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Excited dimeric molecule containing a noble gas
An excimer (originally short for excited dimer) is a short-lived polyatomic molecule formed from two species that do not form a stable molecule in the
Excimer
Type of ultraviolet laser important in chip manufacturing and eye surgery
An excimer laser, sometimes more correctly called an exciplex laser, is a form of ultraviolet laser which is commonly used in the production of microelectronic
Excimer_laser
Corrective ophthalmological surgery
microkeratome to create a corneal flap to expose the corneal stroma and then an excimer laser to reshape the corneal stroma in order to improve visual acuity.
LASIK
Ultraviolet source based on spontaneous emission of excimer molecules
An excimer lamp (or excilamp) is a source of ultraviolet light based on spontaneous emission of excimer (exciplex) molecules. Excimer lamps are quasimonochromatic
Excimer_lamp
Group of eye diseases related to poor retinal and nerve perfusion
Glaucoma is a group of eye diseases that can lead to damage of the optic nerve, which transmits visual information from the eye to the brain. Glaucoma
Glaucoma
Process in microfabrication
light from excimer lasers with wavelengths of 248 (KrF) and 193 (ArF) nm (the dominant lithography technology today is thus also called "excimer laser lithography")
Photolithography
Minimally invasive glaucoma surgery
Excimer laser trabeculostomy (ELT) is a procedure to create holes in the trabecular meshwork to reduce intraocular pressure. It uses a XeCl 308 nm excimer
Excimer_laser_trabeculostomy
contributions in creating and applying excimer lasers in corneal refractive surgery. Trokel, Stephen (July 1989). "Evolution of excimer laser corneal surgery". Journal
Stephen_Trokel
Laser in which electricity is discharged through gas
some industrial applications. Excimer lasers are powered by a chemical reaction involving an excited dimer, or excimer, which is a short-lived dimeric
Gas_laser
Chemical element with atomic number 54 (Xe)
used in flash lamps and arc lamps, and as a general anesthetic. The first excimer laser design used a xenon dimer molecule (Xe2) as the lasing medium, and
Xenon
Surgery to treat common vision disorders
lens implantation or lens replacement. The most common methods today use excimer lasers to reshape the curvature of the cornea. Refractive eye surgeries
Refractive_surgery
Ultraviolet C light-emitting device
types available: Low-pressure mercury lamps High-pressure mercury lamps Excimer lamps LEDs Low-pressure mercury lamps are very similar to a fluorescent
Germicidal_lamp
Device that emits light via optical amplification
7 micrometers. Excimer lasers are a special sort of gas laser powered by an electric discharge in which the lasing medium is an excimer, or more precisely
Laser
American eye surgeon
laser-vision correction procedure, a photorefractive keratectomy (PRK) using excimer laser, on a healthy eye of a living human patient, and pioneered several
Marguerite_McDonald
Refractive eye surgery procedure
PRK permanently change the shape of the anterior central cornea using an excimer laser to ablate (remove by vaporization) a small amount of tissue from
Photorefractive_keratectomy
Chemical compounds containing at least one xenon atom
of a xenon excimer is 1–5 nanoseconds, and the decay releases photons with wavelengths of about 150 and 173 nm. Xenon can also form excimers with other
Xenon_compounds
vision defects and corneal diseases. This includes the SCHWIND AMARIS excimer laser product family, SCHWIND ATOS femtosecond laser, diagnostic systems
Schwind_eye_tech_solutions
Procedure to widen narrow arteries or veins
procedures in the world. A subset of angioplasty, known as excimer laser coronary angioplasty, uses excimer lasers to remove small amounts of tissue, including
Angioplasty
Form of electromagnetic radiation
instruments. Excimer lasers emitting in ultraviolet and vacuum ultraviolet wavelength ranges are widely used in many industries. Argon-fluoride excimer lasers
Ultraviolet
Observation on the growth of integrated circuit capacity
in the mid-1980s. Deep UV excimer laser photolithography: Invented by Kanti Jain at IBM circa 1980. Prior to this, excimer lasers had been mainly used
Moore's_law
Process that removes material from an object by heating it with a laser
interaction and are therefore also suitable for micromaterial processing. Excimer lasers of deep ultra-violet light are mainly used in photoablation; the
Laser_ablation
Type of excimer laser
A krypton-fluoride laser (KrF laser) is a particular type of excimer laser, which is sometimes (more correctly) called an exciplex laser. With its 248
Krypton-fluoride_laser
Type of excimer laser
The argon-fluoride laser (ArF laser) is a particular type of excimer laser, which is sometimes (more correctly) called an exciplex laser. With its 193-nanometer
Argon_fluoride_laser
Surgical reshaping of the cornea
hinged flap under which the shape of the cornea is changed by using an excimer laser or other surgical device. A microkeratome is usually used to cut
Keratomileusis
Brain surgery technique
In neurosurgery, excimer laser-assisted non-occlusive anastomosis (ELANA) is a technique used to create a bypass without interrupting the patient's blood
Excimer laser-assisted nonocclusive anastomosis
Excimer_laser-assisted_nonocclusive_anastomosis
Class of chemical compounds
containing neon, as well as temporary excited neon-containing molecules called excimers. Several neutral neon molecules have also been predicted to be stable,
Neon_compounds
Chemical compound
investigated. Pyrene was the first molecule for which excimer behavior was discovered. Such excimer appears around 450 nm. Theodor Förster reported this
Pyrene
Bengali American physicist (born 1931)
the first time that an excimer laser could be efficient and powerful enough for practical utilization. The application of excimer lasers in Lasik eye surgery
Mani_Lal_Bhaumik
Chemical element with atomic number 36 (Kr)
krypton plasma is useful in bright, high-powered gas lasers (krypton ion and excimer lasers), each of which resonates and amplifies a single spectral line.
Krypton
Iranian-American ophthalmologist and retina surgeon known for inventing LASIK eye surgery
published in Laser Focus, describing the photo-ablative properties of an excimer laser on organic material. This was very exciting information, but, unfortunately
Gholam_A._Peyman
Laser cooling technique
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Doppler_cooling
Equipment using an organic dye to emit coherent light
The dye is usually pumped with an external laser, such as a nitrogen, excimer, or frequency doubled Nd:YAG laser. The liquid is circulated at very high
Dye_laser
American physicist
extent for a discovery leading to an improvement of the rare gas halide excimer laser. Hart specialized in the application of supercomputers to the mathematical
George_Hart_(physicist)
Chemical compound
Xenon monochloride (XeCl) is an exciplex which is used in excimer lasers and excimer lamps emitting near ultraviolet light at 308 nm. It is most commonly
Xenon_monochloride
Inability to focus on distant objects
the cornea and lifted to allow the excimer laser beam access to the exposed corneal tissue. After that, the excimer laser ablates the tissue according
Myopia
American ophthalmologist
the first approval by the U.S. Food and Drug Administration (FDA) of the excimer laser for the correction of nearsightedness in the United States. Hersh
Peter_Hersh
Technique of surgical cataract extraction
Laser photocoagulation Scleral buckle Glaucoma surgery Cyclodestruction Excimer laser trabeculostomy Minimally invasive glaucoma surgery Trabeculectomy
Manual small incision cataract surgery
Manual_small_incision_cataract_surgery
Method to mark surfaces
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Laser_bonding
Application of laser in medical field
vaporize, ablate, and photocoagulate soft tissue. diode lasers dye lasers excimer lasers fiber lasers gas lasers free electron lasers semiconductor diode
Laser_medicine
Emerging subtype of germicidal UV light
device used to generate far-UVC radiation is a Krypton Chloride (KrCl) excimer lamp, which emits light at the 222 nm wavelength. Following the sudden
Far-UVC
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Gain_(laser)
Laser which uses a solid gain medium
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Solid-state_laser
Laser which emits light with blue wavelengths
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Blue_laser
Medical use of laser to cut tissues
keratectomy, a procedure which permanently reshapes the cornea using an excimer laser to remove a small amount of the human tissue. Photochemical effect:
Laser_surgery
1985 film by Martha Coolidge
despondent, the incident inspires Chris to design and build a six-megawatt excimer laser, which burns a hole through the campus when it is test-fired. Hathaway
Real_Genius
Electric battery using nuclear energy
suspended in a gas or liquid containing luminescent gas molecules of the excimer type, constituting a "dust plasma". This permits a nearly lossless emission
Optoelectric_nuclear_battery
Group of low-reactive, gaseous chemical elements
gases are used in excimer lasers, which are based on short-lived electronically excited molecules known as excimers. The excimers used for lasers may
Noble_gas
Electromagnetic wave that is not pulsed
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Continuous_wave
Treatment using irradiation with light of low power intensity
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Low-level_laser_therapy
practices. Excimer laser trabeculostomy is a procedure which creates holes in the trabecular meshwork to reduce intraocular pressure by using a excimer laser
Minimally invasive glaucoma surgery
Minimally_invasive_glaucoma_surgery
Synthetic polymer
is an ultraviolet (UV) transparent polymer. However, when exposed to an excimer laser beam, it severely degrades due to heterogeneous photothermal effect
Polytetrafluoroethylene
United States $269M Xcimer Energy Inc. 2022– present Inertial confinement: excimer laser Deuterium– tritium United States $100M Zap Energy 2017– present Magnetic
List of nuclear fusion companies
List_of_nuclear_fusion_companies
American technology company
scientific division of Germany-based Lambda Physik, a manufacturer of excimer lasers. The following year, it acquired Germany-based Laser-Optronic GmbH
Coherent,_Inc.
Defunct Canadian company
Novanta, its current name, in 2016. The original Impact, LaserMark, and excimer laser product lines of Lumonics were sold by GSI Group in 2008/2009 to
Lumonics
Spectroscopic method
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Laser-induced_fluorescence
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Laser_integration_line
Spectroscopic technique
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Raman_spectroscopy
Monochrome light beam whose amplitude envelope is a Gaussian function
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Gaussian_beam
Laser using electron beam in vacuum as gain medium
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Free-electron_laser
American optical engineer (born 1940)
LA) is an American optical engineer. He constructed the first working excimer laser system for vision correction in 1985, and also developed the Munnerlyn
Charles_Munnerlyn
American physicist (born 1943)
Watson Research Center in Yorktown Heights, NY. Wynne pioneered the use of excimer lasers for medical applications, most notably LASIK. He received the National
James_J._Wynne
Argentine doctor
Society of Cataract and Refractive and Corneal Surgery. He also introduced excimer laser technology to Latin America, and was the first in the world to implant
Roberto_Zaldívar
Medical condition
nevus depigmentosus, including psoralen plus ultraviolet A (PUVA) therapy, excimer laser treatment, and different grafting techniques. PUVA therapy has not
Nevus_depigmentosus
Input power level at which a laser generates light primarily by stimulated emission
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Lasing_threshold
Public university in Manhattan, Kansas, US
Center for Gravitational Studies in Cellular and Developmental Biology. The excimer laser, which made LASIK eye surgery possible, is a technology developed
Kansas_State_University
Study involving matter and electromagnetic radiation
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Spectroscopy
Class of extreme chemical compounds
an ion, or to excite an electron to a higher level, allowing it to form excimers. Ionised helium (He+), also known as He II, is a very high energy material
Helium_compounds
Transversely excited atmospheric gas laser
atmospheric pressure. The most common types are carbon dioxide lasers and excimer lasers, both used extensively in industry and research; less common are
TEA_laser
Optical component allowing the transmission of light in only one direction
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Optical_isolator
Theoretical formula used in LASIK surgery
theoretical formula discovered by Charles Munnerlyn, which gives the depth an excimer laser will need to ablate during LASIK surgery or similar medical interventions
Munnerlyn_Formula
Skin condition where patches lose pigment
JM, Hong BY, Lee JH, Lee JH, Kim GM (May 2016). "The efficacy of 308-nm excimer laser/light (EL) and topical agent combination therapy versus EL monotherapy
Vitiligo
American ophthalmologist
with the excimer laser was a patient with a uveal melanoma in an eye slated for enucleation who allowed Marguerite McDonald to perform an excimer laser photorefractive
Herbert_E._Kaufman
Part of an optical resonator which allows intracavity light to be emitted
output coupler is typically around 80% reflective. In others, such as an excimer laser, the 4% reflectivity of uncoated glass provides enough of a mirror
Output_coupler
Chemical compound
two excited helium atoms bonded to each other. This form is called an excimer, and was discovered from a spectrum of helium that contained bands first
Helium_dimer
Chemist and inventor (born 1929)
In 1981, Srinivasan and his coworkers determined that an ultraviolet excimer laser could be used to etch designs into polymers. The technique has since
Rangaswamy_Srinivasan
Process of creating thru-holes using laser cutting methods
et al. (1984-01-01). "Materials processing by high-repetition-rate pulsed excimer and carbon dioxide lasers". Applied Optics. 23 (1). The Optical Society:
Laser_drilling
(usually argon), where excimer formation and resulting radiative decomposition strikes a phosphor coating to create light. Excimer light sources are also
Microplasma
Lithography using 13.5 nm UV light
used, at first with a wavelength of 365 nm (mercury I line), then with excimer wavelengths, first of 248 nm (krypton fluoride laser), then 193 nm (argon
EUV_lithography
3D printing technique
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Selective_laser_sintering
American physicist
Institute of Technology, he initially applied his knowledge of high-energy excimer lasers in private sector organizations such as General Atomics, where he
John_F._Asmus
Laser cooling technique
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Resolved_sideband_cooling
Diode that emits light from an organic compound
compensation circuits have been reported. Due to the size limitation of the excimer laser used for LTPS, the AMOLED size was limited. To cope with the hurdle
OLED
Removal of material from an object's surface
cornea for several types of eye refractive surgery is now common, using an excimer laser system (LASIK and LASEK). Since the cornea does not grow back, laser
Ablation
Type of light that can be emitted by an optical amplifier
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Amplified spontaneous emission
Amplified_spontaneous_emission
Technology that uses a laser to cut materials
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Laser_cutting
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Laser-hybrid_welding
Photolithographic Tool
semiconductor industry moved towards steppers that employed krypton-fluoride (KrF) excimer lasers producing 248 nm light. Such systems are currently being used to
Stepper
Hospital in Bangkok, Thailand
centers, namely: Cardiac Center, Glaucoma Imaging & Diagnostic Center, Excimer Laser Center, Chulalongkorn Craniofacial Center, and the Queen Sirikit
King Chulalongkorn Memorial Hospital
King_Chulalongkorn_Memorial_Hospital
Digital optical disc format
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Blu-ray
European record label
Letal Acid Age Alitor Amok [de] Blackened Chain of Dogs Endless Recovery Excimer Goat of Mendes Hammerwhore Hillbilly Revenge Midnite Hellion Nadimac Nightbreed
Witches_Brew_(record_label)
Transparent front layer of the eye
today, reshaping of the cornea is performed by photoablation using the excimer laser. There are also synthetic corneas (keratoprostheses) in development
Cornea
Early photographic technique
Maggen, Michael; Lewis, A. (1998). "Cleaning of daguerreotypes with an excimer laser". Studies in Conservation. 43 (2). International Institute for Conservation
Daguerreotype
Apparatus for trapping and cooling neutral atoms
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Magneto-optical_trap
Inability to focus on near objects
reshape the cornea, so that glasses or contact lenses are no longer needed. Excimer laser LASIK can correct hypermetropia up to +6 diopters. LASIK is contraindicated
Farsightedness
Skin treatment
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Photorejuvenation
Removal of opacified lens from the eye
December 2023. Retrieved 11 December 2023. Barsam A, Allan B (17 July 2014). "Excimer laser refractive surgery versus phakic intraocular lenses for the correction
Cataract_surgery
the Personal Computer. LASIK surgery: Three IBM scientists invent the excimer laser surgical procedure that later forms the basis of LASIK and PRK corrective
History_of_IBM
Kind of show made with laser light
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Laser_lighting_display
t e Lasers Types Chemical Dye Bubble Liquid-crystal Gas Carbon dioxide Excimer Helium–neon Ion Nitrogen Free-electron Diode Solid-state Er:YAG Nd:YAG
Surface-enhanced laser desorption/ionization
Surface-enhanced_laser_desorption/ionization
Lens implanted in the eye to treat cataracts and/or myopia or hyperopia
patient's natural crystalline lens. Phakic IOLs appear to be lower risk than excimer laser surgery (LASIK) in those with significant near-sightedness. More
Intraocular_lens
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