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13.1_Lens_Forming_Images_-_PPT[1]
13.1_Lens_Forming_Images_-_PPT[1]

... • The Principal Focus (F) is the point at the principal axis of a lens where light rays parallel to the principal axis converge after refraction. • The Secondary Principal Focus (F’) is on the same side of the lens relative to the incident rays. F and F’ are at an equal distance to the optical centr ...
Interference I - Galileo and Einstein
Interference I - Galileo and Einstein

... of the magnifying glass discussed above. • The simplest compound microscope has two convex lenses: the first (objective) forms a real (inverted) image, the second (eyepiece) acts as a magnifying glass to examine that image. • The total magnification is a product of the two: the eyepiece is N/fe, N = ...
Slide 1
Slide 1

... Again, like the case of resolution, we used k2 factor as an experimental parameter. It has no well-defined physical meaning. ...
An introduction to Optics
An introduction to Optics

Chapter 25: Optical Instruments
Chapter 25: Optical Instruments

... The Human Eye Much like a camera, the eye has a lens of adjustable focal length, an iris to decrease the effective diameter of the lens, and a retina about one focal length from the lens where a real, inverted, reduced image is formed. Most of the refraction occurs in the cornea, not the lens. The l ...
A1979HZ30700001
A1979HZ30700001

AY80B Lecture 9
AY80B Lecture 9

... • Paraxial rays are used – These rays may only yield approximate results – The focal point for a spherical mirror is half way to the center of the sphere. – Rule 1: All rays incident parallel to the axis are reflected so that they appear to be coming from the focal point F. – Rule 2: All rays that ( ...
Image processing in Spectral Domain Optical Coherence
Image processing in Spectral Domain Optical Coherence

... Interference fringes are formed when the sample and reference arms are within a small range. A depth profile is formed by the detection of the interference pattern between the reference and sample arm as the reference arm is scanned. ...
4.Bending Light PhET
4.Bending Light PhET

Mirror Example • Consider a concave mirror radius r =
Mirror Example • Consider a concave mirror radius r =

...  Draw line from object top Q to mirror parallel to axis (ray 4)  Hits vertex line at T  Then direct ray from T through focus point F (ray 5) and beyond  Now direct ray from object top Q through radius C (ray 8)  This intersects ray 5 at image Q’ (point 9)  This correctly shows both position an ...
Chapter 4
Chapter 4

... A ray of light traveling in air strikes a glass surface (n = 1.5) at an angle of 240 from the normal. At what angle will it be ...
無投影片標題
無投影片標題

... observed PSF to introduce known aberrations. ...
Imaging properties of a metamaterial superlens
Imaging properties of a metamaterial superlens

... Fig. 2. Furthermore, it turns out that the effect of loss characterized by the imaginary part of ␧ can also be approximated in this equation.11 In the case of Imag(␧ M )⫽0.4, the result is approximately 2.6, indicating a resolution of ⬃␭/3. Taking the loss of natural metal at optical frequencies int ...
Chapter 25 Optical Instruments
Chapter 25 Optical Instruments

... • See the eye pg. 761 • Focusing of the eye involves accomodation… muscles contract to make the lens thicker for nearby objects and relax to make the lens thinner for far objects. • The closest an eye can focus is the near point. • The farthest an eye can focus is the far point. • The normal eye has ...
Lecture Series: Building the Future of Optical Modeling and Design
Lecture Series: Building the Future of Optical Modeling and Design

... momentum in all those applications and that causes an increasing interest in most recent developments of optical technology. We all experience fascinating progress in the development of new light sources and optical materials as well as more accurate methods for the fabrication of optical components ...
File
File

... radii of curvature are R1 = 15.0 cm and R2 = –12.0 cm. To the left of the lens is a cube having a face area of 100 cm2. The base of the cube is on the axis of the lens, and the right face is 20.0 cm to the left of the lens as shown in the Figure 4. Determine the focal length of the lens and draw the ...
Chapter 25
Chapter 25

... The ability of an optical system to distinguish between closely spaced objects is limited due to the wave nature of light If two sources of light are close together, they can be treated as noncoherent sources Because of diffraction, the images consist of bright central regions flanked by weaker brig ...
AP® Physics 2 Myers Park High School Problem Set: Ray Diagrams
AP® Physics 2 Myers Park High School Problem Set: Ray Diagrams

... b. vacuum c. air d. glass 2. Refraction, as light goes from air to glass, results from differences in light's _____. a. frequency in air and glass b. incident angle c. speed in air and glass d. all of the above. 3. Light refracts when traveling from air into glass because light _____. a. intensity i ...
etx® premier edition
etx® premier edition

... of lost sleep worthwhile. In a world where quality optics are routinely sacrificed on the altar of offshore production and increased profit, we stubbornly continue to hand craft the optics of every ETX Maksutov-Cassegrain telescope. Obsessive little things like oversized primary mirrors, premium-gra ...
Designing an Experimental Prototype to Support Geometric Optics
Designing an Experimental Prototype to Support Geometric Optics

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

PHYS-321 “Optics” FALL 2016 CRN: 81373
PHYS-321 “Optics” FALL 2016 CRN: 81373

Chapter 1 Data Communications and Networks Overview
Chapter 1 Data Communications and Networks Overview

Chapter 1 Data Communications and Networks Overview
Chapter 1 Data Communications and Networks Overview

... are not used in the training session. The two discovered functions are new in the fluid dynamics to determent the viscosity and elasticity simultaneously. ...
Stop Faking It! Light
Stop Faking It! Light

... Interaction of Light with Objects Transmit or transmission: the passing of light through matter (air or objects).  Transparent: materials that allow all light to pass through – i.e., glass window, water  Translucent: letting light through but scattering it – i.e., wax paper  Opaque: materials th ...
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Harold Hopkins (physicist)

Harold Horace Hopkins FRS (1918–1994) was a renowned British physicist. His Wave Theory of Aberrations, (published by Oxford University Press 1950), is central to all modern optical design and provides the mathematical analysis which enables the use of computers to create the wealth of high quality lenses available today. In addition to his theoretical work, his many inventions are in daily use throughout the world. These include zoom lenses, coherent fibre-optics and more recently the rod-lens endoscopes which 'opened the door' to modern key-hole surgery. He was the recipient of many of the world's most prestigious awards and was twice nominated for a Nobel Prize. His citation on receiving the Rumford Medal from the Royal Society in 1984 stated: ""In recognition of his many contributions to the theory and design of optical instruments, especially of a wide variety of important new medical instruments which have made a major contribution to clinical diagnosis and surgery.""
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