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searching for Optical medium 30 found (49 total)

Nonlinear optics (6,656 words) [view diff] no match in snippet view article find links to article

Nonlinear optics (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the polarization density

MD Data (259 words) [view diff] exact match in snippet view article find links to article

MD Data is a magneto-optical medium succeeding MiniDisc. Sony wanted it to replace floppy disks, but instead came the Zip drive, CD writers, and memory

Raman amplification (272 words) [view diff] exact match in snippet view article find links to article

the inelastic scattering of a higher-frequency 'pump' photon in an optical medium in the nonlinear regime. As a result of this, another 'signal' photon

Enhanced Versatile Disc (703 words) [view diff] no match in snippet view article find links to article

The Enhanced Versatile Disc (EVD) is an optical-medium-based digital audio/video format, developed by Beijing E-World (a multi-company partnership including

GPON (805 words) [view diff] exact match in snippet view article find links to article

fibre-to-the-premises (FTTP) services. GPON puts requirements on the optical medium and the hardware used to access it, and defines the manner in which

Optical microcavity (1,116 words) [view diff] exact match in snippet view article find links to article

structure formed by reflecting faces on the two sides of a spacer layer or optical medium, or by wrapping a waveguide in a circular fashion to form a ring. The

Absolute Time in Pregroove (374 words) [view diff] exact match in snippet view article find links to article

Absolute Time in Pregroove (ATIP) is a method of storing information on an optical medium, used on CD-R and CD-RW . ATIP information is only readable on CD-R

Frequency-resolved optical gating (1,924 words) [view diff] exact match in snippet view article find links to article

"auto-spectrogram" of the pulse, in which the pulse gates itself in a nonlinear-optical medium and the resulting gated piece of the pulse is then spectrally resolved

Kerr-lens modelocking (1,061 words) [view diff] exact match in snippet view article find links to article

effect is a process which results from the nonlinear response of an optical medium to the electric field of an electromagnetic wave. The refractive index

Cloak of invisibility (2,624 words) [view diff] exact match in snippet view article find links to article

an optical medium determines how light propagates within it. Consequently, by a suitable choice of refractive index profile for an optical medium, light

Videocassette recorder (2,324 words) [view diff] exact match in snippet view article find links to article

'90s and early 2000s, DVDs became the first universally successful optical medium for playback of pre-recorded video, as it gradually overtook VHS to

Hyperpolarizability (669 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \chi } is the electric susceptibility. In a nonlinear optical medium, the polarization density is written as a series expansion in powers

Optical rectification (611 words) [view diff] exact match in snippet view article find links to article

generation depends on the second order susceptibility of the nonlinear optical medium. A popular material for generating radiation in the 0.5–3 THz range

Spectrophotometry (3,649 words) [view diff] exact match in snippet view article find links to article

as glass and plastic absorb infrared, making it incompatible as an optical medium. Ideal optical materials are salts, which do not absorb strongly. Samples

Optical transistor (1,992 words) [view diff] exact match in snippet view article find links to article

transistors. This is due to the fact that the speed of light in an optical medium is typically much faster than the drift velocity of electrons in semiconductors

Nintendo optical discs (1,719 words) [view diff] case mismatch in snippet view article find links to article

July 6, 2011. Felix “tmbinc” Domke (November 7, 2008). "Anatomy of an Optical Medium Authentication (Part 1)". Archived from the original on June 18, 2020

Disk image (2,187 words) [view diff] exact match in snippet view article find links to article

an ISO image. This can also be faster than reading from the physical optical medium. Further, there are less issues with wear and tear. A hard disk drive

James Russell (inventor) (809 words) [view diff] exact match in snippet view article

Arts in Physics, Reed College Occupation Inventor Employer Pacific Northwest National Laboratory Known for Inventing video recording on an optical medium

Horn antenna (3,412 words) [view diff] exact match in snippet view article find links to article

The taper functions similarly to a tapered transmission line, or an optical medium with a smoothly varying refractive index. In addition, the wide aperture

Guardian (polymer) (987 words) [view diff] exact match in snippet view article

2014. Hardwick, Bruee; Ghioghiu, Ana (2004). "Guardian substrate as an optical medium for security devices" (PDF). Note Printing Australia. Archived from

Modem (7,720 words) [view diff] exact match in snippet view article find links to article

home installations, installed inside or outside a house to convert the optical medium to a copper Ethernet interface, after which a router or gateway is often

BIOS (8,816 words) [view diff] exact match in snippet view article find links to article

virtual floppy disk can contain software that provides access to the optical medium in its native format. The user can select the boot priority implemented

Spoof surface plasmon (1,528 words) [view diff] exact match in snippet view article find links to article

plasmon modes in structured conductor embedded in an asymmetric magneto-optical medium, which results in one-way transmission. Pan et al. observed the rejection

100 Gigabit Ethernet (7,124 words) [view diff] exact match in snippet view article find links to article

wavelength-division multiplexing to pack four 10 Gbit/s signals into one optical medium were not compatible with the IEEE 802.3ba standard, which used either

Drive Letter Access (989 words) [view diff] exact match in snippet view article find links to article

it was replaced by a similar product, like Drag-to-Disc. To use an optical medium such as a CD-R, CD-RW, DVD±R or DVD±RW just like a floppy drive it is

Helmholtz reciprocity (2,610 words) [view diff] exact match in snippet view article find links to article

the path of the ray, the principle does not apply. Departure of the optical medium from linearity also causes departure from Helmholtz reciprocity, as

Double-blind frequency-resolved optical gating (1,524 words) [view diff] exact match in snippet view article find links to article

involved crossing two replicas of the pulse to be measured in a nonlinear-optical medium (where one gated the other in time) and measuring the spectrum of the

History of sound recording (9,338 words) [view diff] exact match in snippet view article find links to article

accusations of tampering. The first attempts to record sound to an optical medium occurred around 1900. Prior to the use of recorded sound in film, theatres

Frontier (banknotes) (8,661 words) [view diff] exact match in snippet view article

Spain. Hardwick, Bruee; Ghioghiu, Ana (2004). "Guardian substrate as an optical medium for security devices" (PDF). Note Printing Australia. Archived from

Non-line-of-sight propagation (6,550 words) [view diff] exact match in snippet view article find links to article

model at each interface, is analogous to optical beams passing from one optical medium to another as predicted by Snell's Law. When the beam passes from a