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Optical device which splits a beam of light in two
depending on the diffractive pattern on the element. The diffractive beam splitter is used with monochromatic light such as a laser beam, and is designed
Beam_splitter
1-dimensional beam array (1xN) or a 2-dimensional beam matrix (MxN), depending on the diffractive pattern on the element. The diffractive beam splitter is used
Diffractive_beam_splitter
Physics experiment
splits the beam with a beam splitter. In the basic version of this experiment, a coherent light source, such as a laser beam, illuminates a plate pierced
Double-slit_experiment
Laser to generate a laser line instead of a point
for use with image processing. Diffractive beam splitter, an optical element that divides a beam into multiple beams, like for example a matrix of dots
Line_laser
resulting beam at the intended angle. The two main components every integrated OPA has are the splitter network and phase modulators. The splitter network
Integrated optical phased array
Integrated_optical_phased_array
Interferometric arrangement
beam splitter is made parallel using a lens and split by slits into two beams, which traverse a tube carrying water moving with velocity v. Each beam
Fizeau_interferometer
Device which diffracts light via sound waves
crystal at the same angle. Finally, the returning light is split off using a polarizing beam splitter. In this configuration, the output frequency shift is
Acousto-optic_modulator
Technique to analyze the infrared spectrum of matter
approximately a black-body radiator, is collimated and directed to a beam splitter. Ideally 50% of the light is refracted towards the fixed mirror and
Fourier-transform infrared spectroscopy
Fourier-transform_infrared_spectroscopy
Method of fabricating nanometer scale patterns using a special stamp
biomolecular sorting device an order of magnitude smaller and more efficient. A diffractive lens created using nanoimprint lithography A key benefit of nanoimprint
Nanoimprint_lithography
Imaging and diffraction using electrons that pass through samples
Transmission electron microscopy (TEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image. The specimen
Transmission electron microscopy
Transmission_electron_microscopy
Experimental method in X-ray diffraction
waves reach the sample, the incoming beam is either reflected off the surface, or can enter the lattice and be diffracted by the atoms present in the sample
Powder_diffraction
Type of gunsight
the reticle image hologram. The source beam is light that is sourced from the reference beam (via a beam-splitter) that takes an alternative path, reflecting
Holographic_weapon_sight
Transparent optical element with flat, polished surfaces that refract light
of one right-angled prism, and cemented to another prism to form a beam-splitter cube. Overall optical performance of such a cube is determined by the
Prism_(optics)
Concept in quantum mechanics
The first beam-splitter mirror acts like double slits, but in the interferometer case we can remove the second beam splitter. Then the beam heading down
Wave–particle_duality
Using wave optics to reproduce a three-dimensional light field
laser beam to be aimed through a series of elements that change it in different ways. The first element is a beam splitter that divides the beam into two
Holography
Scanning electron microscopy technique
beam of electrons hits a tilted sample. As backscattered electrons leave the sample, they interact with the atoms and are both elastically diffracted
Electron backscatter diffraction
Electron_backscatter_diffraction
Measurement device
"zero order diffracted order" while a small amount of the beam is diffracted into a higher diffractive order, providing a "sample" of the beam. By directing
Laser_beam_profiler
Common configuration for optical interferometry
Abraham Michelson in 1887. Using a beam splitter, a light source is split into two arms. Each of those light beams is reflected back toward the beamsplitter
Michelson_interferometer
Type of angular momentum in light
angular momentum of a light beam that is dependent on the field spatial distribution, and not on the polarization. OAM can be split into two types. The internal
Orbital angular momentum of light
Orbital_angular_momentum_of_light
Special lens with a conical surface
allows a wide variety of beam patterns to be generated. It can be used to turn a Gaussian beam into a non-diffractive Bessel-like beam. Axicons were first
Axicon
enhancement Diamond turning Dichroic filter Dielectric mirror Diffractive beam splitter Digital holographic microscopy Diode-pumped solid-state laser
List_of_laser_articles
simple case of transforming a two-beam array, a universal modal unitary can be implemented using a variable beam splitter and three phase-shifters. In 1994
Universal multiport interferometer
Universal_multiport_interferometer
Ways in which length, distance or range can be measured
interferometer: the two panels show a laser source emitting a light beam split by a beam splitter (BS) to travel two paths. The light is recombined by bouncing
Length_measurement
Optical filter in fluorescence microscopy
filter and a dichroic beam splitter in a cube so that the group is inserted together into the microscope. The dichroic beam splitter controls which wavelengths
Excitation_filter
Technique for patterning photomasks
requirement can be lifted if a diffraction grating is used as a beam splitter, since different wavelengths would diffract into different angles but eventually
Interference_lithography
Fundamental principle of physics
a beam can be modeled as a linear system where the input stimulus is the load on the beam and the output response is the deflection of the beam. The
Superposition_principle
Changing the direction of the main lobe of a radiation pattern
Beam steering is a technique for changing the direction of the main lobe of a radiation pattern. Beam tilt is used in radio to aim the main lobe of the
Beam_steering
Light wave manipulation
devices and for aiming laser beams on a macroscopic scale. Complicated patterns of phase variation can be used to produce diffractive optical elements, such
Phased-array_optics
Device to determine relative phase shift
|α|2+|β|2=1. Both beam splitters are modelled as the unitary matrix B=12(1ii1), which means that when a photon meets the beam splitter it will either stay
Mach–Zehnder_interferometer
Kind of show made with laser light
holograms, essentially complicated gratings, the beam can be split into various patterns. Diffraction uses something referred to as the Huygens-Fresnel
Laser_lighting_display
International high-tech company
commercialization of new products based on diffractive optical elements (DOEs). Holo/Or is a leading company in the field of diffractive optical design and manufacture
Holo/Or
Overview article
re-constructing beam is incident. Only volume holograms can be used to make reflection holograms, as only a very low intensity diffracted beam would be reflected
Physics_of_optical_holography
Quantum mechanical waves describing matter
matter exhibits wave-like behavior. For example, a beam of electrons can be diffracted just like a beam of light or a water wave. The concept that matter
Matter_wave
Measurement method using interference of waves
incoming beam of coherent light will be split into two identical beams by a beam splitter (a partially reflecting mirror). Each of these beams travels
Interferometry
Physics experiment in quantum mechanics
photon is subjected to a beam splitter. If one thinks in terms of a stream of photons being randomly directed by such a beam splitter to go down two paths
Delayed-choice_quantum_eraser
Phenomenon resulting from the superposition of two waves
wavefront-division systems. In an amplitude-division system, a beam splitter is used to divide the light into two beams travelling in different directions, which are then
Wave_interference
Measurement technique
the broadband light source. A beam splitter separates the light into reference and measurement beams. The reference beam is reflected by the reference
White_light_interferometry
Optical phenomenon
Laguerre-Gaussian beam which is transferred to film. The CGH resembles a common Ronchi linear diffraction grating, save a "fork" dislocation. An incident laser beam creates
Optical_vortex
Microscopy technique
into an optical fiber through a polarizer, a beam splitter and a coupler. The polarizer and the beam splitter would serve to remove stray light from the
Near-field scanning optical microscope
Near-field_scanning_optical_microscope
light Avalanche photodiode Aventurescence Axicon Barrel distortion Beam splitter Beer–Lambert law Binoculars Biophotonics Birefringence Black-body radiation
Index_of_optics_articles
ray-tracing. A variant of beam tracing casts a pyramidal beam through each pixel of the image plane. This is then split up into sub-beams based on its intersection
Beam_tracing
Vacuum tube used to display images
a vacuum tube containing one or more electron guns, which emit electron beams, which are directed and controlled to display images on a phosphorescent
Cathode_ray_tube
operated at a power level of about 100 watts of laser power at the beam splitter. A currently ongoing upgrade to Advanced LIGO will require several kilowatts
Common-path_interferometer
Type of transmissive optical device
metamaterials to achieve super-resolution imaging and go beyond the diffraction limit. The diffraction limit is a feature of conventional lenses and microscopes
Superlens
X-ray imaging technique
("topographies") record the intensity profile of a beam of X-rays (or, sometimes, neutrons) diffracted by a crystal. A topography thus represents a two-dimensional
Diffraction_topography
microstructures. To achieve interference, the beam is divided by a beam splitter, specialized prisms, or other elements. The beams are then overlapped on amaterial
Direct laser interference patterning
Direct_laser_interference_patterning
Elementary particle with negative charge
diffraction (LEED) is a method of bombarding a crystalline material with a collimated beam of electrons and then observing the resulting diffraction patterns
Electron
Synchrotron radiation facility at Lund University in Sweden
give the electron beam the size of a pressed human hair. In 5 of the 12 straight sections, undulators are oscillating the electron beam, causing it to emit
MAX_IV_Laboratory
Compact composite lens
refraction to capture more oblique light from the light source and add it to the beam, making it visible at greater distances. The design allows the construction
Fresnel_lens
Branch of spectroscopy
The light source is shone into a monochromator, diffracted into a rainbow, and split into two beams. It is then scanned through the sample and the reference
Spectrophotometry
Range of spectroscopic analysis
a double-beam instrument, the light is split into two beams before it reaches the sample. One beam is used as the reference; the other beam passes through
Ultraviolet–visible spectroscopy
Ultraviolet–visible_spectroscopy
Idealized model of light
optics or wave theory. Collimated beam Cone of rays Optical path Optical path length Paraxial approximation Pencil beam Ray transfer matrix analysis Moore
Ray_(optics)
Electromagnetic radiation with wavelengths from 1 m to 1 mm
travel by line-of-sight; unlike lower frequency radio waves, they do not diffract around hills, nor follow the Earth's surface as ground waves, nor reflect
Microwave
Interferometer which uses the wave-like nature of atoms
are reversed compared to the laser based interferometers, i.e. the beam splitter and mirrors are lasers while the source emits matter waves (the atoms)
Atom_interferometer
Elementary particle or quantum of light
waves will diffract, but photon energy does not spread out as it propagates, nor does this energy divide when it encounters a beam splitter. Rather, the
Photon
Object detection system using radio waves
Hoyt Taylor and Leo C. Young discovered that ships passing through the beam path caused the received signal to fade in and out. Taylor submitted a report
Radar
Dispersive optical device
virtually imaged phased array (VIPA) in combination with a wavelength splitter to demultiplex wavelength division multiplexed (WDM) light" Archived 2024-10-08
Virtually_imaged_phased_array
Imaging systems using changes in phase
increased. Since the position of the interference fringes formed behind the beam-splitter grating is independent of wavelength over a wide energy range of the
Phase-contrast_X-ray_imaging
Type of reflective prism
the beam is split in half, with one half of the beam hitting first one face then the other face, while it is invert for the other half of the beam. Therefore
Roof_prism
Technique used in optical systems
to achieve a greater field of view. An alternative is the use of a laser beam to generate a reference light source (a laser guide star, LGS) in the atmosphere
Adaptive_optics
Potential for two waves to interfere
when one of the mirrors is moved away gradually from the beam-splitter, the time for the beam to travel increases and the fringes become dull and finally
Coherence_(physics)
Semiconductor laser
where one needs a very large amount of power, but not a small diffraction-limited TEM00 beam, such as in printing, activating chemicals, microscopy, or pumping
Laser_diode
Quantum-mechanical many-body entangled state
spontaneous parametric down-conversion and a classical laser beam on a 50:50 beam splitter, was used by I. Afek, O. Ambar, and Y. Silberberg to experimentally
NOON_state
History of research by Augustin-Jean Fresnel
wavefront of limited extent (in a uniform medium) gave a straight, parallel beam. While this construction indeed predicted rectilinear propagation, it was
Fresnel's_physical_optics
Model of phonons-polaritons
phonon-polariton propagation may also be achieved by guided wave, reflective, diffractive, and dispersive elements, as well as photonic and effective index crystals
Polaritonics
Concept in Quantum mechanics
that is diffracted by a diffractive object, such as for example a crystal, is regarded as really and physically behaving like a wave, split into components
Ensemble_interpretation
Product of geometric length and refractive index
lengths of two coherent waves (for example, a laser beam split into two paths by a beam splitter) determines the corresponding phase difference at their
Optical_path_length
Type of distributed Bragg reflector constructed in a short segment of optical fiber
reconfigurable through special packaging and system design. Different coatings of diffractive structure are used for fiber Bragg gratings in order to reduce the mechanical
Fiber_Bragg_grating
Imaging method
spin state may be monitored by feeding the transmitted probe beam through a beam splitter before imaging onto a camera sensor. By adjusting the polarizer
Phase-contrast_imaging
CERN LHC experiment
into separate beam pipes; AFP (Atlas Forward Proton) is designed to tag diffractive events, and located at 204 m and 217 m; ALFA (Absolute Luminosity For
ATLAS_experiment
Deviation of electrons from their original trajectories
solid in several ways: Not at all: no electron scattering occurs and the beam passes straight through. Single scattering: when an electron is scattered
Electron_scattering
Funnel-shaped waveguide radio device
a flaring metal waveguide shaped like a horn to direct radio waves in a beam. Horns are widely used as antennas at UHF and microwave frequencies, above
Horn_antenna
Microscope observing a thin depth of a cell
TIRFM, the excitation beam and fluoresced emission beam will be captured via the same objective lens. Thus, to split the beams, a dichromatic mirror is
Total internal reflection fluorescence microscope
Total_internal_reflection_fluorescence_microscope
plasmas (laboratory or astrophysical) or in accelerator experiments (beam-foil, electron beam ion trap (EBIT)). The lowest exited electron shells of such ions
History_of_spectroscopy
Measurement of infrared radiation's interaction with matter
[citation needed] The infrared spectrum of a sample is recorded by passing a beam of infrared light through the sample. When the frequency of the IR matches
Infrared_spectroscopy
Spectroscopic technique
electron population spectra are obtained by irradiating a material with a beam of X-rays. XPS is based on the photoelectric effect that can identify the
X-ray photoelectron spectroscopy
X-ray_photoelectron_spectroscopy
Microwave antenna
which functions as a converging lens to collimate the radio waves into a beam. Conversely, in a receiving antenna the lens focuses the incoming radio waves
Lens_antenna
Optical characteristics of the atmosphere
of light penetrating holes in low clouds (also called "Jacob's Ladder"). Beams of light diverging from behind a cloud. Pale, pinkish or reddish rays that
Atmospheric_optics
Holography of electron waves
transmission electron microscope (TEM) in an off-axis scheme. The electron beam is split into two parts by a paper-thin positively charged wire. Positive voltage
Electron_holography
Type of electromagnetic spectroscopy
lamp has a constant intensity at all wavelengths. To correct this, a beam splitter can be applied after the excitation monochromator or filter to direct
Fluorescence_spectroscopy
Non-mathematical introduction
the work contributing to Stern’s 1943 Nobel Prize in Physics. They fired a beam of silver atoms through a magnetic field. According to classical physics
Introduction to quantum mechanics
Introduction_to_quantum_mechanics
Material with a negative refractive index
reversed. Resolution below the diffraction limit becomes possible. This is known as subwavelength imaging. Transmitting a beam of light via an electromagnetically
Negative-index_metamaterial
Computer that uses photons or light waves
be nonlinear optical crystals used to manipulate light beams into controlling other light beams. Like any computing system, an optical computing system
Optical_computing
Material designed to manipulate sound waves
three-dimensional lightweight re-entrant meta-structure composed of a cross-shaped beam scatterer embedded in a host plate with holes based on the square lattice
Acoustic_metamaterial
Thin layer of material
using diffraction contrast in TEM images. Higher-order Laue zone (HOLZ) features can be accurately measured using convergent beam electron diffraction. This
Thin_film
Apparatus for trapping and cooling neutral atoms
brings an atomic transition into resonance with the laser beams. The polarization of the beam propagating in the opposite direction of this atomic motion
Magneto-optical_trap
British physicist (1856–1940)
sharpened to a beam by two metal slits – the first of these slits doubled as the anode, the second was connected to the earth. The beam then passed between
J._J._Thomson
Mathematical method used in optics and acoustics
each layer. In this description the interface is split into n layers. Since the incident neutron beam is refracted by each of the layers the wavevector
Transfer-matrix method (optics)
Transfer-matrix_method_(optics)
Complete reflection of a wave
and forces. A beam-splitter cube uses frustrated TIR to divide the power of the incoming beam between the transmitted and reflected beams. The width of
Total_internal_reflection
Proposed nuclear pulse propulsion through antimatter-catalyzed nuclear chain reactions
and some is transferred as kinetic energy to the nucleus, causing it to split (the fission reaction). The resulting shower of neutrons can cause the surrounding
Antimatter-catalyzed nuclear pulse propulsion
Antimatter-catalyzed_nuclear_pulse_propulsion
Analytical technique
signal The filtered beam is once again focused through a lens and split into several beams with a diffraction grading The diffracted signal is reflected
Piezospectroscopy
Periodic optical nanostructure that affects the motion of photons
750,000 polymer nanorods.[clarification needed] Light focused on this beam splitter penetrates or is reflected, depending on polarization. ] Not only band
Photonic_crystal
International research facility
space for seven light beams, only two beams were operational when the facility opened in 2017. The first beam is an X-ray beam that will be used to study
Synchrotron-Light for Experimental Science and Applications in the Middle East
Synchrotron-Light_for_Experimental_Science_and_Applications_in_the_Middle_East
Technique of measuring electromagnetic spectra
infrared laser, optical beamsplitters, beam steering mirrors, delay stages, a terahertz generator, terahertz beam focusing and collimating optics like parabolic
Terahertz time-domain spectroscopy
Terahertz_time-domain_spectroscopy
Use of plasmons for data transmission in circuits
trivial to make. Many passive elements such as prisms, lenses, and beam splitters can be implemented in a plasmonic circuit, however fabrication at the
Plasmonics
Signal attenuation in telecommunications
loss may be due to many effects, such as free-space loss, refraction, diffraction, reflection, aperture-medium coupling loss, and absorption. Path loss
Path_loss
Matter ejection from a target due to projectile impact
beam producing a bit over 30 neutrons in the most productive targets), while fission produces on the order of 200 MeV per actinide atom that is split
Spallation
High-power laser at the Lawrence Livermore National Laboratory
devices. One problem was the homogeneity of the beams. Even minor variations in intensity of the beams would result in "self-focusing" in the air and glass
Nova_(laser)
Material which alters light reflection or transmission on optics
This effect can be exploited to produce coatings that polarize a light beam. By manipulating the exact thickness and composition of the layers in the
Optical_coating
Imaging technique
time-of-flight of reflected light. OCT uses transverse sample scanning of the light beam to obtain two- and three-dimensional images. Short-coherence-length light
Optical_coherence_tomography
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DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
Surname or Lastname
English
English : from Old English bēam ‘beam’, ‘post’, a term with various applications. It denoted the beam of a loom and was therefore in some cases a metonymic occupational name for a weaver. In others it was a topographic name for someone who lived by a post or tree, or by a footbridge made from a tree trunk.Americanized form of German Boehm, or sometimes of Baum.
Boy/Male
Muslim
Fun, Eid, Enjoyment
Surname or Lastname
English
English : habitational name from Bream in Worcestershire, which is probably named in Old English as ‘the place where broom grows’, from brÄ“me, an unattested dialect variant of brÅm ‘broom’.English : nickname for a fierce or energetic person, from Middle English brem(e), brim(me) ‘fierce’, ‘vigorous’ (from Old English brÄ“me ‘famous’, ‘noble’).English : variant of Braham.
Boy/Male
German African
Bear.
Boy/Male
Irish Hebrew Dutch English Scottish Gaelic
Surname or Lastname
English
English : probably a habitational name from Bytham in Lincolnshire, so named with Old English bythme ‘valley bottom’ + hÄm ‘homestead’.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : from Old French bel(e) ‘fair’, ‘lovely’ (see Beau), either a nickname for a handsome man or a metronymic from this word used as a female personal name.English : habitational name from places so named in Northumberland and West Yorkshire. The former of these (Behil in early records) comes from Old English bēo ‘bee’ + hyll ‘hill’; the latter (Begale in Domesday Book) is from Old English bēag ‘ring’, here probably used in the sense ‘river bend’, or an unattested personal name Bēaga derived from this word + halh ‘nook’, ‘recess’.French (Béal) : topographic name for someone who lived by a mill race, from the Lyonnaise dialect term béal, bezale, bedale (of Gaulish origin).Americanized spelling of German Biehl or Bühl (see Buehl).Lt. Col. Thomas Beal(e) (c.1621–c.1676) of London settled in York Co., VA, about 1650.
Surname or Lastname
English
English : from the Middle English nickname Bere meaning ‘bear’ (Old English bera, which is also found as a byname), or possibly from a personal name derived from a short form of the various Germanic compound names with this first element. Compare for example Bernhard. The bear has generally been regarded with a mixture of fear and amusement because of its strength and unpredictable temper on the one hand and its clumsy gait on the other, and in the medieval period it was also thought to typify the sins of sloth and gluttony. All these characteristics are no doubt reflected in the nickname. Throughout the Middle Ages the bear was a familiar figure in popular entertainments such as bear baiting and dancing bears.English : variant spelling of the habitational name Beer.Probably a translation of cognates of 1 in other languages, for example German Baer, and also an Americanized spelling of German Bahr.
Male
English
Originally an English pet name BEAU means "handsome," derived from the French word, beau, meaning "beautiful." Later, in the 19th century, it was used as a word meaning "admirer" or "sweetheart." Its use as a forename seems to have been due to Wren's novel Beau Geste (1924) and the character Beau Wilkes in Mitchell's Gone With the Wind (1936).Â
Boy/Male
Australian, German
Bear; Courageous
Surname or Lastname
Scottish
Scottish : variant of Bate or Beath.English and Scottish : from a short form of the female personal name Beton (see Beaton 2).
Boy/Male
Scottish
Fair skinned.
Boy/Male
African, German
Peace; Bear
Girl/Female
Latin
andmeaning bringer of joy.
Boy/Male
American, British, English, French
Handsome
Boy/Male
Irish
Small.
Surname or Lastname
English
English : metonymic occupational name for a grower or seller of beans, from Old English bēan ‘beans’ (a collective singular). Occasionally it may have been applied as a nickname for a someone considered of little importance.English : nickname for a pleasant person, from Middle English bēne ‘friendly’, ‘amiable’ (of unknown origin; there is apparently no connection with Bain or Bon).Scottish : Anglicized form of the Gaelic personal name Beathán, a diminutive of beatha ‘life’.Translation of German Bohne, or an altered spelling of Biehn. See also Bihn.Mistranslation of French Lefevre. As the vocabulary word fèvre ‘smith’ was replaced by forgeron, the meaning of the old word became opaque, and the surname was reinterpreted as if it were La fève, from fève ‘(fava) bean’. Lefevre is the most common name in French Canada; great numbers of them migrated to the US, where many adopted the name Bean, in the belief that it was a translation of Lefèvre. See also Lafave.
Boy/Male
French American
Handsome. Famous namesakes: 19th-century British dandy Beau Brummell, AKA George Bryan Brummell;...
Boy/Male
Latin
F: Ameaning bringer of joy. In the Divine Comedy, Beatrice was Dante's guide through Paradise,...
Female
English
Short form of English Beatrix, BEA means "voyager (through life)."Â
DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
DIFFRACTIVE BEAM-SPLITTER
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