SteveSMP 0 Posted March 24, 2015 Anti Reflecting.... Share this post Link to post Share on other sites
RichardMiami 4 Posted March 24, 2015 Anti Reflective (coating) Sometimes applied to one side of the crystal, sometimes to both, sometimes neither. Sometimes issuing a blue hue to the crystal, other times not. Share this post Link to post Share on other sites
Wriggles 12 Posted March 24, 2015 there's a glossary thread stickied in the new member thread linked in red from the main page Share this post Link to post Share on other sites
Icemix69 4 Posted March 24, 2015 there's a glossary thread stickied in the new member thread linked in red from the main page Had a few of these 2day havent you lol Share this post Link to post Share on other sites
Wriggles 12 Posted March 25, 2015 there's a glossary thread stickied in the new member thread linked in red from the main page Had a few of these 2day havent you lol Yep. Amazing how big red letters saying "new members start here" are regularly ignored. Just waiting for the regular clown to pipe in and tell someone to ignore me again. Give a man a fish and he'll eat for a day, teach a man to fish and he'll eat for a lifetime.... Share this post Link to post Share on other sites
Cubic Hare 494 Posted March 25, 2015 You mean it's NOT International Talk like a Pirate Day? Q: How do you know you are a Pirate? A: You don't know, you just ARrrrrr Share this post Link to post Share on other sites
plankton 1 Posted March 25, 2015 There are degrees of AR, tint as well. Lots to read about this important issue. Share this post Link to post Share on other sites
Icemix69 4 Posted March 25, 2015 You mean it's NOT International Talk like a Pirate Day? Q: How do you know you are a Pirate? A: You don't know, you just ARrrrrr Lol Share this post Link to post Share on other sites
boss35 0 Posted March 25, 2015 Anti Reflecting.... Recently i learned that AR means ''ARMANI'' repwatches in Aliexpress Share this post Link to post Share on other sites
DR3M3L 4 Posted March 25, 2015 Whenever a ray of light moves from one medium to another (for example, when light enters a sheet of glass after travelling through air), some portion of the light is reflected from the surface (known as the interface) between the two media. This can be observed when looking through a window, for instance, where a (weak) reflection from the front and back surfaces of the window glass can be seen. The strength of the reflection depends on the refractive indices of the two media as well as the angle of the surface to the beam of light. The exact value can be calculated using the Fresnel equations. When the light meets the interface at normal incidence (perpendicularly to the surface), the intensity of light reflected is given by the reflection coefficient or reflectance, R: , where n0 and nS are the refractive indices of the first and second media, respectively. The value of R varies from 0 (no reflection) to 1 (all light reflected) and is usually quoted as a percentage. Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1–R. Thus if a beam of light with intensity I is incident on the surface, a beam of intensity RI is reflected, and a beam with intensity TI is transmitted into the medium. For the simplified scenario of visible light travelling from air (n0≈1.0) into common glass (nS ≈ 1.5), value of R is 0.04, or 4% on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss. In the more complicated scenario of multiple reflections, say with light travelling through a window, light is reflected both when going from air to glass and at the other side of the window when going from glass back to air. The size of the loss is the same in both cases. Light also may bounce from one surface to another multiple times, being partially reflected and partially transmitted each time it does so. In all, the combined reflection coefficient is given by 2R/ (1 + R). For glass in air, this is about 7.7%. Share this post Link to post Share on other sites
boss35 0 Posted March 25, 2015 Whenever a ray of light moves from one medium to another (for example, when light enters a sheet of glass after travelling through air), some portion of the light is reflected from the surface (known as the interface) between the two media. This can be observed when looking through a window, for instance, where a (weak) reflection from the front and back surfaces of the window glass can be seen. The strength of the reflection depends on the refractive indices of the two media as well as the angle of the surface to the beam of light. The exact value can be calculated using the Fresnel equations. When the light meets the interface at normal incidence (perpendicularly to the surface), the intensity of light reflected is given by the reflection coefficient or reflectance, R: , where n0 and nS are the refractive indices of the first and second media, respectively. The value of R varies from 0 (no reflection) to 1 (all light reflected) and is usually quoted as a percentage. Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1–R. Thus if a beam of light with intensity I is incident on the surface, a beam of intensity RI is reflected, and a beam with intensity TI is transmitted into the medium. For the simplified scenario of visible light travelling from air (n0≈1.0) into common glass (nS ≈ 1.5), value of R is 0.04, or 4% on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss. In the more complicated scenario of multiple reflections, say with light travelling through a window, light is reflected both when going from air to glass and at the other side of the window when going from glass back to air. The size of the loss is the same in both cases. Light also may bounce from one surface to another multiple times, being partially reflected and partially transmitted each time it does so. In all, the combined reflection coefficient is given by 2R/ (1 + R). For glass in air, this is about 7.7%. Share this post Link to post Share on other sites
black263 228 Posted March 25, 2015 Whenever a ray of light moves from one medium to another (for example, when light enters a sheet of glass after travelling through air), some portion of the light is reflected from the surface (known as the interface) between the two media. This can be observed when looking through a window, for instance, where a (weak) reflection from the front and back surfaces of the window glass can be seen. The strength of the reflection depends on the refractive indices of the two media as well as the angle of the surface to the beam of light. The exact value can be calculated using the Fresnel equations. When the light meets the interface at normal incidence (perpendicularly to the surface), the intensity of light reflected is given by the reflection coefficient or reflectance, R: , where n0 and nS are the refractive indices of the first and second media, respectively. The value of R varies from 0 (no reflection) to 1 (all light reflected) and is usually quoted as a percentage. Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1–R. Thus if a beam of light with intensity I is incident on the surface, a beam of intensity RI is reflected, and a beam with intensity TI is transmitted into the medium. For the simplified scenario of visible light travelling from air (n0≈1.0) into common glass (nS ≈ 1.5), value of R is 0.04, or 4% on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss. In the more complicated scenario of multiple reflections, say with light travelling through a window, light is reflected both when going from air to glass and at the other side of the window when going from glass back to air. The size of the loss is the same in both cases. Light also may bounce from one surface to another multiple times, being partially reflected and partially transmitted each time it does so. In all, the combined reflection coefficient is given by 2R/ (1 + R). For glass in air, this is about 7.7%. Does that mean it reduces reflections? Share this post Link to post Share on other sites
plankton 1 Posted March 25, 2015 Whenever a ray of light moves from one medium to another (for example, when light enters a sheet of glass after travelling through air), some portion of the light is reflected from the surface (known as the interface) between the two media. This can be observed when looking through a window, for instance, where a (weak) reflection from the front and back surfaces of the window glass can be seen. The strength of the reflection depends on the refractive indices of the two media as well as the angle of the surface to the beam of light. The exact value can be calculated using the Fresnel equations. When the light meets the interface at normal incidence (perpendicularly to the surface), the intensity of light reflected is given by the reflection coefficient or reflectance, R: , where n0 and nS are the refractive indices of the first and second media, respectively. The value of R varies from 0 (no reflection) to 1 (all light reflected) and is usually quoted as a percentage. Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1–R. Thus if a beam of light with intensity I is incident on the surface, a beam of intensity RI is reflected, and a beam with intensity TI is transmitted into the medium. For the simplified scenario of visible light travelling from air (n0≈1.0) into common glass (nS ≈ 1.5), value of R is 0.04, or 4% on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss. In the more complicated scenario of multiple reflections, say with light travelling through a window, light is reflected both when going from air to glass and at the other side of the window when going from glass back to air. The size of the loss is the same in both cases. Light also may bounce from one surface to another multiple times, being partially reflected and partially transmitted each time it does so. In all, the combined reflection coefficient is given by 2R/ (1 + R). For glass in air, this is about 7.7%. Does that mean it reduces reflections? There you go, very simple Share this post Link to post Share on other sites
Mike on a bike 0 Posted March 25, 2015 Whenever a ray of light moves from one medium to another (for example, when light enters a sheet of glass after travelling through air), some portion of the light is reflected from the surface (known as the interface) between the two media. This can be observed when looking through a window, for instance, where a (weak) reflection from the front and back surfaces of the window glass can be seen. The strength of the reflection depends on the refractive indices of the two media as well as the angle of the surface to the beam of light. The exact value can be calculated using the Fresnel equations. When the light meets the interface at normal incidence (perpendicularly to the surface), the intensity of light reflected is given by the reflection coefficient or reflectance, R: , where n0 and nS are the refractive indices of the first and second media, respectively. The value of R varies from 0 (no reflection) to 1 (all light reflected) and is usually quoted as a percentage. Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1–R. Thus if a beam of light with intensity I is incident on the surface, a beam of intensity RI is reflected, and a beam with intensity TI is transmitted into the medium. For the simplified scenario of visible light travelling from air (n0≈1.0) into common glass (nS ≈ 1.5), value of R is 0.04, or 4% on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss. In the more complicated scenario of multiple reflections, say with light travelling through a window, light is reflected both when going from air to glass and at the other side of the window when going from glass back to air. The size of the loss is the same in both cases. Light also may bounce from one surface to another multiple times, being partially reflected and partially transmitted each time it does so. In all, the combined reflection coefficient is given by 2R/ (1 + R). For glass in air, this is about 7.7%. Does that mean it reduces reflections? I think so but not sure................................ Share this post Link to post Share on other sites
DR3M3L 4 Posted March 25, 2015 Whenever a ray of light moves from one medium to another (for example, when light enters a sheet of glass after travelling through air), some portion of the light is reflected from the surface (known as the interface) between the two media. This can be observed when looking through a window, for instance, where a (weak) reflection from the front and back surfaces of the window glass can be seen. The strength of the reflection depends on the refractive indices of the two media as well as the angle of the surface to the beam of light. The exact value can be calculated using the Fresnel equations. When the light meets the interface at normal incidence (perpendicularly to the surface), the intensity of light reflected is given by the reflection coefficient or reflectance, R: , where n0 and nS are the refractive indices of the first and second media, respectively. The value of R varies from 0 (no reflection) to 1 (all light reflected) and is usually quoted as a percentage. Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1–R. Thus if a beam of light with intensity I is incident on the surface, a beam of intensity RI is reflected, and a beam with intensity TI is transmitted into the medium. For the simplified scenario of visible light travelling from air (n0≈1.0) into common glass (nS ≈ 1.5), value of R is 0.04, or 4% on a single reflection. So at most 96% of the light (T = 1 − R = 0.96) actually enters the glass, and the rest is reflected from the surface. The amount of light reflected is known as the reflection loss. In the more complicated scenario of multiple reflections, say with light travelling through a window, light is reflected both when going from air to glass and at the other side of the window when going from glass back to air. The size of the loss is the same in both cases. Light also may bounce from one surface to another multiple times, being partially reflected and partially transmitted each time it does so. In all, the combined reflection coefficient is given by 2R/ (1 + R). For glass in air, this is about 7.7%. Does that mean it reduces reflections? Yes. Basicly- it should- theoretically speaking. Share this post Link to post Share on other sites
trailboss99 994 Posted March 25, 2015 Oke, I'm stealing that one. Share this post Link to post Share on other sites
RichardMiami 4 Posted March 25, 2015 dogs? meh............ Share this post Link to post Share on other sites
DR3M3L 4 Posted March 25, 2015 dogs? meh............ Share this post Link to post Share on other sites
MadeInTaiwan 0 Posted March 25, 2015 Automatic Rifle Share this post Link to post Share on other sites
stevok2305 1 Posted March 25, 2015 (edited) Arnold Rimmer Edited March 25, 2015 by stevok2305 Share this post Link to post Share on other sites
zufir 0 Posted March 25, 2015 Arnold Rimmer ...I think I would trust this one guys. Forget about the complex explanation Share this post Link to post Share on other sites
trailboss99 994 Posted March 25, 2015 Arnold Rimmer Ya gotta love Arnie huh? 20 years on that show is still as funny as the day it was made and that is rare indeed. Share this post Link to post Share on other sites
