Fig. 10-1: Transmission windows
... An interferometric device uses 2 interfering paths of different lengths to resolve wavelengths Typical configuration: two 3-dB directional couplers connected with 2 paths having different lengths Applications: — wideband filters (coarse WDM) separate signals at1300 nm from those at 1550 nm — narrowb ...
... An interferometric device uses 2 interfering paths of different lengths to resolve wavelengths Typical configuration: two 3-dB directional couplers connected with 2 paths having different lengths Applications: — wideband filters (coarse WDM) separate signals at1300 nm from those at 1550 nm — narrowb ...
Investigation of Physical Properties in II-VI
... The ternary compound CdSxSe1-x is a highly photosensitive material, and finds many practical applications such as in discrete and multielement photo resistors, in optical filters, signal memory devices, laser screens, LSI circuits, Infrared imaging devices, Optoelectronic switches, linear image sens ...
... The ternary compound CdSxSe1-x is a highly photosensitive material, and finds many practical applications such as in discrete and multielement photo resistors, in optical filters, signal memory devices, laser screens, LSI circuits, Infrared imaging devices, Optoelectronic switches, linear image sens ...
Hanan khaled Mofty
... astigmatism) is refractive surgery. In this part we will know how refractive surgery corrects these cases. In general, thicker corneas permit treatment of larger amounts of nearsightedness and farsightedness. Corneas that are too thin may only allow small amounts of nearsightedness and farsightednes ...
... astigmatism) is refractive surgery. In this part we will know how refractive surgery corrects these cases. In general, thicker corneas permit treatment of larger amounts of nearsightedness and farsightedness. Corneas that are too thin may only allow small amounts of nearsightedness and farsightednes ...
John Kerr and his effects found in 1877 and 1878
... angle of incidence (direction of the incoming beam relative to the surface normal of the pole) between 60 and 80 . After having found that the interaction of light with the magnetic system obviously changed the character of the light, he tried to classify this new phenomenon by varying the set-up ...
... angle of incidence (direction of the incoming beam relative to the surface normal of the pole) between 60 and 80 . After having found that the interaction of light with the magnetic system obviously changed the character of the light, he tried to classify this new phenomenon by varying the set-up ...
The Optical and Physical Advisor: Peter Collings
... crystal phase have been published to date. The photosensitivity of the azo-benzene liquid crystals arises for reasons analogous to the ones given above, and has been examined because of such a system's high potential to be useful in all-optical switching devices. Lee et al. (2000) found that irradia ...
... crystal phase have been published to date. The photosensitivity of the azo-benzene liquid crystals arises for reasons analogous to the ones given above, and has been examined because of such a system's high potential to be useful in all-optical switching devices. Lee et al. (2000) found that irradia ...
VeeMAX UV-Visible Variable Angle Specular Reflectance Accessory
... Angles for Special Applications • Mirrors operating at 45° on laser tables are required to direct the beam through experiments in research applications. • Hot mirrors, cold mirrors and bandpass mirrors have different cut-on and cut-off wavelengths depending on the angle of incidence. How does a shif ...
... Angles for Special Applications • Mirrors operating at 45° on laser tables are required to direct the beam through experiments in research applications. • Hot mirrors, cold mirrors and bandpass mirrors have different cut-on and cut-off wavelengths depending on the angle of incidence. How does a shif ...
Frequency-Dependent Optical Constants of Water Ice Obtained
... in regions of low k.35,56At wavelengths where k is nonneglischematically in Figure 1. Four separate cooling coils are used gible, the reflected power is a sensitive function of both optical to control the temperature of the three observation regions. Cold constants, and a self-consistent set of n an ...
... in regions of low k.35,56At wavelengths where k is nonneglischematically in Figure 1. Four separate cooling coils are used gible, the reflected power is a sensitive function of both optical to control the temperature of the three observation regions. Cold constants, and a self-consistent set of n an ...
... conductivity). The highly predictive character of the expressions derived by Kogelnik made his work one of the most cited by holographic researchers. Nonetheless Kogelnik’s theory assumed some approximations that make it inaccurate for some cases, such as dielectric gratings that are not sinusoidal ...
2.71/2.710 Optics
... Administrative: both (cont.) • TA Office hours: Tuesday 1-3pm • Unlimited email access (broadcasts encouraged), best effort to reply within 24hrs. • Recitations during scheduled class hours – most Mondays (some separate for 2.71 and 2.710) – broadcast by e-mail when not in syllabus – contents • exa ...
... Administrative: both (cont.) • TA Office hours: Tuesday 1-3pm • Unlimited email access (broadcasts encouraged), best effort to reply within 24hrs. • Recitations during scheduled class hours – most Mondays (some separate for 2.71 and 2.710) – broadcast by e-mail when not in syllabus – contents • exa ...
Optics - Jnoodle
... The "underwater bright circle" and reversible rays This was for light "attempting" to leave a medium with n > 1. An example of this would be a light source at the bottom of a pool, from which light can be refracted into the air only for angles of incidence smaller than the critical angle as they hit ...
... The "underwater bright circle" and reversible rays This was for light "attempting" to leave a medium with n > 1. An example of this would be a light source at the bottom of a pool, from which light can be refracted into the air only for angles of incidence smaller than the critical angle as they hit ...
CHAPTER 3
... 1- Impurities in fiber material - occurs due to electronic transitions between the energy levels and because of charge transitions from one ion to another. A major source of attenuation is from transition of metal impurity ions such as iron, chromium, cobalt, and copper 2- Intrinsic absorption- Intr ...
... 1- Impurities in fiber material - occurs due to electronic transitions between the energy levels and because of charge transitions from one ion to another. A major source of attenuation is from transition of metal impurity ions such as iron, chromium, cobalt, and copper 2- Intrinsic absorption- Intr ...
6_Line_Communication
... conductor also. The shield wire is then again covered with a suitable insulation which also serves as a protection against mechanical injuries. A typical cable used in communication system is used for multiple channels. A large channel system with 10,500 channels is much cheaper than equivalent numb ...
... conductor also. The shield wire is then again covered with a suitable insulation which also serves as a protection against mechanical injuries. A typical cable used in communication system is used for multiple channels. A large channel system with 10,500 channels is much cheaper than equivalent numb ...
PowerPoint 簡報
... Terminal Chain: usually aliphatic chain, linear but soft so that the melting point could be reduced. Without significant destroy the LC phase. Note that sometimes one terminal unit is replaced by a polar group to provide a more stable nematic phase. Side group: to control the lateral interaction and ...
... Terminal Chain: usually aliphatic chain, linear but soft so that the melting point could be reduced. Without significant destroy the LC phase. Note that sometimes one terminal unit is replaced by a polar group to provide a more stable nematic phase. Side group: to control the lateral interaction and ...
Generation of vortex beams by an image-rotating - AS
... axis, the circulating light will exactly overlap the injected beam after four trips around the cavity rather than after a single pass. The mode spacing is then c/4L, so there are three extra resonances between the original modes associated with perfect seed alignment. They correspond to single-pass ...
... axis, the circulating light will exactly overlap the injected beam after four trips around the cavity rather than after a single pass. The mode spacing is then c/4L, so there are three extra resonances between the original modes associated with perfect seed alignment. They correspond to single-pass ...
Document
... • The value of refractive index depends on the type of medium and the colour of the light. • It is dimensionless and its value greater than 1. • Consider the light ray travels from medium 1 into medium 2, the refractive index can be denoted by ...
... • The value of refractive index depends on the type of medium and the colour of the light. • It is dimensionless and its value greater than 1. • Consider the light ray travels from medium 1 into medium 2, the refractive index can be denoted by ...
Chapter two_part B
... guided wavelength. ▪ These result from the non-perfect cylindrical structure of the waveguide and may be caused by fiber imperfections such as irregularities in the core-cladding interface, core-cladding refractive index differences along the fiber length, diameter fluctuations, strains and bubbles. ...
... guided wavelength. ▪ These result from the non-perfect cylindrical structure of the waveguide and may be caused by fiber imperfections such as irregularities in the core-cladding interface, core-cladding refractive index differences along the fiber length, diameter fluctuations, strains and bubbles. ...
Generation and application of a high-average- power polarized soft-x-ray laser beam
... 1.5 m from the exit of the capillary-discharge laser. The laser pulses were generated at a repetition rate of 1 Hz and were polarized by a Si/Sc multilayer-coated mirror fixed at an angle of 45° from the incoming beam. To analyze the polarization of the beam, a second multilayercoated mirror, which ...
... 1.5 m from the exit of the capillary-discharge laser. The laser pulses were generated at a repetition rate of 1 Hz and were polarized by a Si/Sc multilayer-coated mirror fixed at an angle of 45° from the incoming beam. To analyze the polarization of the beam, a second multilayercoated mirror, which ...
Shedding Light on Hybrid Optics: A Tutorial in
... µm or less, positioning equipment capable of submicron resolution along all three axes must be used to align the waveguide. Such equipment is bulky, expensive, and difficult to use. An alternative technique is to first attach the lens to the waveguide to produce a collimated beam in free space. This ...
... µm or less, positioning equipment capable of submicron resolution along all three axes must be used to align the waveguide. Such equipment is bulky, expensive, and difficult to use. An alternative technique is to first attach the lens to the waveguide to produce a collimated beam in free space. This ...
Birefringence
Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These optically anisotropic materials are said to be birefringent (or birefractive). The birefringence is often quantified as the maximum difference between refractive indices exhibited by the material. Crystals with asymmetric crystal structures are often birefringent, as are plastics under mechanical stress.Birefringence is responsible for the phenomenon of double refraction whereby a ray of light, when incident upon a birefringent material, is split by polarization into two rays taking slightly different paths. This effect was first described by the Danish scientist Rasmus Bartholin in 1669, who observed it in calcite, a crystal having one of the strongest birefringences. However it was not until the 19th century that Augustin-Jean Fresnel described the phenomenon in terms of polarization, understanding light as a wave with field components in transverse polarizations (perpendicular to the direction of the wave vector).