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PhotoFluor Light Source
Apr 2007
Chroma Technology Corp.Request Info
ROCKINGHAM, Vt., April 3, 2007 -- Optical filter maker Chroma Technology has introduced the PhotoFluor, a next-generation high output light source for fluorescence microscopy that combines a powerful metal halide lamp with a sputtered heat-blocking optic to deliver excellent light output across the spectrum from 340 nm to 650 nm.

Chroma.jpgWith emphasis on power in the ultraviolet (UV) range, the PhotoFluor allows bright imaging of DAPI, Hoechst and other UV-absorbing fluorochromes, as well as those with higher excitation wavelengths, including Cy5.

According to Chroma Technology, the PhotoFluor combines a powerful light engine that minimizes the need for alignment with quiet operation, and can increase the throughput of light-limited applications like spinning disk confocals. An innovative power management strategy ensures long lamp life (~2000 hours) with minimal decrease in lamp output over time and less fluctuation during experiments. The PhotoFluor's performance exceeds that of a 100 W mercury lamp, and comes with a five-position discrete neutral density wheel and an easy to use display and user interface.

The Photofluor can be adapted to all current laboratory microscope models. For more information, visit:; e-mail:

Chroma Technology Corp.
10 Imtec Ln.
P.O. Box 489
Rockingham, VT 05101
Phone: (800) 824-7662
Fax: (802) 428-2525


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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.
The combination of the organic dye in a stained specimen and the antibodies produced that is detected by exposure to light.
Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
optical filter
A device with characteristics of selective transmittance, capable of passing a certain part of the electromagnetic spectrum while being opaque to the other portions. Means of producing filters varies considerably. Color filters (for the visual) usually consist of glass, gelatin or plastic containing dyes or pigments. Band pass filters are found in signal processing and are commonly fabricated via electronics and complex circuitry and are designed to pass and reject parts of the spectrum based...
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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