News tagged with laser

Related topics: light · laser beam · atoms · wavelength · nature photonics

Gene may open door for improved keloid, scar treatment

Researchers at Henry Ford Hospital in Detroit have identified a gene that may offer a better understanding of how keloid scars develop and potentially open the door to improved treatment for the often painful, itchy and tender ...

Jan 23, 2015
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A second look at glaucoma surgery

New research led by Queen's University professor Robert Campbell (Ophthalmology) has revealed using anti-inflammatory medications after glaucoma laser surgery is not helpful or necessary.

Sep 18, 2014
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Using femtosecond lasers to administer drugs

Combining physics and neurobiology to tackle Parkinson's Disease is research "I would never have been able to do outside of OIST," says Professor Keshav Dani. The Okinawa Institute of Science and Technology Graduate University's ...

Jun 26, 2014
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Laser

A laser is a device that emits light (electromagnetic radiation) through a process called stimulated emission. The term laser is an acronym for light amplification by stimulated emission of radiation. Laser light is usually spatially coherent, which means that the light either is emitted in a narrow, low-divergence beam, or can be converted into one with the help of optical components such as lenses. Typically, lasers are thought of as emitting light with a narrow wavelength spectrum ("monochromatic" light). This is not true of all lasers, however: some emit light with a broad spectrum, while others emit light at multiple distinct wavelengths simultaneously. The coherence of typical laser emission is distinctive. Most other light sources emit incoherent light, which has a phase that varies randomly with time and position.

This text uses material from Wikipedia, licensed under CC BY-SA

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