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308 PV Microscope Colorimeter

Photonics.com
Dec 2010
CRAIC TechnologiesRequest Info
 
SAN DIMAS, Calif., Dec. 2, 2010 — Craic Technologies Inc. has introduced the 308 PV microscope colorimeter designed to be added to an open photoport of a microscope or probe station to provide spectroscopy, color imaging, thin-film thickness measurement and colorimetry capabilities. It enables the user to collect transmission, reflectance, polarization, fluorescence and luminescence spectra.

The UV/VIS/NIR spectrophotometer can nondestructively analyze the color of many types of microscopic samples. Featuring proprietary Lightblades technology, the device can measure the color of microscopic sample areas by transmission and incident illumination. The color from fluorescence and other types of emissions also can be determined.

Applications include colorimetry of pixels on flat panel displays, reflectometry of vitrinite coal and source rock, development of lighting, colorimetry of LCD and organic LEDs, surface plasmon resonance development, biotechnology research, and thin-film measurements of optics and semiconductors. The system is a cost-effective microcolorimetry tool for any laboratory or manufacturing facility.

Thermoelectric cooling improves signal-to-noise ratios and long-term stability.

The spectrophotometer integrates a sophisticated optical interface hard ware, easy-to-use Minerva colorimetric, spectral analysis and film thickness software, and ImageUV image analysis software. It produces high-resolution imaging and features permanently calibrated variable apertures.


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GLOSSARY
colorimeter
1. A visual instrument in which the amounts of three primary lights that match a test color when additively mixed are determined and provide a measure (the tristimulus values) of the test color. 2. A visual or photoelectric instrument for measuring color using (usually) three filters with broad spectral bands. 3. In chemistry, a color comparator used to determine the concentration of absorbing species by Beer's law.  
fluorescence
The emission of light or other electromagnetic radiation of longer wavelengths by a substance as a result of the absorption of some other radiation of shorter wavelengths, provided the emission continues only as long as the stimulus producing it is maintained. In other words, fluorescence is the luminescence that persists for less than about 10-8 s after excitation.
luminescence
See fluorescence; phosphorescence.
microscope
An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
polarization
With respect to light radiation, the restriction of the vibrations of the magnetic or electric field vector to a single plane. In a beam of electromagnetic radiation, the polarization direction is the direction of the electric field vector (with no distinction between positive and negative as the field oscillates back and forth). The polarization vector is always in the plane at right angles to the beam direction. Near some given stationary point in space the polarization direction in the beam...
reflectance
The ratio of reflected flux to incident flux. Unless otherwise specified, the total reflectance is meant; it is sometimes convenient to divide this into the sum of the specular and the diffuse reflectance.
spectrophotometer
An instrument for measuring spectral transmittance or reflectance.
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