Remember that the NA of a lens is partly based on the refractive index of the immersion medium (NA = n sin α where n = refractive index of the immersion medium) so increasing the oil's refractive index can increase NA and thus resolution. Immersion oils ...
Evanescent-field optical microscopy: effects of polarization, tip
... the grating lines. The p-polarization image displays a grating with steps 4.3/xm wide and 1.5 high, while the s-polarization image only vaguely reveals the grating with 0.9 /xm step height. Fig. 4a displays steep slopes on the grating edges which are the result of abrupt changes in feedback action. ...
... the grating lines. The p-polarization image displays a grating with steps 4.3/xm wide and 1.5 high, while the s-polarization image only vaguely reveals the grating with 0.9 /xm step height. Fig. 4a displays steep slopes on the grating edges which are the result of abrupt changes in feedback action. ...