Articles and News - Science and Research

Silicon-based laser reaches 100 mW at room temperature

09/29/2014 Collaborating researchers from University College London and the University of Arkansas have developed a silicon-based laser with a threshold current density of 200 A/cm2 and an output power exceeding 100 mW at room temperature.

Solitons in optical fiber help model large oceanic 'rogue waves'

09/29/2014 Researchers from CNRS-Université de Franche-Comté (Besançon, France), University College Dublin, Belfield (Dublin, Ireland), the University of Auckland (Auckland, New Zealand), and Tampere University of Technology (Tampere, Fin...

Yale University, Leica Microsystems establish Microscopy Center of Excellence


On October 20, 2014, the Yale University West Campus will open the doors to a new microscopy Center of Excellence made possible through a partnership with Leica Microsystems.

Princeton nanotechnology increases LED brightness and efficiency by 57%


Using a new nanoscale structure, Princeton researchers led by electrical engineering professor Stephen Chou increased the brightness and efficiency of light-emitting diodes (LEDs) made of organic materials by 57%.

DOE awards Pixelligent and OLEDWorks $1.25M for solid-state lighting development


Pixelligent Technologies was selected for a U.S. Department of Energy (DOE) solid-state-lighting award to support the continued development of its organic light-emitting diode (OLED) lighting application.

CMOS-compatible germanium-tin on silicon could make inexpensive IR camera sensor

09/25/2014 Researchers at the University of Arkansas (Fayetteville, AK) have fabricated a new form of semiconductor photodetecting material -- germanium tin (GeSn) deposited in layers on a substrate of silicon (Si) -- that could be used t...

Inrad Optics Receives SBIR Phase III for stilbene production for fast neutron detection


The Domestic Nuclear Detection Office of the U.S. Department of Homeland Security has awarded Inrad Optics an SBIR Phase III contract to support continued development of neutron detection materials.

Blue phosphorescent OLED lifetime increased by 10X, reaching more than 600 hours


Researchers at the University of Michigan (UM; Ann Arbor, MI) have extended the lifetime of blue organic LEDs (OLEDs) by a factor of ten.

Most Popular Articles

Featured Laser Videos


Infinite Possibilities – Easily Combining Scanner and Servo Motion

( October 15, 2014 / 01:00 PM Eastern Daylight Time / 12:00 PM Central Daylight Time / 10:00 AM Pacific Daylight Time / 17:00 GMT )
Sponsored by

Solutions in Search of Problems: What Spectroscopy Can Do for You

( October 7, 2014 / 12:00 PM Eastern Daylight Time / 11:00 AM Central Daylight Time / 09:00 AM Pacific Daylight Time / 16:00 GMT )
Sponsored by

Fiber Lasers: A technology primer

September 22, 2014

Lasers for Defense and Security

September 10, 2014

White Papers

Miniature Spectrometers for Narrowband Laser Characterization

In less than 60 years, lasers have transformed from the imagined “ray gun” of science fiction into everyday reality. Used everywhere from bar code scanners t...

Ultra-narrowband optical bandpass filters with large format and improved temperature stability

Hard coated ultra-narrowband optical filters made using modern plasma processes offer much improved transmission, temperature stability and out of band block...

Moxtek ICE Cube™ polarizing beamsplitter

The Moxtek ICE CubeTM polarizing beamsplitter (PBS) product performance is compared to a MacNeille PBS cube.  Cube beamsplitters are found in a variety ...

Actuator Precision Characterization

Zaber’s computer-controlled positioning devices use stepper motors, which allow accurate position control without requiring an encoder. In order to get the b...

Technical Digests

Laser Tools for Materials Processing

Laser materials processing requires not only the appropriate industrial laser system, but also a host of “tools” to insure that the laser beam is delivered t...
Sponsored by

Financial News

Article Archive

View Laser Focus World past articles now.

Copyright © 2007-2014. PennWell Corporation, Tulsa, OK. All Rights Reserved.PRIVACY POLICY | TERMS AND CONDITIONS