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PRELIMINARY STUDY ON PHOTONIC CRYSTAL
PRELIMINARY STUDY ON PHOTONIC CRYSTAL

... where n is refractive index, d is thickness of the material and index 1 and 2 is compiler material. In the picture 5, the value of the wavelength of the reflection spectrum is the forbidden wavelength (λgap) resulted from photonic pass band in photonic crystal. The photonic pass band in the photonic ...
Aero-Optical Environment Around a Cylindrical Turret with a Flat
Aero-Optical Environment Around a Cylindrical Turret with a Flat

... separated flow results in an unsteady separation bubble and subsequent reattached flow over the window. In this case the aberrating character of the flow is identical to that of shallow ramps tested in [5]. When the angle is sufficiently strong to fully separate the flow, the aberrating character of ...
reflection properties of a gaussian laser beam from multilayer
reflection properties of a gaussian laser beam from multilayer

... or window) in response to the sound waves of the conversation. The object preferably has a smooth surface. The laser beam is directed into the room through a window, reflected off the object and returned to a receiver that converts the beam to audio signal. The beam is mostly bounced off the window ...
ALMA Newsletter N°5
ALMA Newsletter N°5

Adaptive optics enhanced simultaneous en-face
Adaptive optics enhanced simultaneous en-face

Application of Digital Phase-shift Shadow Moiré to Micro
Application of Digital Phase-shift Shadow Moiré to Micro

PCF Based Sensor with High Sensitivity, High
PCF Based Sensor with High Sensitivity, High

... PCFs have contributed to further development of these structures in various applications in the fields of optical communications [7], nonlinear optics [8], high power technology [13] and sensing [1–5]. The availability of low loss optical fibers with the associated benefits of small size, low cost, ...
Confocal optical microscopy
Confocal optical microscopy

... laser light, which is highly coherent, but I will treat it as incoherent. This is appropriate because the illumination will be a focused beam that moves. Therefore when one spot is illuminated no other nearby spots are illuminated, and interference cannot occur. A consequence of this is that there c ...
II. On the Michelson-Morley Experiment relating to the Drift of the
II. On the Michelson-Morley Experiment relating to the Drift of the

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Lecture Notes

Wave optical simulations of x-ray nano
Wave optical simulations of x-ray nano

4 Modeling of SVE fields in WaveTrain
4 Modeling of SVE fields in WaveTrain

... SVE factor exp  i2t  . This could be implemented in various ways, one of which is illustrated in Figure 2. In Figure 2, we have introduced a user-created Matlab m-system called OpdTRampU. This system works in conjunction with the WT library system OpdMap, to create the SVE phase exp  i2t  at ...


... Fresnel (Near-Field) Diffraction The basic idea is to start again with the Huygen’s-Fresnel principle for secondary spherical wave propagation. At any instant, every point on the primary wavefront is envisioned as a continuous emitter of spherical secondary wavelets. However, no reverse wave travel ...
Lecture-12-Optics
Lecture-12-Optics

... Fresnel (Near-Field) Diffraction The basic idea is to start again with the Huygen’s-Fresnel principle for secondary spherical wave propagation. At any instant, every point on the primary wavefront is envisioned as a continuous emitter of spherical secondary wavelets. However, no reverse wave travel ...
Passive intrinsic-linewidth narrowing of ultraviolet extended-cavity diode laser by weak optical feedback
Passive intrinsic-linewidth narrowing of ultraviolet extended-cavity diode laser by weak optical feedback

Intense, ultrashort light and dense, hot matter
Intense, ultrashort light and dense, hot matter

3 Introduction to Add
3 Introduction to Add

... bypassing faulty connections, allowing minimal service disruption and the ability to adapt or upgrade the optical network to different WDM technologies. Configurations presented in the literature to perform the required add or drop functions use both planar and fibre technology. Planar devices [28-3 ...
Passive intrinsic-linewidth narrowing of ultraviolet extended-cavity diode laser by weak optical feedback.
Passive intrinsic-linewidth narrowing of ultraviolet extended-cavity diode laser by weak optical feedback.

PDF
PDF

Part 1
Part 1

Detailed Study Of AlAs-Oxidized Apertures in VCSEL Cavities for
Detailed Study Of AlAs-Oxidized Apertures in VCSEL Cavities for

Characterisation of the Humidity and Temperature Responses of a
Characterisation of the Humidity and Temperature Responses of a

Bimodal waveguide interferometer device based high sensitive biosensing
Bimodal waveguide interferometer device based high sensitive biosensing

... Main types of biofunctionalization processes; physical, covalent, and bioaffinity immobilization. . . . . . . . . . . . . . . . . . . . Refraction of light at the interface between two media of different refractive index, with n2 n1 . . . . . . . . . . . . . . . . . . . . . . Basic waveguides geomet ...
Atomic Spectroscopy
Atomic Spectroscopy

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Optical coherence tomography (OCT): a review
Optical coherence tomography (OCT): a review

... unrealistic assumption. However, models based on a modified version of this assumption provide a satisfactory description of OCT imaging in the eye and other transparent tissues composed of weakly reflecting layers that are flat over the cross section of the sample beam [22]–[25]. In this special ca ...
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Retroreflector



A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light back to its source with a minimum of scattering. In a retroreflector an electromagnetic wavefront is reflected back along a vector that is parallel to but opposite in direction from the wave's source. The angle of incidence at which the device or surface reflects light in this way is greater than zero, unlike a planar mirror, which does this only if the mirror is exactly perpendicular to the wave front, having a zero angle of incidence.
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