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Device that amplifies an optical signal
An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier
Optical_amplifier
Laser light source
An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification
Optical_parametric_amplifier
Transmitting information over optical fiber
optical transmitters that convert electrical signals into optical signals, optical fiber cables to carry the signal, optical amplifiers, and optical receivers
Fiber-optic_communication
Means of communication using light
international and transoceanic networks. It is a form of optical communication that relies on optical amplifiers, lasers or LEDs and wavelength-division multiplexing
Optical_networking
Device that emits light via optical amplification
theoretical work by Charles H. Townes and Arthur Leonard Schawlow and the optical amplifier patented by Gordon Gould. A laser differs from other sources of light
Laser
Number used to evaluate the performance of an amplifier
For an optical amplifier with large G it holds Fpnf ≥ 2 whereas for an electrical amplifier it holds Fe ≥ 1. Moreover, today's long-haul optical fiber
Noise_figure
Technical applications of optics
Optical amplifiers used in optical communications are erbium-doped fiber amplifiers, semiconductor optical amplifiers, Raman amplifiers and optical parametric
Photonics
Linked hypertext system on the Internet
utilising optical amplifiers to transmit data via light. Under chief executive officer Pat Nettles, Ciena developed a dual-stage optical amplifier for dense
World_Wide_Web
Device used to extend the reach of optical communications links
contrast, an optical amplifier can amplify all of the wavelengths in a single device and works for all modulation formats. An amplifier does not provide
Optical communications repeater
Optical_communications_repeater
waveguide amplifier (or EDWA) is a type of an optical amplifier enhanced with erbium. It is a close relative of an EDFA, erbium-doped fiber amplifier, and
Erbium-doped waveguide amplifier
Erbium-doped_waveguide_amplifier
Electronic device/component that increases the strength of a signal
power amplifier Lock-in amplifier Low-noise amplifier Negative feedback amplifier Optical amplifier Programmable-gain amplifier Tuned amplifier Valve
Amplifier
Light-conducting fiber
erbium-doped fiber amplifier, which reduced the cost of long-distance fiber systems by reducing or eliminating optical-electrical-optical repeaters, in 1986
Optical_fiber
Powering mechanism for lasers
stimulated emission can take place and the medium can act as a laser or an optical amplifier. The pump power must be higher than the lasing threshold of the laser
Laser_pumping
Transparent non-crystalline solid material
suitable for manufacturing optical lenses, prisms, and optoelectronics materials. Extruded glass fibres have applications as optical fibres in communications
Glass
Laser pulsing technique
dump the beam from the cavity. In regenerative amplification, an optical amplifier is placed inside a Q-switched cavity. Pulses of light from another
Q-switching
Amplifier that uses quantum mechanical methods
quantum amplifier is an amplifier that uses quantum mechanical methods to amplify a signal; examples include the active elements of lasers and optical amplifiers
Quantum_amplifier
Use of light to convey information
on optical networking systems using optical fiber, optical amplifiers, lasers, switches, routers, and other related technologies. Free-space optical communication
Optical_communication
Gain-switching Modelocking Optical amplifier Q-switching Raman amplification Paschotta, Dr Rüdiger (2006-03-11). "Regenerative Amplifiers". RP Photonics Encyclopedia
Regenerative_amplification
Arrangement of mirrors
An optical cavity, resonating cavity or optical resonator is an arrangement of mirrors or other optical elements that confines light waves similarly to
Optical_cavity
Communications cable across the Atlantic
cable came into use, with amplifiers. Late in the 20th century, all cables installed use optical fiber as well as optical amplifiers, because distances range
Transatlantic communications cable
Transatlantic_communications_cable
Optical component allowing the transmission of light in only one direction
An optical isolator, or optical diode, is an optical component which allows the transmission of light in only one direction. It is typically used to prevent
Optical_isolator
American physicist (1920–2005)
who is sometimes credited with the invention of the laser and the optical amplifier. (Credit for the invention of the laser is disputed, since Charles
Gordon_Gould
Type of glass
Crown glass is a type of optical glass used in lenses and other optical components. It has a relatively low refractive index (≈1.52) and low dispersion
Crown_glass_(optics)
Technique for amplifying ultrashort laser pulses
compressors and stretchers. However, a typical Ti:sapphire-based chirped-pulse amplifier requires that the pulses are stretched to several hundred picoseconds
Chirped_pulse_amplification
French fusion research project
NIF uses individual amplifiers for each of its 192 beams. Each beamline contains two main glass amplifiers, which are optically pumped using xenon flashlamps
Laser_Mégajoule
Telecommunications industry term
Amplifiers (EDFAs) to extend the reach of the optical signals in fiber optics. Each transmitter and receiver services one optical node. This optical transmitter
Hybrid_fiber-coaxial
Chemical element with atomic number 68 (Er)
mechanically simple laser optical amplifier for signals transmitted by fiber optics. The 1550 nm wavelength is especially important for optical communications because
Erbium
first optical telephone system in 1977 in Long Beach, California. By the early 1980s, optical networks powered by lasers, LED and optical amplifier equipment
History_of_the_Internet
Inelastic optical scattering phenomenon
expensive process of dredging up the cable and replacing all the amplifiers. Today, Optical fiber is most often used as the nonlinear medium for stimulated
Raman_amplification
Skin treatment
squared Mode locking Multiple-prism grating laser oscillator Optical amplifier Optical cavity Optical isolator Output coupler Q-switching Lists: Articles Applications
Photorejuvenation
Glass object created by dripping molten glass into cold water
Technology in Estonia, used a transmission polariscope to measure the optical retardation of light from a red LED as it traveled through the glass drop
Prince_Rupert's_drop
Chinese optical corporation
fiber optical couplers/splitters, optical switches/attenuators, WDM/DWDM/CWDM/OADM modules, and optical amplifiers. It primarily serves telecommunications
Accelink_Technologies
Branch of physics that studies light
technology for manipulating beams of elementary charged particles. Most optical phenomena can be accounted for by using the classical electromagnetic description
Optics
Study involving matter and electromagnetic radiation
intermediates in the femtosecond timescale. Raman optical activity spectroscopy exploits Raman scattering and optical activity effects to reveal detailed information
Spectroscopy
Industrial shift to information technology
the optical fiber and light amplification (the optical amplifier). In 1953, Bram van Heel demonstrated image transmission through bundles of optical fibers
Information_Age
1957: The laser and optical amplifier are invented and named by Gordon Gould and Charles Townes. The laser and optical amplifier are foundational to powering
Timeline of historic inventions
Timeline_of_historic_inventions
Fiber-optic communications technology
fiber. By using WDM and optical amplifiers, they can accommodate several generations of technology development in their optical infrastructure without
Wavelength-division multiplexing
Wavelength-division_multiplexing
Spacecraft communication system using lasers
Deep Space Optical Communications (DSOC) is a laser space communication system in operation that improved communications performance 10 to 100 times over
Deep Space Optical Communications
Deep_Space_Optical_Communications
Branch of electronics involving optics
Communications Conference) Optical amplifier Optical communication Optical fiber Optical interconnect Opto-electronic oscillator Parallel optical interface Photoemission
Optoelectronics
Type of light that can be emitted by an optical amplifier
optic systems and optical coherence tomography. Examples of such sources include superluminescent diodes and doped fiber amplifiers. ASE in pulsed organic
Amplified spontaneous emission
Amplified_spontaneous_emission
Physical property of allowing light
molecular structure of most liquids are mostly responsible for excellent optical transmission. Materials that do not transmit light are called opaque. Many
Transparency_and_translucency
Technology used to provide broadband to the end consumer via fiber
and a number of optical network units (ONUs) or optical network terminals (ONTs), which are near end users. There may be amplifiers between the OLT and
Passive_optical_network
Electronic amplifier that varies its gain depending on a control input
similar to the circuits used in optical audio compressors. Another type of circuit uses operational transconductance amplifiers. In audio applications logarithmic
Variable-gain_amplifier
Topics referred to by the same term
type of electronic amplifier Fluidic amplifier Mechanical amplifier Optical amplifier Pneumatic amplifier Torque amplifier Amplifier (band), an English
Amplifier_(disambiguation)
and an optical amplifier to boost the output power. A special case is the master oscillator fiber amplifier (MOFA), where the power amplifier is a fiber
Color_engraving
Glass colored with uranium oxide
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Uranium_glass
Opaque or translucent, milk white or colored glass
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Milk_glass
Optical lenses that darken on exposure to certain wavelengths of light
A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation. In
Photochromic_lens
Type of safety glass processed to increase its strength
pattern resulting from tempering can be observed by viewing through an optical polarizer, such as a pair of polarizing sunglasses. Tempered glass is used
Tempered_glass
Melting points of chemical mixtures
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Liquidus_and_solidus
Scientific instruments
Optical tweezers (originally called single-beam gradient force trap) are scientific instruments that use a highly focused laser beam to hold and move
Optical_tweezers
Optical fiber instrument
separation, optical performance monitoring, field tunable optical noise filtering and optical amplifier noise suppression, etc. Optical multiplexers
Fiber-optic_filter
switching in reconfigurable optical add-drop multiplexers, setting levels for dynamic equalization of the gain of optical amplifiers, and providing system alarms
Optical performance monitoring
Optical_performance_monitoring
Research of materials
features—strongly influences its mechanical, electrical, thermal, and optical behavior. In engineering practice, materials science and engineering are
Materials_science
Theories, models and concepts that go back to the quantum hypothesis of Max Planck
quantum computing, superconducting magnets, light-emitting diodes, the optical amplifier and the laser, the transistor and semiconductors such as the microprocessor
Applications of quantum mechanics
Applications_of_quantum_mechanics
High-strength glass, made of silica and boron trioxide
borosilicate-glass Pyrex or other borosilicate laboratory glass will not. Optically, borosilicate glasses are crown glasses with low dispersion (Abbe numbers
Borosilicate_glass
Infrared laser
lamps ends up amplifying the beam on most Nd:glass lasers. After each amplifier module there was a spatial filter, which was used to smooth the beam by
Shiva_laser
Extremely durable glass-ceramic
I and Keck II telescopes, the Gran Telescopio Canarias, the Devasthal Optical Telescope, the European Southern Observatory's 8.2 m Very Large Telescope
Zerodur
Optical fiber designed to carry only a single mode of light, the transverse mode
transceivers (Xenpak). By using optical amplifiers and dispersion-compensating devices, state-of-the-art DWDM optical systems can span thousands of kilometers
Single-mode_optical_fiber
Imaging technique
Optical coherence tomography (OCT) is a high-resolution imaging technique with most of its applications in medicine and biology. OCT uses coherent near-infrared
Optical_coherence_tomography
Digital optical disc data storage format
The compact disc (CD) is a digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs
Compact_disc
Brand of dish and other cookware pieces
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
CorningWare
Measure of laser beam quality
multiple positions within the beam after focusing it with a lens of high optical quality and known focal length. To properly obtain M2, the following steps
M_squared
Range of usable frequencies
transmitted by some element, e.g. an optical fiber the gain bandwidth of an optical amplifier the width of the range of some other phenomenon, e.g., a reflection
Bandwidth_(signal_processing)
Recreational shooting sport and game
squared Mode locking Multiple-prism grating laser oscillator Optical amplifier Optical cavity Optical isolator Output coupler Q-switching Lists: Articles Applications
Laser_tag
Type of glass
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Soda–lime_glass
Optical imaging technique
Confocal microscopy is an optical imaging technique for increasing optical resolution and contrast of a micrograph by means of using a spatial pinhole
Confocal_microscopy
Decade of the Gregorian calendar (1990–1999)
et al. Wavelength division multiplexed optical communication systems employing uniform gain optical amplifiers. US Patent 5,696,615., November 13, 1995
1990s
Apparatus for trapping and cooling neutral atoms
In atomic, molecular, and optical physics, a magneto-optical trap (MOT) is an apparatus which uses laser cooling and a spatially varying magnetic field
Magneto-optical_trap
Description of physical properties at the atomic and subatomic scale
quantum computing, superconducting magnets, light-emitting diodes, the optical amplifier and the laser, the transistor and semiconductors such as the microprocessor
Quantum_mechanics
Type of ultraviolet laser important in chip manufacturing and eye surgery
due to the HCl gas. One major problem encountered was degradation of the optical windows due to carbon build-up on the surface of the CaF window. This was
Excimer_laser
U.S. fiber laser company
develops and manufactures fiber amplifiers, diode lasers and several complementary products used with its lasers, such as optical delivery cables, fiber couplers
IPG_Photonics
Chemical compound
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Sodium_hexametaphosphate
Amplifier that converts current to voltage
transimpedance amplifier (TIA) is a current to voltage converter, almost exclusively implemented with one or more operational amplifiers (opamps). The
Transimpedance_amplifier
Electronic amplifier that converts weak signal into strong signal
A preamplifier, also known as a preamp, is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise-tolerant
Preamplifier
Type of plastic reinforced by glass fiber
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Fiberglass
Optical communications manufacturing company
include optical transceivers, optical engines, active optical cables, optical components, optical instrumentation, ROADM & wavelength management, optical amplifiers
Finisar
Release of a photon triggered by another
intensity IS is defined as the input intensity at which the gain of the optical amplifier drops to exactly half of the small-signal gain. We can compute the
Stimulated_emission
Optical Express Optical amplifier Optical autocorrelation Optical beam dump Optical beam induced current Optical bistability Optical cavity Optical coherence
List_of_laser_articles
Glass with features that make it less likely to cause injury
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Safety_glass
Monochrome light beam whose amplitude envelope is a Gaussian function
Wolf, Emil (1995). Optical Coherence and Quantum Optics. Cambridge: Cambridge University Press. ISBN 0-521-41711-2. Chapter 5, "Optical Beams," pp. 267.
Gaussian_beam
Spectroscopic technique
The photons that were scattered by the sample were collected through an optical flat at the end of the tube. To maximize the sensitivity, the sample was
Raman_spectroscopy
Process that removes material from an object by heating it with a laser
of material removed by a single laser pulse, depends on the material's optical properties and the laser wavelength and pulse length. The total mass ablated
Laser_ablation
American company that develops optical transport network technologies
transponder, muxponder, mux/demux (multiplexing/demultiplexing) and (optical) amplifier models. Supports 12, 24 or 36 10G channels. Aggregates up to 96 100G
XKL
3D printing technique
squared Mode locking Multiple-prism grating laser oscillator Optical amplifier Optical cavity Optical isolator Output coupler Q-switching Lists: Articles Applications
Selective_laser_sintering
world's most powerful and complex arrangements of multiple lasers and optical amplifiers are used to produce extremely high intensity pulses of light of extremely
List_of_laser_applications
Method used to apply surface coatings
different factors affect the diamond's hardness, smoothness, conductivity, optical properties and more. Commercially, mercury cadmium telluride is of continuing
Chemical_vapor_deposition
seed laser to be amplified) produces a highly coherent beam, and an optical amplifier is used to increase the power of the beam while preserving its main
Laser_power_scaling
Revolving disk with cut-outs to modulate light
intensity of a light beam, and a lock-in amplifier is used to improve the signal-to-noise ratio. To be effective, an optical chopper should have a stable rotating
Optical_chopper
Relay station
repeater is an amplifier in a telephone line, an optical repeater is an optoelectronic circuit that amplifies the light beam in an optical fiber cable;
Repeater
Application of laser in medical field
also for welding and drilling, among other uses. The possibility of using optical fiber (over a short distance in the operating room) since 1970 has opened
Laser_medicine
African submarine communications cable
non-zero dispersion-shifted. The repeaters are optical amplifier repeaters, using erbium-doped amplifiers. There are over 150 repeaters in the SEACOM system
SEACOM_(African_cable_system)
Technology that uses a laser to cut materials
functions while using the water jet to guide the laser beam, much like an optical fiber, through total internal reflection. The advantages of this are that
Laser_cutting
Type of atomic emission spectroscopy
plasma only begins when the focused laser achieves a certain threshold for optical breakdown, which generally depends on the environment and the target material
Laser-induced breakdown spectroscopy
Laser-induced_breakdown_spectroscopy
Laser which uses a solid gain medium
and SWCNT. Graphene has also been used. These materials use a nonlinear optical behavior called saturable absorption to make a laser create short pulses
Solid-state_laser
Fused coating on ceramic objects
Achromat Dispersion Gradient-index optics Hydrogen darkening Optical amplifier Optical fiber Optical lens design Photochromic lens Photosensitive glass Refraction
Ceramic_glaze
aperture off-axis optical system optical aberration optical amplifier optical axis optical axis gratings optical bench optical coating optical coherence tomography
Index_of_optics_articles
in the context of ultrafast amplifiers, e.g. for optical components such as the Pockels cell of a regenerative amplifier. Kerr effect "B Integral". Encyclopedia
B_Integral
Type of laser
the high energy density into consideration. In a multi-pass amplifier, there are no optical switches. Instead, mirrors guide the beam a fixed number of
Titanium-sapphire_laser
Alexander V.; Klar, Thomas A. (2018-09-19). "Power Balance and Temperature in Optically Pumped Spasers and Nanolasers". ACS Photonics. 5 (9): 3695–3703. Bibcode:2018ACSP
List_of_laser_types
OPTICAL AMPLIFIER
OPTICAL AMPLIFIER
OPTICAL AMPLIFIER
Boy/Male
Danish, Finnish, German, Slavic, Swedish
Fights for Peace; Famous Destroyer of Peace
Girl/Female
Scottish Latin
Twin.
Boy/Male
Hindu, Indian, Kannada, Marathi, Telugu
A Friend
Girl/Female
Tamil
In Hindi Yug, Earth, Muse
Boy/Male
Hebrew English Scottish
Supplanter.
Girl/Female
Tamil
Pragyawati | பà¯à®°à®•à¯à®¯à®¾à®µà®¤à¯€
A wise woman
Surname or Lastname
English
English : habitational name from places in Derbyshire and Lancashire, so called from Old English smæl ‘narrow’ + lēah ‘wood’, ‘clearing’.
Boy/Male
French
Knight.
Surname or Lastname
English
English : variant of Hicken.
Girl/Female
German, Greek
Noble; Kind; Truth
OPTICAL AMPLIFIER
OPTICAL AMPLIFIER
OPTICAL AMPLIFIER
OPTICAL AMPLIFIER
OPTICAL AMPLIFIER
n.
Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.
n.
The space covered by an optical instrument at one view.
a.
Topical.
n.
An optical glass that is convex on both sides.
a.
Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye.
a.
Relating to the science of optics; as, optical works.
a.
One skilled in optics.
a.
Of or pertaining to a vortex or vortexes; resembling a vortex in form or motion; whirling; as, a vortical motion.
a.
One who deals in optical glasses and instruments.
a.
Expressed in metrical form; exhibiting the imaginative or the rhythmical quality of poetry; as, a poetical composition; poetical prose.
n.
Of or pertaining to the science of vision; optical.
a.
Of or pertaining to vision or sight.
adv.
By optics or sight; with reference to optics.
n.
An optical toy similar to the phenakistoscope. See Phenakistoscope.
a.
Alt. of Optical
n.
An optical glass; a telescope.
n.
An instrument for showing the optical effects of color.
a.
Belonging to, or consisting of, bark or rind; resembling bark or rind; external; outer; superficial; as, the cortical substance of the kidney.
n.
A reflecting optical glass or instrument; a mirror.
a.
Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.