Diffraction
... l Gravitational waves are ripples in the fabric of space-time. When they pass through LIGO's L-shaped detector they will decrease the distance between the test masses in one arm of the L, while increasing it in the other. These changes are minute: just 10-16 centimeters, or one-hundredmillionth th ...
... l Gravitational waves are ripples in the fabric of space-time. When they pass through LIGO's L-shaped detector they will decrease the distance between the test masses in one arm of the L, while increasing it in the other. These changes are minute: just 10-16 centimeters, or one-hundredmillionth th ...
Structure and optical properties of reconstructed Si and Ge surfaces
... as the forces on the bulk atoms are not similar to those on surface atoms. This is called surface reconstruction. When these systems are energetically relaxed, sometimes they form special ordered structures such as one dimensional atomic chains or rows of dimers etc. due to surface reconstruction. S ...
... as the forces on the bulk atoms are not similar to those on surface atoms. This is called surface reconstruction. When these systems are energetically relaxed, sometimes they form special ordered structures such as one dimensional atomic chains or rows of dimers etc. due to surface reconstruction. S ...
System for observing interference phenomenon: In the previous
... and eyepiece to be more than four times the focal length of lens. The lens is moved along the length of bench to a position where two images of slits are seen in the plane of cross wires of eye piece. The distance between these two images of slit is measured by setting the vertical cross wire succes ...
... and eyepiece to be more than four times the focal length of lens. The lens is moved along the length of bench to a position where two images of slits are seen in the plane of cross wires of eye piece. The distance between these two images of slit is measured by setting the vertical cross wire succes ...
Physics 316 B2 1 Revised 3/7/08 Experiment B2: Monochromatic
... Set up the biprism as shown in the diagram (Fig. A1). The biprism is to be mounted on the special holder that permits rotation of the biprism in its own plane. Accurate alignment of the edge of the biprism with the slit (S) is critical to obtain the best fringes. Align the laser, filter, slit (S) an ...
... Set up the biprism as shown in the diagram (Fig. A1). The biprism is to be mounted on the special holder that permits rotation of the biprism in its own plane. Accurate alignment of the edge of the biprism with the slit (S) is critical to obtain the best fringes. Align the laser, filter, slit (S) an ...
The Michelson Interferometer
... The Michelson interferometer is an example of an amplitude-splitting interferometer. It is a high precision instrument which can be used to measure very small displacements, to compare two wavelengths of light to a high accuracy and to measure refractive indices. Its configuration is illustrated in ...
... The Michelson interferometer is an example of an amplitude-splitting interferometer. It is a high precision instrument which can be used to measure very small displacements, to compare two wavelengths of light to a high accuracy and to measure refractive indices. Its configuration is illustrated in ...
Sample Problems for Final
... A wedge of glass increases in thickness with an angle of 2 mrad. Green light (wavelength 530 nm) illuminates the upper surface of the wedge at normal incidence. Approximately how far from the edge of the wedge (where it tapers to zero thickness) does the first maximum in the reflected light occur? A ...
... A wedge of glass increases in thickness with an angle of 2 mrad. Green light (wavelength 530 nm) illuminates the upper surface of the wedge at normal incidence. Approximately how far from the edge of the wedge (where it tapers to zero thickness) does the first maximum in the reflected light occur? A ...
Interference2
... It consists of two thin acute angled prisms joined at the bases. It is constructed as a single prism of obtuse angle of 179º. The acute angle on both side is about 30´. A portion of the incident light is refracted downward and a portion upward. ...
... It consists of two thin acute angled prisms joined at the bases. It is constructed as a single prism of obtuse angle of 179º. The acute angle on both side is about 30´. A portion of the incident light is refracted downward and a portion upward. ...
08-Michelson
... pattern. When 100 have disappeared, record the new micrometer reading and calculate the mean wavelength. Repeat the procedure a few times and calculate an average. (You will probably need some practice for this. It is very easy to miss a fringe.) [Hint: To find the average distance, be sure to remem ...
... pattern. When 100 have disappeared, record the new micrometer reading and calculate the mean wavelength. Repeat the procedure a few times and calculate an average. (You will probably need some practice for this. It is very easy to miss a fringe.) [Hint: To find the average distance, be sure to remem ...
Novel methods used to test large flat mirrors
... for meter-class mirrors, the CP process becomes less feasible because the tool diameter of a CP machine must be three times larger than the parts being produced. Overcoming these challenges will enable the manufacture of high-precision large flat mirrors for space-based and astronomical applications ...
... for meter-class mirrors, the CP process becomes less feasible because the tool diameter of a CP machine must be three times larger than the parts being produced. Overcoming these challenges will enable the manufacture of high-precision large flat mirrors for space-based and astronomical applications ...
Dark fringes
... same interference level k. --Equal thickness interference The fringes are the straight lines parallel to the edge. They have same distance. And there is a dark fringe at the contact edge(e =0) because of half-wave loss. ...
... same interference level k. --Equal thickness interference The fringes are the straight lines parallel to the edge. They have same distance. And there is a dark fringe at the contact edge(e =0) because of half-wave loss. ...
Wave optics
... The top drawing was used to determine the angles at which dark fringes occur, since any two waves #1 and #2 which originate from positions a/2 apart in the slit are out of phase by /2. ...
... The top drawing was used to determine the angles at which dark fringes occur, since any two waves #1 and #2 which originate from positions a/2 apart in the slit are out of phase by /2. ...
Lecture_Feb18_2015
... Surface characteristics (all wavelength-dependent!) • Absorptivity (may be internally transmitted) • Emissivity (=Absorptivity) • Reflectivity = Albedo = 1 – Emissivity • Bidirectional Reflectance Distribution Function (BRDF) How light incident on surface can be reflected differently into ALL outgo ...
... Surface characteristics (all wavelength-dependent!) • Absorptivity (may be internally transmitted) • Emissivity (=Absorptivity) • Reflectivity = Albedo = 1 – Emissivity • Bidirectional Reflectance Distribution Function (BRDF) How light incident on surface can be reflected differently into ALL outgo ...
![tutorial #10 [wave nature of light] .quiz](http://s1.studyres.com/store/data/020410144_1-db052accb2aa8cded167524d89755606-300x300.png)
tutorial #10 [wave nature of light] .quiz
... 1) A beam of light is sent directly down onto a glass plate, ng = 1.5, and a plastic plate, np = 1.2, that form a thin wedge of air as shown in fig. 1. An observer looking down through the glass plate sees the fringe pattern shown in the lower part of the drawing, with the dark fringes at the ends A ...
... 1) A beam of light is sent directly down onto a glass plate, ng = 1.5, and a plastic plate, np = 1.2, that form a thin wedge of air as shown in fig. 1. An observer looking down through the glass plate sees the fringe pattern shown in the lower part of the drawing, with the dark fringes at the ends A ...
Slide - Journal of Vision
... Figure 1. An achromatic Lambertian surface. The intensity of the light that is absorbed by a surface is proportional to the cosine of the angle between the rays of light from the punctate light source and the surface normal, n. A uniform diffuse light source contributes with a constant amount to the ...
... Figure 1. An achromatic Lambertian surface. The intensity of the light that is absorbed by a surface is proportional to the cosine of the angle between the rays of light from the punctate light source and the surface normal, n. A uniform diffuse light source contributes with a constant amount to the ...
(等倾干涉) — equal thickness interference.
... M1//M2 equal inclination interference M1//M2 equal thickness interference ...
... M1//M2 equal inclination interference M1//M2 equal thickness interference ...
optical quality standards
... ƛ is the wavelength of light to be used t is the geometrical thickness along the optical path n is the average refractive index for material in visible δ is the Peak to Valley departure for flatness of one surface 2(n-1) is the worst case contribution of both surfaces ...
... ƛ is the wavelength of light to be used t is the geometrical thickness along the optical path n is the average refractive index for material in visible δ is the Peak to Valley departure for flatness of one surface 2(n-1) is the worst case contribution of both surfaces ...
Experiment 5: Interference... Phys 431
... A. With careful dusting of a pair of flats, try to get as few fringes as possible. Place a ruler on the bottom plate and photograph the pattern. If you prefer, use a tripod to hold the camera; but it might be easier to focus on the fringes by manually holding the camera very close to the beamsplitte ...
... A. With careful dusting of a pair of flats, try to get as few fringes as possible. Place a ruler on the bottom plate and photograph the pattern. If you prefer, use a tripod to hold the camera; but it might be easier to focus on the fringes by manually holding the camera very close to the beamsplitte ...
