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Historical Archive (January 2003 - June 2010)
The historic archive provides access to articles published prior to SPIE's acquisition of optics.org in July 2010.

April 2003

Infrared cameras help stop SARS 30 Apr 03

A UK company unveils a miniature infrared imager that can detect fevers and help prevent SARS spreading.

Yb:doped ceramic makes laser debut 29 Apr 03

Researchers develop the first ceramic-disk laser based on ytterbium-doped yttrium oxide.

Patent highlights 29 Apr 03

The pick of this week's patent applications including a laser range finder that helps blind people gauge distances.

Cordless power meters offer convenient answer 28 Apr 03

Having the right optical power meter is vital, but the range available can make purchasing a complicated business. Our independent guide aims to help you make your decision.

Interferometry gives eye camera a new lease of life 28 Apr 03

A retina camera that combines adaptive optics with optical coherence tomography is generating images of retinal cells with unprecedented resolution. Rob van den Berg discovers that it could lead to early detection of glaucoma.

Cost hinders LED uptake 28 Apr 03

A high price-tag has held back the uptake of white LEDs for many lighting applications. Jacqueline Hewett asks Frank Steranka, vice-president of research and development at Lumileds, about the company's strategy for creating cheaper, brighter devices.

Business briefs 25 Apr 03

Including news from Boeing, JMAR Technologies, Lucent, GSI Lumonics and more.

Financial focus 25 Apr 03

A sample of the latest financial results from companies including Coherent, VISX, Corning, New Focus and more.

MEMS-based camera makes debut 24 Apr 03

The world's first uncooled MEMS-based infrared camera to boast 320 x 240 pixels goes on show in the US.

Patent highlights 24 Apr 03

The pick of this week's patent applications including a distributed Bragg reflector laser based on quantum well intermixing.

Coherent buys back Lambda Physik 23 Apr 03

US laser manufacturer Coherent plans to buy back the outstanding shares in its former subsidiary Lambda Physik.

Laser blend cleans Parthenon frieze 23 Apr 03

A combination of infrared and ultraviolet light restores part of Athens' Acropolis in Greece to its former glory.

Business briefs 17 Apr 03

Including news from Cree, Planar Systems, Osram, Northrop Grumman and more.

Solar cells get thinner and cheaper 16 Apr 03

Researchers use a microstructured substrate to create a new type of very thin, inexpensive solar cell.

Giant CCD snaps first shot 16 Apr 03

Spectacular astronomical images taken by the largest digital camera ever installed on a telescope go on show.

Patent highlights 15 Apr 03

The pick of this week's patent applications including holey-fiber based optical devices that make use of the Raman effect.

Business briefs 11 Apr 03

Including news from XTREME technologies, Rofin-Sinar, DRS Technologies, Avantes and more.

Maps show hotspots in mid-IR LEDs 11 Apr 03

Planar mid-IR LEDs contain massive temperature gradients that dramatically affect the device's performance.

Thin-disk laser beats power record 11 Apr 03

Researchers build a modelocked thin disk laser that emits the highest average power reported to date.

Nanowire comb emits in the UV 10 Apr 03

Researchers grow a microscopic comb structure that emits ultraviolet light.

Robot sews optical fiber into clothes 09 Apr 03

An optical fiber sewing machine is allowing a Korean company to make light-emitting clothes, bags and hats.

Patent highlights 08 Apr 03

The pick of this week's patent applications including a laser with a repetition rate in excess of 40 GHz.

Business briefs 04 Apr 03

Including news from Zygo, VISX, Oxley Avionics, CRL Opto and more.

Cree gets $100m LED chip order 04 Apr 03

Sumitomo has signed a commitment to purchase USD 100 million of LED chips during Cree's fiscal year 2004.

Crystal tunes terahertz emission 04 Apr 03

Researchers build a terahertz radiation source based on a GaP crystal that has a tuning range of 2.5 THz.

Laser probe sniffs out landmines 03 Apr 03

A hand-held optical device that can detect metals, plastics and explosives could speed up the search for landmines.

Study rewrites blue light hazard 02 Apr 03

The retina's damage threshold to blue laser light may be much higher than previously believed.

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