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Broadbeam Beamsplitter

Photonics Spectra
Aug 2016
Newport CorporationRequest Info
IRVINE, Calif. — Broadbeam BeamsplitterNewport Corp. has introduced a terahertz-visible broadband beamsplitter. The beam splitter is 2 in. in diameter and made of high quality N-BK7 glass with transmission specifications for the visible wavelength range.

It features an indium tin oxide front surface coating that reflects terahertz wavelengths from 1 to 120 THz while transmitting the visible. The back side of the beamsplitter is coated with a broadband antireflection coating optimized for visible wavelengths, 400 to 700 nm.

Applications include spectroscopy, remote sensing, explosives detection, astronomy and telecommunications.


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An optical device for dividing a beam into two or more separate beams. A simple beamsplitter may be a very thin sheet of glass inserted in the beam at an angle to divert a portion of the beam in a different direction. A more sophisticated type consists of two right-angle prisms cemented together at their hypotenuse faces. The cemented face of one prism is coated, before cementing, with a metallic or dielectric layer having the desired reflecting properties, both in the percentage of reflection...
The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
remote sensing
Technique that utilizes electromagnetic energy to detect and quantify information about an object that is not in contact with the sensing apparatus.
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