Measuring the sun''s coronal green line from Earth
Optical Design & Engineering, July 24, 2014
Combining a robust, classically designed coronagraph with liquid-crystal-based focal plane instrumentation enables effective Earth-based observations of the sun''s corona.
Sulfur copolymers for IR optics
Optical Design & Engineering, July 17, 2014
A novel polymer made from sulfur is easily molded and has superior transmission properties in the IR from 600nm up to 6?m with a 1?m stop band.
Monitoring machining temperature using optical fibers
Optical Design & Engineering, July 03, 2014
An IR fiber-optic pyrometer measures temperatures above 250?C close to rotating components where other sensing techniques are unsuitable.
Creating bi-functional metasurfaces
Optical Design & Engineering, July 02, 2014
Transformation optics and geometrical optics theories are used to design novel anisotropic devices.
Photo contest to celebrate light, light-based technologies
Optical Design & Engineering, July 01, 2014
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Enabling compact, high resolution spectrometry
Optical Design & Engineering, June 11, 2014
The implementation of polarization gratings enables a new kind of compact monolithic spectrometer capable of high spectral resolution with wide application in spectral measurements.
An optical system design for the Atacama Large Millimeter Array
Optical Design & Engineering, June 05, 2014
A new baseline design for Band 1 (35-52GHz) will allow an increased range of observation, enabling additional information to be obtained during studies.
Novel flexible LED modules
Optical Design & Engineering, June 05, 2014
A 28m-long light engine constructed with mid-power LEDs on a polyethylene terephthalate substrate has the potential to be a cost-efficient alternative to linear fluorescent tubes.
Three-dimensional invisibility cloaks functioning at terahertz frequencies
Optical Design & Engineering, June 03, 2014
Both the geometric and spectroscopic signatures of an object were completely concealed under 3D terahertz invisibility cloaks made of either homogeneous or inhomogeneous media.
Small-size telescope array for gamma-ray astronomy
Optical Design & Engineering, May 15, 2014
Seven telescopes with a novel dual-mirror configuration are proposed as part of the Cherenkov Telescope Array.
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