quartz lamp


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quartz lamp

[′kwȯrts ¦lamp]
(electronics)
A mercury-vapor lamp having a transparent envelope made from quartz instead of glass; quartz resists heat, permitting higher currents, and passes ultraviolet rays that are absorbed by ordinary glass.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The reflective coating quartz lamps are available in shortwave, medium wave and medium wave fast-response versions allowing for the optimum wavelength and off and on speeds needed.
The kit comprises high impact polycarbonate Safety Spectacles and Lint Free Nylon Gloves to avoid fingerprints burning into quartz lamps. In addition, a small case within the kit contains the Mercury spillage Kit, which includes all of the materials and personal protective equipment necessary for the safe removal of small mercury spillages.
Quartz lamps have slightly longer lives, but beam control is poor and fixtures deteriorate rapidly because of high temperature operation.
Two years ago, scientists at the University of Genoa in Italy reported in a letter to NATURE data indicating that ultraviolet light from tungsten halogen quartz lamps could induce skin lesions.
In the Structural Dynamics branch of the Flight Dynamics Directorate of the Aeronautical Systems Center's Wright Laboratory, five "banks" of 81 individual quartz lamps operating at peak power of 2.5 megawatts will subject specimens to temperatures up to 3000[degrees]F During test sessions, the CEAC will be cooled by an 800-gallon-per-minute water supply.
White limestone or marble buildings can be made to look quite striking, for instance, with metal halide or quartz lamps that emit a cool, white light.
The original fixtures, with their exposed lamps, would have created too much glare, so new sources were introduced, including quartz lamps and A 19 lamps.
A combination of fast-responding, medium-wave quartz lamps and convection drying evaporate water and solvents and break down the boundary layer resulting in evaporation of the ink solvent.