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ultrafast spectroscopy News
Near-IR Light Powers Molecular Motor with Low-energy Photons Via Antenna
GRONINGEN, Netherlands, Oct. 29, 2020 — Chemists at the University of Groningen have designed a near-infrared light-powered rotary motor, the type that can be used to deliver autonomous motion to a system, or to ensure that a system responds to a prompt on command. The chemists administered near-infrared light to their molecular motor through an antenna. Many biological applications require low-energy, low-intensity light to power a molecular motor and effectively penetrate tissue. UV light, effective at making molecular motors
Quantum Optics Lead to Spectroscopy Method for Measuring on FS Timescale
MOSCOW, Dec. 1, 2017 — Scientists have demonstrated a time-resolved spectroscopy technique that enables the study of very fast processes in samples on the femtosecond (fs) time scale without the need for an fs laser or a complex detection system. The method works by...
Laser-Based Camera Enables 2D Femtosecond Videography
LUND, Sweden, May 8, 2017 — According to researchers, a video camera has been developed that can film at a rate equivalent to five trillion images per second, recording events as short as 0.2 trillionths of a second. The ultrafast camera, which enables 2D videography of...
New Frontiers in Spectroscopy
Feb 10, 2016 — This month’s issue should prove a treat to history buffs and futurists alike. In a special section focusing on spectroscopy (read article), we chart the major contributions to the field over the past 500 years, beginning with Sir Isaac...
Ultrafast spectroscopy reveals new uses for flawed gems
TUCSON, Ariz. – Ultrafast laser pulses have provided the first detailed observation of how energy travels through diamonds with specific flaws that provide interesting optical and electronic properties. A team led by University of Arizona assistant professor...
Ultrafast Spectroscopy Reveals New Uses for Flawed Gems
TUCSON, Ariz., Oct. 9, 2013 — Ultrafast laser pulses have provided the first detailed observation of how energy travels through flawed diamonds. These flaws, known as nitrogen-vacancy centers, have interesting optical and electronic properties that are seen as promising for a...
The Ti:Sapphire Laser
Jul 1, 2010 — Since their invention in the early 1980s, titanium-doped sapphire (Ti:Al2O3 or Ti:sapphire) lasers and amplifiers have enabled countless applications in fundamental research in physics, biology and chemistry. Today, they play an important role...
Mode-Locked Raman Fiber Laser Reaches 100 GHz
Jan 1, 2007 — Many applications — from telecommunications to ultrafast spectroscopy — require short-pulsed lasers with high repetition rates and high average powers. Passively mode-locked Raman lasers are natural candidates for these applications for two reasons:...
Campillo to Join OSA as Senior Director of Science Policy
Sep 29, 2006 — Anthony J. Campillo, PhD, will join OSA as its senior director of science policy, effective Jan. 4. Campillo is an active OSA volunteer and fellow and is editor-in-chief of the OSA-published journal Optics Letters. He will provide strategic...
(9 results found)
May 2024
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