September 2010 Issue
Feature Articles
Twenty-First Century Applications of Nanodiamonds
Diamond is taking on a new role as a versatile and practical platform for harnessing the new quantum physics. This article outlines some of the biological and quantum applications of nanodiamonds and the central role of diamond color centers.
by A.D. Greentree, I. Aharonovich, S. Castelletto, M.W. Doherty, L.P. McGuinness and D.A. SimpsonPhotonic Crystal Structures in Molecular Biosensing
Biosensing now spans a range of medical, environmental and industrial applications. New optical techniques based on scattering, absorbance, transmission and photonic crystal technology will allow for compact, low-cost and reliable automatic analysis that can be easily produced on a mass scale.
by Jon Cooper, Andrew Glidle and Richard De La RuePopulation Inversions in Lightning Discharges?
LaserFest provides a fitting opportunity to reflect on whether one of the hallmarks of the laser—population inversion—may have long predated its invention. Could these highly unstable and seemingly unnatural phenomena be part of the normal atmospheric process of lightning discharge?
by William SilfvastExtreme Nonlinear Optics with Ultra-Intense Self-Bending Airy Beams
Recent research in nonlinear optics with ultra-intense and ultra-short laser pulses has opened the door to applications in remote spectroscopy, communications and atmospheric science. This article reviews studies into the propagation of ultra-intense self-bending Airy beams in transparent dielectric media.
by Pavel Polynkin, Miroslav Kolesik, Jerome Moloney, Georgios Siviloglou and Demetrios ChristodoulidesDepartments and Columns
Travel Log: OSA Fellow Visits Turkey
Barry Masters shares what he learned on his trip to Turkey as part of the OSA Fellow Travel Grant program.
The Myth of the Fiber-Optic Polar Bear
Fuzzy wuzzy wasn’t photonic, was he?
Venture Capital and Angel Funding: Making It Work in 2010
Despite the shaky economy, venture capital is still a viable funding option for fledgling optics companies. However, optical entrepreneurs must demonstrate solid plans, a good chance of return on the investment and a strong vision.
Pulsed Laser Emits Bursts of Darkness
A U.S. team has created a passively mode-locked quantum-dot diode laser that gives off pulses of darkness against a background of near-infrared light.
Reminiscences: Robert W. Wood and the Unknown Chemical
Former OSA Executive Director Jarus Quinn recalls his explosive summer as a grad student tasked with cleaning the lab of famed physicist R.W. Wood.
OSA's Congressional Fellows Discuss Issues at Forefront of Congressional Debates
OSA's Congressional Fellows discuss harnessing America's energy potential and advancing American innovation and competitiveness.
OPN talks with Joseph H. Eberly
OPN talks with Joseph H. Eberly, Frederic Ives Medal/Jarus W. Quinn Endowment recipient and FiO speaker.
A Fleeting Look at the Details of Photoemission
Thanks to cutting-edge ultrafast lasers, an international research team has measured how long it takes an atom to emit an electron after it has absorbed a single photon.
A Gigapixel Camera Goes Asteroid-Hunting
On a mountaintop in Hawaii, a modestly sized telescope with the world's biggest digital camera has begun its key science mission: hunting for killer asteroids.
