cylindrical | Photonics Spectra

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cylindrical Dictionary Terms

A lens, both surfaces of which are ground and polished into a toric or cylindrical form.

In a cylindrical lens, the meridian parallel to the generating lines of the cylindrical surface. In a toric lens, the...

second-side toric

The process of grinding the concave surface of a sphero-cylindrical lens.

dielectric cylindrical waveguide

A waveguide made up of a dielectric material, such as plastic or mica, in a cylindrical form, through which the waves travel.

integram

A reflection hologram using multiple color lasers that integrates various graphical techniques to allow the display of...

astigmatizer

A cylindrical lens that may be rotated to distort a bundle of light originating at a point source, to form a line image.

nanotube

A nanotube, also known as a nanotubule or simply a tube-like structure, is a nanoscale cylindrical structure composed of...

helium-neon laser

A helium-neon (HeNe) laser is a type of gas laser that emits visible red light at a wavelength of 632.8 nm. It operates...

lap

A metal tool used to grind lenses with loose abrasive (see diamond cutting tool). The functional surface of the lap is...

cross roller slide

A positioning slide mechanism with two rows of alternately crisscrossed cylindrical rollers.

mandrel

A shaft, spindle or any object generally passed through a workpiece to hold, support or shape a particular piece during its...

electron diffraction camera

A special evacuated camera equipped with means for holding a specimen and bombarding it with a sharply focused beam of...

laser optics

Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...

light sheet fluorescence microscopy

Also known as single plane illumination microscopy (SPIM), this process was designed for imaging of sensitive samples and...

sonde

A ruggedized scintillation counter used in oil well logging. The cylindrical housing contains a gamma ray source, a...

parallel-plate waveguide

A pair of waveguides with axes normal to the plane and that guide uniform cylindrical waves.

fiber optic preform

A fiber optic preform is a cylindrical glass rod or tube used as the starting material for manufacturing optical fibers. It...

lenticular color photography

A type of additive color photography using a lenticular structure impressed on a film base and a camera lens with a filter...

anamorphic lens

A lens, usually having one or more cylindrical surfaces, used to produce distorted images and later to restore them to true...

magnetic bubble film

An amorphous film in which cylindrical bubbles of reverse magnetization can be formed to follow circuit paths usually made...

bundle

A conical or cylindrical package of light rays emanating from a common point on the object.

fullerenes

Molecules composed entirely of carbon, in the form of a hollow sphere, ellipsoid or tube. Also called buckyballs....

polishing puck

A flat cylindrical device generally used to polish terminated ends in fiber optic connections.

cylindrical lens

A cylindrical lens is an optical component that has different curvatures along its two orthogonal axes, resulting in a shape...

computer numerically controlled grinding

Computer numerically controlled (CNC) grinding is a manufacturing process that utilizes computerized controls and precision...

powder camera

A camera system that uses a fine powder to diffract x-rays from the specimen. A beam of monochromatic x-rays passes through...

Fresnel lens

A Fresnel lens is a type of optical lens that consists of a series of concentric grooves or steps carved into a flat, thin...

coring

A mass-relieving method whereby material is removed through the sides of a reflector in a direction parallel to the surface....

focusing corner cube

A retroreflector that can focus a beam of light, with one planar reflective surface, one spherical and a third that is...

x-ray image spectrography

Irradiation of a cylindrical crystal with an x-ray beam resulting in Bragg diffraction that produces a slightly enlarged...

light pipe

Transparent matter that usually is drawn into a cylindrical, pyramidical or conical shape through which light is channeled...

single-walled carbon nanotubes

Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared...

azimuthal polarization

Azimuthal polarization refers to a specific polarization state of light where the electric field vector of the...

Wehnelt cylinder

Also known as cathode-ray tube grid or shield. A cylindrically shaped electrode that, containing the cathode of a...

neodymium:YAG

Literally, neodymium:yttrium-aluminum-garnet. A cylindrical rod of yttrium-aluminum-garnet doped with neodymium that is the...

first-side toric

The process of grinding the toric surface of a single vision sphero-cylindrical lens.

anamorphoscope

A cylindrical convex viewing mirror used for viewing distorted pictures formed by photographing the reflections of the...

bolometer

A thermometric instrument used for the detection and measurement of radiant energy. Its essential component is a short...

trial sets (ophthalmic)

Sets of lenses (positive, negative and cylindrical) usually mounted in circular rims suitable for slipping into trial...

adapter

1. In optics, the housing, usually cylindrical, that contains the lenses and iris diaphragm of a camera. 2. In fiber optics,...

SELFOC fiber

Derived from "self-focusing,'' Nippon Sheet Glass Co. (NSG) of Japan's trade name for graded-index fiber rods with parabolic...

(41 results found)

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