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Atmospheric window
The optical window is the portion of the optical spectrum that is not blocked by the Earth's atmosphere. The window runs from around 300 nanometers (ultraviolet-B)
Optical_window
Portion of the electromagnetic spectrum that is visible to the human eye
wavelengths pass largely unattenuated through the Earth's atmosphere via the "optical window" region of the electromagnetic spectrum. An example of this phenomenon
Visible_spectrum
Range of EM wavelengths that can pass through Earth's atmosphere
atmospheric window is a region of the electromagnetic spectrum that can pass through the atmosphere of Earth. The optical, infrared and radio windows comprise
Atmospheric_window
Range of wavelengths from 650 to 1350 nanometre
The near-infrared (NIR) window (also known as optical window or therapeutic window) defines the range of wavelengths from 650 to 1350 nanometre (nm) where
Near-infrared window in biological tissue
Near-infrared_window_in_biological_tissue
Optical device for aiming
sight behind the optical window. But this also means, for targets closer than infinity, sighting towards the edge of the optical window can make the reticle
Reflector_sight
American space manufacturing company
Laboratory and NASA. Notably, W-2 contained an optical emission spectroscopy (OES) payload called the Optical Sensing of Plasmas in the ReEntry Environment
Varda_Space_Industries
Electromagnetic spectrum, 3 Hz – 3000 GHz
emissions, until it becomes transparent again near the near-infrared and optical window frequency ranges. A radio band is a small frequency band (a contiguous
Radio_spectrum
In optics, a window is an optical element that is transparent to a range of wavelengths, and that has no optical power. Windows may be flat or curved.
Window_(optics)
Type of gunsight
non-magnifying gunsight that allows the user to look through a glass optical window and see a holographic reticle image superimposed at a distance on the
Holographic_weapon_sight
Red dot gun sight used by the U.S. Armed Forces
ranges with the maximum error being equal to the diameter of the sight's optical window at short range. There are currently two variants available; the standard
Aimpoint_CompM4
Extremely flat piece of optical-grade glass
An optical flat is an optical-grade piece of glass lapped and polished to be extremely flat on one or both sides, usually within a few tens of nanometres
Optical_flat
Flat, usually circular disc that encodes binary data
An optical disc is a flat, usually disc-shaped object that stores information in the form of physical variations on its surface that can be read with
Optical_disc
Type of firearm reflector sight
the middle of the optical window (sighting down the sight's optical axis). Some manufacturers modify the focus of the LED/optical collimator combination
Red_dot_sight
Chinese long range air-to-air missile
anti-radiation seeker for locating radar-equipped targets, and a possible optical window feautring an additional infrared seeker as supplement. The missile body
PL-17
Semiconductor chemical compound used in solar cells
semiconducting material in cadmium telluride photovoltaics and an infrared optical window. It is usually sandwiched with cadmium sulfide to form a p–n junction
Cadmium_telluride
Opening to admit light, air, or objects
windows, oriel windows, thermal, or Diocletian, windows, picture windows, rose windows, emergency exit windows, stained glass windows, French windows
Window
Communication using light sent through free space
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for
Free-space optical communication
Free-space_optical_communication
Electromagnetic radiation with wavelengths from 1 m to 1 mm
atmosphere becomes transparent again in the so-called infrared and optical window frequency ranges. In a microwave beam directed at an angle into the
Microwave
hologram of a reticle built into a flat glass optical window of the sight. The user looks through the optical window and sees a cross hair reticle image superimposed
List_of_laser_applications
Range of frequencies or wavelengths of electromagnetic radiation
Electroencephalography Infrared window Ionizing radiation Optical window Ozone layer Radiant energy Radiation Radio window Spectral imaging Spectroscopy
Electromagnetic_spectrum
Topics referred to by the same term
atmosphere Radio window Optical window Infrared window Window period, in medicine, the time between first infection and detectability Window function, in
Window_(disambiguation)
Battery-powered, non-magnifying red dot type of reflex sight for firearms
position with the maximum error being equal to the radius of the sight's optical window at short range. The sight is water-tight down to 25 meters and runs
Aimpoint_CompM2
Archive file of an optical disc
physical optical disc. Most Unix-based operating systems, including Linux and macOS, have this built-in capability to mount an ISO. Versions of Windows, beginning
Optical_disc_image
Type of electronic component package
temperature or high reliability is required, or where the device has an optical window to the interior of the package. Most DIP packages are secured to a PCB
Dual_in-line_package
Instrument in space to study astronomical objects
more important for frequency ranges that are outside the optical window and the radio window, the only two wavelength ranges of the electromagnetic spectrum
Space_telescope
Transparent ceramic material
Transparency range 200–5000 nm Aluminium oxynitride is used for infrared-optical windows, with greater than 80% transparency for 2 mm thickness at wavelengths
Aluminium_oxynitride
Ceramic materials that are optically transparent
solid-state lasers optical window materials for gas lasers infrared (IR) heat seeking devices for missile guidance systems IR night vision. Optical transparency
Transparent_ceramics
American electro-optic company
three-dimensional space onto holographic film that is part of the optical viewing window. Like the reflector sight, the holographic sight's reticle uses
EOTech
Optical phenomenon
commercial applications including anti-reflection coatings, mirrors, and optical filters. In optics, a thin film is a layer of material with thickness in
Thin-film_interference
Gas layer surrounding Earth
in the atmosphere leave "windows" of low opacity, allowing the transmission of only certain bands of light. The optical window runs from around 300 nm
Atmosphere_of_Earth
Atmospheric effect caused by the solar wind
Saturn. Infrared: Infrared radiation, in wavelengths that are within the optical window, is also part of many auroras. Yellow and pink are a mix of red and
Aurora
Device that amplifies an optical signal
amplification window of an optical amplifier is the range of optical wavelengths for which the amplifier yields a usable gain. The amplification window is determined
Optical_amplifier
Atmospheric window
Greenhouse effect Greenhouse gas Infrared astronomy Optical window Ozone depletion Radio window "American Meteorological Society Meteorology Glossary"
Infrared_window
Reflecting telescope
secondary mirror was mounted on a flat optical window at the front of the tube. Edmund designer Norman Sperling and optical engineer Mike Simmons came up with
Astroscan
Diamond created by controlled processes
expansion and high optical transparency in a wide spectral range, synthetic diamond is becoming the most popular material for optical windows in high-power
Synthetic_diamond
Region of the radio spectrum
quality of the observational data of radio astronomy. Infrared window Optical window Radio propagation Condon, James J.; Ransom, Scott M. (2016). Essential
Radio_window
Window made of one or more movable panels
A sash window or hung sash window is made of one or more movable panels, or "sashes". The individual sashes are traditionally paned windows, but can now
Sash_window
Chemical compound
circuits, infrared light-emitting diodes, laser diodes, solar cells and optical windows. GaAs is often used as a substrate material for the epitaxial growth
Gallium_arsenide
for her work on optical techniques in neuroscience, aging, and cancer studies, including the discovery of the Golden Optical Window (wavelength range:
Lingyan_Shi
Optical aberration
An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism
Astigmatism_(optical_systems)
Transmitting information over optical fiber
of optical communication for transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber
Fiber-optic_communication
Type of optical sight
twilight or "room clearing" operations) since there is no intervening optical window that can block the light, allowing the use of both eyes with a relatively
Collimator_sight
Gem variety of corundum
at 9.5. Non-ornamental applications include infrared optical components, high-durability windows, wristwatch crystals and movement bearings, and very
Sapphire
Controls optical properties on application of voltage
An electrochromic device (ECD) controls optical properties such as optical transmission, absorption, reflectance and/or emittance in a continual but reversible
Electrochromic_device
Synthetic ingot of crystal
are used for substrates in the production of blue and white LEDs, optical windows in special applications and as the protective covers for watches. A
Boule_(crystal)
Light-conducting fiber
An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers are widely used
Optical_fiber
related to Optical illusion. Optical Illusion Examples by Great Optical Illusions Optical Illusions & Visual Phenomena by Michael Bach Optical Illusions
List_of_optical_illusions
Wafer bond with glass central layer
the sealing of absolute pressure sensor cavities, the mounting of optical windows and the capping of thermally active devices. Microscopic cross sectional
Glass_frit_bonding
Optical instrument for non-contact measurement of angles
used for aligning laser rod ends and checking the face parallelism of optical windows and wedges. Electronic and digital autocollimators are used as angle
Autocollimator
Angle between converging or diverging light rays
negative in power. A lens with no optical power is called an optical window, having flat, parallel faces. The optical power directly relates to how large
Vergence_(optics)
Construction element consisting of at least two glass plates
of two or more glass window panes separated by a space to reduce heat transfer across a part of the building envelope. A window with insulating glass
Insulated_glazing
Enclosure with very low air pressure used for experiments and testing
Collider's ring is a tube under vacuum 27 kilometres (17 mi) long. Bell jar Optical window Thermal vacuum chamber Vacuum engineering NASA Space Power Facility
Vacuum_chamber
Underwater phenomenon due to Snell's Law
Snell's window (also called Snell's circle or optical man-hole) is a phenomenon by which an underwater viewer sees everything above the surface through
Snell's_window
Chemical compound of magnesium and fluorine
transparent over a wide range of wavelengths, such that it is used in the optical windows of space telescopes. It occurs naturally as the rare mineral sellaite
Magnesium_fluoride
Inorganic compound
an infrared optical material, transmitting from visible wavelengths to just over 12 micrometers. It can be used planar as an optical window or shaped into
Zinc_sulfide
Series of 1970s Soviet attack aircraft
above the pylon on the MiG-23 was used on the MiG-27 to house electro-optical and radio-frequency gear instead. It was also the first variant armed with
Mikoyan_MiG-27
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
Transparent non-crystalline solid material
glass windows and other glass art objects. The refractive, reflective and transmissive properties of glass make glass suitable for manufacturing optical lenses
Glass
2021 Microsoft operating system version
Windows 11 is the current major release of Microsoft's Windows NT operating system, released on October 5, 2021, as the successor to Windows 10 (2015)
Windows_11
radiation. Examples include the optical window from ~0.3 to 0.9 μm, the infrared window from ~8 to 13 μm, and the microwave window at wavelengths longer than
Glossary_of_meteorology
Discontinued DVD authoring program
in Windows Vista including Windows Media Center, Windows Media Player, Windows Movie Maker, and Windows Photo Gallery. DVD Maker—as well as Windows Media
Windows_DVD_Maker
2012 Microsoft operating system version
which do not include optical disc drives at all) and the prevalence of online streaming services. For the same reasons, Windows Media Center is not included
Windows_8
1964 Apollo Program test flight
several delays during the countdown as liquid oxygen vapors obscured an optical window in the SA-6's instrument unit, so that a ground-based theodolite could
AS-101
2015 Microsoft operating system version
Windows 10 is a major release of the Windows NT operating system developed by Microsoft. The successor to Windows 8.1, it was released to manufacturing
Windows_10
Optical tomography Computed tomography laser mammography Diffuse optical mammography Diffusive optical imaging in neuroscience Near-infrared window in
Diffuse_optical_imaging
Optical technique for monitoring brain activity
spectroscopy (fNIRS), sometimes referred to as NIRS or Optical Topography (OT), is an optical brain monitoring technique which uses near-infrared spectroscopy
Functional near-infrared spectroscopy
Functional_near-infrared_spectroscopy
Microscope that uses visible light
The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate
Optical_microscope
Taiwanese-American biochemist and bioengineer
Tsien, R. Y. (2009). "Autofluorescent proteins with excitation in the optical window for intravital imaging in mammals". Chemistry & Biology. 16 (11): 1169–79
Michael_Z._Lin
Special glass type used for optical systems
Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors. Unlike window glass
Optical_glass
Computer vision technique for optical flow estimation
{\displaystyle p} under consideration. Thus the optical flow equation can be assumed to hold for all pixels within a window centered at p {\displaystyle p} . Namely
Lucas–Kanade_method
Fiber-optic communications technology
(WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors)
Wavelength-division multiplexing
Wavelength-division_multiplexing
2006 Microsoft operating system version
photographs to optical media; create Direct3D-accelerated slideshows; and reduce red eye. Windows Media Center previously exclusive to Windows XP Media Center
Windows_Vista
Vendor-neutral file system, used in practice for DVDs and other optical discs
of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660. Due to its design, it is very well
Universal_Disk_Format
Science and technology of creating objects from inorganic, non-metallic materials
switches, laser amplifiers and lenses, hosts for solid-state lasers and optical window materials for gas lasers, and infrared (IR) heat seeking devices for
Ceramic_engineering
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
Astronomy with terahertz (< 1 mm)-range light
radiation Far infrared astronomy SCUBA-2 All Sky Survey Radio window Infrared window Optical window Category:Submillimetre telescopes Read "Panel Reports—New
Submillimetre_astronomy
Element of a reflecting telescope which focuses light gathered by the primary mirror
of mounts or optical elements such as optical windows, or schmidt and meniscus corrector plates. Employing secondary mirrors in optical systems causes
Secondary_mirror
Type of ultraviolet laser important in chip manufacturing and eye surgery
problem encountered was degradation of the optical windows due to carbon build-up on the surface of the CaF window. This was due to hydro-chloro-carbons formed
Excimer_laser
an optical triangulation sensor is mounted near the top of the swinging door frame, inside a long extruded aluminum tube with an optical window facing
Triangulation_sensor
Field Spectrograph Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) Optical properties of water and ice Optical window Opto-isolator Outgoing
Index_of_infrared_articles
Use of light to convey information
Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually
Optical_communication
Tower-based signaling network
An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals (a form of optical
Optical_telegraph
of the feedback light varies: reflection from optical components, fiber edges, spectroscopy cell windows. Operation of the semiconductor laser is very
Optical_feedback
Transparent optical element with flat, polished surfaces that refract light
angled—elements with only two parallel surfaces are windows, not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular
Prism_(optics)
Software for virtual drives
DAEMON Tools is a virtual drive and optical disc authoring program for Microsoft Windows and Mac OS. DAEMON tools was originally a successor of Generic
Daemon_Tools
Gigabit passive optical network system
measures the received optical power from each ONU and determines whether the power level falls within the desired operating window. If necessary, the OLT
GPON
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
the optical telecommunications world because of their potential for ultra-transparency. Developed in the form of fibres, their wide optical window 0.4
Jacques_Lucas
Unit of measurement of optical power
lens brings parallel rays of light to focus at 1⁄3 metre. A flat window has an optical power of zero dioptres, as it does not cause light to converge or
Dioptre
Glass consisting of pure silica
glass, in which other ingredients are added which change the glasses' optical and physical properties, such as lowering the melt temperature, the spectral
Fused_quartz
Type of glass
Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with
Crown_glass_(optics)
Wavelength range of light
absorption minimum in optical fiber, where the loss reaches values as good as 0.2 dB/km, as well as an atmospheric transmission window (see figures). The
C_band_(infrared)
Sensor-controlled optical focus
Autofocus An autofocus (AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area
Autofocus
Case or other packaging used to protect optical discs
Optical disc packaging is the packaging that accompanies compact discs, DVDs, and other formats of optical discs. Most packaging is rigid or semi-rigid
Optical_disc_packaging
Physical property of allowing light
transmission of light waves through them are called optically transparent. Chemically pure (undoped) window glass and clean river or spring water are prime
Transparency_and_translucency
Optical illusion
The Ames trapezoid or Ames window is an image on, for example, a flat piece of cardboard that seems to be a rectangular window but is, in fact, a trapezoid
Ames_window
non-magnifying gun sight that allows the user to look through a glass optical window and see a cross hair reticle image superimposed at a distance on the
Glossary_of_firearms_terms
Optical materials are transparent materials from which optical lenses, prisms, windows, waveguides, and second-surface mirrors can be made. They are required
Optical_material
Glass that allows people on one side to see those on the other but not vice versa
an integral part of the Fabry–Pérot interferometer. Optical isolator See-through graphics Window film "How to Spot a Two-Way Mirror". Snopes. Retrieved
One-way_mirror
Telescope for observations with visible light
An optical telescope gathers and focuses light mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct visual
Optical_telescope
OPTICAL WINDOW
OPTICAL WINDOW
Surname or Lastname
English, Scottish, German, and Dutch
English, Scottish, German, and Dutch : from Middle English, Middle High German, Middle Dutch horn ‘horn’, applied in a variety of senses: as a metonymic occupational name for someone who made small articles, such as combs, spoons, and window lights, out of horn; as a metonymic occupational name for someone who played a musical instrument made from the horn of an animal; as a topographic name for someone who lived by a horn-shaped spur of a hill or tongue of land in a bend of a river, or a habitational name from any of the places named with this element (for example, in England, Horne in Surrey on a spur of a hill and Horn in Rutland in a bend of a river); as a nickname, perhaps referring to some feature of a person’s physical appearance, or denoting a cuckolded husband.Norwegian : habitational name from any of several farmsteads so named, from Old Norse horn ‘horn’, ‘spur of land’.Swedish : ornamental or topographic name from horn ‘horn’, ‘spur of land’.Jewish (Ashkenazic) : presumably from German Horn ‘horn’, adopted as a surname for reasons that are not clear. It may be purely ornamental, or it may refer to the ram’s horn (Hebrew shofar) blown in the Synagogue during various ceremonies.
Girl/Female
Biblical
A window, grief.
Girl/Female
Afghan, American, Anglo, Australian, British, Celebrity, Christian, Czechoslovakian, Danish, Dutch, English, Finnish, French, German, Greek, Indian, Italian, Jamaican, Latin, Netherlands, Polish, Portuguese, Romanian, Shakespearean, Swedish, Swiss, Tamil
Divine; Window of Florence; From the Goddess of the Moon; Heavenly; Polite
Boy/Male
Indian, Kerala
Windows
Boy/Male
Biblical
Window, grief.
Biblical
a window; grief
Biblical
a window; grief
Girl/Female
Australian, Biblical
A Window; Grief
Biblical
window; grief
Girl/Female
Indian
Optional
Biblical
multiplying; sowing sedition; a window; a locust
Girl/Female
Biblical
Multiplying, sowing sedition, a window, a locust.
OPTICAL WINDOW
OPTICAL WINDOW
Boy/Male
American, Australian, British, Christian, Danish, English, German, Norwegian, Scandinavian, Swedish
Powerful Army; Strong Counselor; From the Ancient Personal Name Ragnar; Wise Army; Wise Warrior
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Punjabi, Sikh, Telugu
True Brave; Lord Vishnu; Bravely Upholding the Truth
Female
Czechoslovakian
, Jewish; a Jewess.
Boy/Male
Muslim
Singer, Singing
Boy/Male
Buddhist, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Oriya, Punjabi, Sanskrit, Sikh, Sindhi, Telugu
Blue Lotus
Boy/Male
Tamil
Mighty
Boy/Male
Indian, Parsi
Good Nature; Having a Good Soul
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Marathi, Tamil, Telugu
With Divine Power and Grace; Brightness
Female
English
Latin name AURORA means "dawn." In Roman mythology, this is the name of a goddess of morning. Equated with Greek Eos.Â
Boy/Male
Muslim
Friend, Colleague
OPTICAL WINDOW
OPTICAL WINDOW
OPTICAL WINDOW
OPTICAL WINDOW
OPTICAL WINDOW
a.
One who deals in optical glasses and instruments.
n.
An instrument for showing the optical effects of color.
a.
Expressed in metrical form; exhibiting the imaginative or the rhythmical quality of poetry; as, a poetical composition; poetical prose.
a.
One skilled in optics.
n.
An optical glass that is convex on both sides.
a.
Belonging to, or consisting of, bark or rind; resembling bark or rind; external; outer; superficial; as, the cortical substance of the kidney.
n.
An optical toy similar to the phenakistoscope. See Phenakistoscope.
adv.
By optics or sight; with reference to optics.
n.
Of or pertaining to the science of vision; optical.
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.
a.
Of or pertaining to vision or sight.
n.
An optical glass; a telescope.
n.
The space covered by an optical instrument at one view.
a.
Relating to the science of optics; as, optical works.
a.
Of or pertaining to a vortex or vortexes; resembling a vortex in form or motion; whirling; as, a vortical motion.
n.
Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.
a.
Alt. of Optical
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.
n.
A reflecting optical glass or instrument; a mirror.
a.
Topical.