quartz | Photonics Spectra

quartz Dictionary Terms

A lens intended for use with wavelengths shorter than about 380 nm. It must be made of quartz, calcium fluoride, lithium...

bi-quartz

A double block formed by placing two adjoining, equally thick sections of quartz, one being dextrorotary, the other...

crystal

A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess...

Y axis

1. In a plane Cartesian coordinate system, the vertical axis orthogonal to the X-axis. 2. In a quartz crystal structure, the...

acousto-optic diffraction

Light diffracted by a solid (usually quartz in crystal or fused form) traversed by acoustic waves. If the ultrasonic...

Cornu double prism

A compound prism formed by cementing together two 30° prisms, one of right-handed and one of left-handed quartz. It has...

electrodeless discharge tube

A device consisting of an airtight quartz tube that holds the material to be analyzed. When a high-frequency electrostatic...

silicon dioxide

An abundant material found in the form of quartz and agate and as one of the major constituents of sand. The silicates of...

X-axis

1. In a plane Cartesian coordinate system, the horizontal axis, or axis in the left to right direction. 2. In a quartz...

Nichols radiometer

An instrument devised by Nichols and Hull for use in the measurement of radiation pressure. The device has two small...

modulated zone plate

A zone plate produced by a computer and having a binary structure that can be etched into a chromium or quartz layer. It...

cross wire

Fine lines, wires or threads used in the focal plane of many optical instruments to point out and locate particular objects...

optical flat

A piece of glass, pyrex or quartz having one or both surfaces carefully ground and polished plano, generally flat to less...

Christiansen effect

The monochromatic transparency effect produced by the immersion of a finely powdered substance (e.g., glass or quartz) into...

quartz

See crystal quartz; fused quartz.

planar access coupler

Low-insertion-loss fiber coupler fabricated from a sheet of light-sensitive material laminated onto a fused quartz substrate...

halogen lamp

A halogen lamp, also known as a tungsten halogen, quartz-halogen, or quartz iodine lamp, is an incandescent lamp that uses a...

fused quartz and silica

Fused quartz and silica are closely related materials, both composed primarily of silicon dioxide (SiO2), but they are...

photomask

A photomask, also known simply as a mask or reticle, is a key component in the photolithography process used in...

prism

A prism is a geometric optical element with flat, polished surfaces that refract light. It is typically a solid, transparent...

half-shade plate

A semicircular, half-wave quartz plate between the polarizer and analyzer. It often is used in forming precision settings...

crystal quartz

The naturally occurring crystalline form of silicon dioxide. It is slightly birefringent and exhibits rotary dispersion of...

zero-order retarder

A quarter- or half-wave retarder made from two plates of quartz, mica or polymer with their fast axes crossed; the...

quartz light source

A lamp with a quartz envelope that transmits radiation generally rich in the ultraviolet.

blank

A piece of glass, quartz or other transparent material formed roughly by molding or cutting into the approximate shape and...

quartz spectrograph

A spectrograph used to detect radiation in the range of the ultraviolet in the electromagnetic spectrum. It is made up of...

twinning

A defect of natural quartz crystals in which both the right and left quartz are in the same crystal.

silicon monoxide

A material used as a protective layer on an aluminized or silvered mirror. It is evaporated on the mirror as a thin layer,...

slicing and cutting machines - for crystals, quartz, glass, etc.

A crystal, glass, or quartz slicing and cutting machine is a specialized piece of equipment used in the manufacturing...

Babinet compensator

A device containing two opposed quartz wedges of equal angle, one wedge being movable along its length by a micrometer...

nanoimprint lithography

Nanoimprint lithography (NIL) is a nanolithography technique used for fabricating nanoscale patterns on a substrate. It is a...

label-free

Label-free refers to a technique or method that does not require the use of additional labels, tags, or markers to detect or...

quartz plate

A crystalline-quartz plate designed according to specifications but having its two major faces parallel.

ultraviolet fiber optics

Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...

masks for evaporation/deposition

In the context of thin film deposition processes such as evaporation or sputtering, masks are used to selectively deposit...

FTIR spectrometer

FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...

ultraviolet microscopy

The study and photographing of microscope specimens in ultraviolet light; using an optical microscope containing fluorite...

Martens wedge

A wedge-shaped piece of quartz typically found in a polarimeter to monitor and rotate the plane of polarization of plane...

optical materials

Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...

elaterite

The organic inclusion in quartz crystal that forms delicate films and microspheres and that shows a maximum absorption at...

(40 results found)

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