OKO guide to adaptive optics
... applied electric field in transparent or reflective mode (Figure 1.1 on the right). LC devices are easy to integrate with transmissive lens systems, however they also have some inherent drawbacks such as slow response, dispersion, relatively high optical losses, pixelated response and polarization s ...
... applied electric field in transparent or reflective mode (Figure 1.1 on the right). LC devices are easy to integrate with transmissive lens systems, however they also have some inherent drawbacks such as slow response, dispersion, relatively high optical losses, pixelated response and polarization s ...
MEMS Corner Cube Retroreflectors for Free-Space
... optical link using this device. In order to model nonflatness, misalignment and diffraction on an equal footing, a finite-element analysis of the device is performed. To begin the analysis, each face of the CCR is represented by an equation describing the surface. The CCR faces are bounded by the pl ...
... optical link using this device. In order to model nonflatness, misalignment and diffraction on an equal footing, a finite-element analysis of the device is performed. To begin the analysis, each face of the CCR is represented by an equation describing the surface. The CCR faces are bounded by the pl ...
Characterization of high-finesse mirrors: Loss, phase shifts, and
... the high-order spatial modes and carefully noting the transmission and reflection powers at each spatial mode. One measures the total input power and also sums together the powers of every matched mode for transmission and reflection. These three powers can be used in Eqs. 共2.2兲 and 共2.3兲 to calcula ...
... the high-order spatial modes and carefully noting the transmission and reflection powers at each spatial mode. One measures the total input power and also sums together the powers of every matched mode for transmission and reflection. These three powers can be used in Eqs. 共2.2兲 and 共2.3兲 to calcula ...
Standing-wave transform spectrometer based on integrated MEMS
... cessing [7] that has enabled the real-time discrimination of different spectra. This simple processing also means that the operation of the spectrometer need not correspond exactly to the standard Fourier transform response, as long as the response of the spectrometer is linear in the signal; other ...
... cessing [7] that has enabled the real-time discrimination of different spectra. This simple processing also means that the operation of the spectrometer need not correspond exactly to the standard Fourier transform response, as long as the response of the spectrometer is linear in the signal; other ...
Fabrication of concave silicon micro-mirrors
... A schematic of the fabrication process to produce spherical concave surfaces is shown in Fig. 1a-c. Annuli were patterned (Fig. 1e) using standard ultraviolet lithography on a 7µm thick AZ 4620 photoresist spin coated on to 0.02 Ω.cm p-type wafers (Fig. 1a). The exposed annuli were then irradiated w ...
... A schematic of the fabrication process to produce spherical concave surfaces is shown in Fig. 1a-c. Annuli were patterned (Fig. 1e) using standard ultraviolet lithography on a 7µm thick AZ 4620 photoresist spin coated on to 0.02 Ω.cm p-type wafers (Fig. 1a). The exposed annuli were then irradiated w ...
Design, near-field characterization, and modeling of 45° surface
... has been characterized in the near-field by means of photon scanning tunneling microscopy 共PSTM兲,23 a near-field microscopy mode very well suited for the imaging of SPP since it collects surface-bounded evanescent fields.24 In addition, the study of the performance of the SPP mirrors in the near fie ...
... has been characterized in the near-field by means of photon scanning tunneling microscopy 共PSTM兲,23 a near-field microscopy mode very well suited for the imaging of SPP since it collects surface-bounded evanescent fields.24 In addition, the study of the performance of the SPP mirrors in the near fie ...
Optics for next generation light sources Anton Barty
... SOMS system (dashed line). Because metrology data are not yet available for the AMO focusing optics this calculation likely places an upper bound on the focusing spot properties given the predicted SOMS front-end performance. One point that is immediately apparent is that the focal spot is likely t ...
... SOMS system (dashed line). Because metrology data are not yet available for the AMO focusing optics this calculation likely places an upper bound on the focusing spot properties given the predicted SOMS front-end performance. One point that is immediately apparent is that the focal spot is likely t ...
Practical Aspects of Mirror Usage in Optical Systems for
... eventually. Bragg concluded in 1932 ...
... eventually. Bragg concluded in 1932 ...
Practical Aspects of Mirror Usage in Optical Systems for
... eventually. Bragg concluded in 1932 ...
... eventually. Bragg concluded in 1932 ...
Mirror contamination in space I: mirror modelling
... electronics and insulations were identified. Water was also found in SCIAMACHY, where it was deposited onto the cold detectors (Lichtenberg et al., 2006). In fact, Earth-observing satellites suffer from degradation, both in throughput and in the polarisation and/or scan-angle dependence, such as GOM ...
... electronics and insulations were identified. Water was also found in SCIAMACHY, where it was deposited onto the cold detectors (Lichtenberg et al., 2006). In fact, Earth-observing satellites suffer from degradation, both in throughput and in the polarisation and/or scan-angle dependence, such as GOM ...
Chapter O2
... In this section we will be introduced to a number of new ideas. We will start with mirrors because the interaction of light with mirrors, based on reflection, is easier to deal with than the interaction of light with lenses, which is based on refraction. However, we must make a special effort to und ...
... In this section we will be introduced to a number of new ideas. We will start with mirrors because the interaction of light with mirrors, based on reflection, is easier to deal with than the interaction of light with lenses, which is based on refraction. However, we must make a special effort to und ...
Two-Mirror Apodization for High-Contrast Imaging
... In his paper, Guyon argues that the two-mirror approach provides a system with (i) a smaller inner working distance (1λ/D vs. 4λ/D) and consequently a smaller overall aperture and (ii) a higher throughput with a corresponding reduction in exposure time. Here, and throughout the paper, λ is wavelengt ...
... In his paper, Guyon argues that the two-mirror approach provides a system with (i) a smaller inner working distance (1λ/D vs. 4λ/D) and consequently a smaller overall aperture and (ii) a higher throughput with a corresponding reduction in exposure time. Here, and throughout the paper, λ is wavelengt ...
Fabry-Perot Interferometer
... 1 + (2/π)2 FR2 sin2 (∆φ/2) This function is plotted in Fig. 3. The finesse FR quantifies the optical quality of the resonator made of perfectly polished and adjusted plane mirrors. However, even well-aligned resonators with plane mirrors are severely restricted to F . 50 unless high-precision mirror ...
... 1 + (2/π)2 FR2 sin2 (∆φ/2) This function is plotted in Fig. 3. The finesse FR quantifies the optical quality of the resonator made of perfectly polished and adjusted plane mirrors. However, even well-aligned resonators with plane mirrors are severely restricted to F . 50 unless high-precision mirror ...
ppt
... concept and a promising starting point. The optimum result can however only be achieved by systematically varying the experimental parameters, where the simulation will again be helpful in their interpretation. ...
... concept and a promising starting point. The optimum result can however only be achieved by systematically varying the experimental parameters, where the simulation will again be helpful in their interpretation. ...
mirrors, combination of mirrors and catadioptric systems
... light, from left to right. In the case of mirrors the difficulty comes from the change in the direction of propagation of light, and it is thus important to define precisely the sign convention, both for the positions along the x axis and for the positive angles. If we want to keep the same expressi ...
... light, from left to right. In the case of mirrors the difficulty comes from the change in the direction of propagation of light, and it is thus important to define precisely the sign convention, both for the positions along the x axis and for the positive angles. If we want to keep the same expressi ...
Pupil Mapping in 2-D for High-Contrast Imaging
... the pupil is tapered to zero at the edges, thereby reducing the sidelobes, but at a loss of light and angular resolution. Another idea is the shaped pupil (Spergel (2000), Vanderbei et al. (2003a,b,c, 2004)), in which the pupil is covered by an opaque mask that has carefully-shaped transmitting cut- ...
... the pupil is tapered to zero at the edges, thereby reducing the sidelobes, but at a loss of light and angular resolution. Another idea is the shaped pupil (Spergel (2000), Vanderbei et al. (2003a,b,c, 2004)), in which the pupil is covered by an opaque mask that has carefully-shaped transmitting cut- ...
Physics for Scientists & Geometric Optics
... ! In this chapter we will treat light as a ray traveling in a straight line ! We can solve many problems geometrically and by various constructions ! Thus for the remainder of this chapter we will ignore our knowledge of the structure of light and attack a broad range of practical problems ...
... ! In this chapter we will treat light as a ray traveling in a straight line ! We can solve many problems geometrically and by various constructions ! Thus for the remainder of this chapter we will ignore our knowledge of the structure of light and attack a broad range of practical problems ...
Printable T
... The object stands in front of a convex mirror. Consider first the P-ray: it leaves the top of the object as a parallel ray, and when it hits the convex mirror it is reflected. The reflected ray passes through the focal point of the spherical mirror. Even though the ray would be reflected up and away ...
... The object stands in front of a convex mirror. Consider first the P-ray: it leaves the top of the object as a parallel ray, and when it hits the convex mirror it is reflected. The reflected ray passes through the focal point of the spherical mirror. Even though the ray would be reflected up and away ...
The Dizzying Depths of the Cylindrical Mirror
... image in front of the mirror. However, as an observer moves up and down, the direction of the gaze changes as if the likeness were located at the line image behind the mirror. Viewing with two eyes provides similar depth information to that gathered by using one eye and moving around. Because of the ...
... image in front of the mirror. However, as an observer moves up and down, the direction of the gaze changes as if the likeness were located at the line image behind the mirror. Viewing with two eyes provides similar depth information to that gathered by using one eye and moving around. Because of the ...
Curved Mirrors, Ray Diagrams, and Simulations Background Information
... mirror is given on the screen. Move the mirror to a convenient location (such as x = 4.0) by dragging the mirror left or right. This is labeled on the screen as “x” and is near the center of the mirror. The focal length of the mirror is labeled “fl”. 4. Click the “Object” button. Click about 1/4 of ...
... mirror is given on the screen. Move the mirror to a convenient location (such as x = 4.0) by dragging the mirror left or right. This is labeled on the screen as “x” and is near the center of the mirror. The focal length of the mirror is labeled “fl”. 4. Click the “Object” button. Click about 1/4 of ...
a flat high-frequency scanning micromirror - EECS: www
... µm-thick layer of silicon above the oxide interface. The resulting silicon-on-insulator (SOI) wafer is oxidized at 1100°C in a steam ambient to form a 1.1 µm-thick oxide layer on the top and bottom. Alignment between the subsequent patterns and the buried combteeth is achieved by etching a window in ...
... µm-thick layer of silicon above the oxide interface. The resulting silicon-on-insulator (SOI) wafer is oxidized at 1100°C in a steam ambient to form a 1.1 µm-thick oxide layer on the top and bottom. Alignment between the subsequent patterns and the buried combteeth is achieved by etching a window in ...
Reflection and Mirrors
... same size as the object. However, it is a virtual image because no object is located at the place where the image appears. A virtual image is an image of an object that your brain perceives to be in a place where the object is not. Suppose you look at your image in a plane mirror. If you raise your ...
... same size as the object. However, it is a virtual image because no object is located at the place where the image appears. A virtual image is an image of an object that your brain perceives to be in a place where the object is not. Suppose you look at your image in a plane mirror. If you raise your ...
F - Images
... Incident Ray: is the ray of light that is striking the mirror. Reflected Ray: is the ray of light that bounces off the mirror. ...
... Incident Ray: is the ray of light that is striking the mirror. Reflected Ray: is the ray of light that bounces off the mirror. ...
Home Lab 8 Curved Mirrors, Ray Diagrams, and Simulations
... mirror is given on the screen. Move the mirror to a convenient location (such as x = 4.0) by dragging the mirror left or right. This is labeled on the screen as “x” and is near the center of the mirror. The focal length of the mirror is labeled “fl”. 4. Click the “Object” button. Click about 1/4 of ...
... mirror is given on the screen. Move the mirror to a convenient location (such as x = 4.0) by dragging the mirror left or right. This is labeled on the screen as “x” and is near the center of the mirror. The focal length of the mirror is labeled “fl”. 4. Click the “Object” button. Click about 1/4 of ...
Convex Mirrors
... concave or a convex mirror? Determine the focal length of the mirror Archimedes might have used to burn ships that were 150 m away. Justify your answer. 5.12 Regular problem You wish to order a mirror from a scientific supply company. You want to use the mirror while shaving or applying makeup. The ...
... concave or a convex mirror? Determine the focal length of the mirror Archimedes might have used to burn ships that were 150 m away. Justify your answer. 5.12 Regular problem You wish to order a mirror from a scientific supply company. You want to use the mirror while shaving or applying makeup. The ...