Add BrightSurf on Google Email

Optica


Research team achieves first 2-color STED microscopy of living cells

A research team from Yale University has successfully achieved two-color stimulated emission depletion (STED) microscopy in living cells, overcoming previous challenges in labeling target proteins. The breakthrough enables resolutions of 78 nanometers and 82 nanometers for sequential scans of two proteins in living cells.

SourceOptica·JournalBiomedical Optics Express·DateAug 17, 2011

New tool may yield smaller, faster optoelectronics

Researchers have developed a new technique to manipulate surface plasmons in real time, enabling the creation of ultra-small-scale optoelectronic devices and systems. This innovation allows for on-the-fly control and flexibility in nano-system design and manufacture.

SourceOptica·JournalOptics Letters·DateAug 11, 2011

Historic first images of rod photoreceptors in the living human eye

Researchers successfully imaged rod photoreceptors in the living human eye for the first time, revealing cellular structure with unprecedented detail. This breakthrough enables earlier diagnosis and treatment of degenerative eye disorders, potentially leading to more effective sight-saving interventions.

SourceOptica·JournalBiomedical Optics Express·DateJun 8, 2011

OSA launches new journal, Optical Materials Express

The new journal, Optical Materials Express, launched by OSA, explores the intersection of optics and materials science, offering rapid online publication and open-access features. The inaugural issue includes research on metamaterials, microlasers, and chiral optical materials.

SourceOptica·JournalOptical Materials Express·DateApr 25, 2011

Beetle bling: Researchers discover optical secrets of 'metallic' beetles

Beetle researchers have discovered that the unique structural arrangements of exo-skeletal chitin layers in their elytra create a metallic appearance by reflecting light through different refractive indices. This phenomenon enables the beetles to produce striking gold and silver colors, similar to those found in precious metals.

SourceOptica·JournalOptical Materials Express·DateApr 25, 2011

Laser sparks revolution in internal combustion engines

Researchers have developed a new laser system that can ignite engine air-fuel mixtures more efficiently than traditional spark plugs. The laser system is made from ceramics and promises less pollution and greater fuel economy, but further testing is needed to make it commercially viable.

SourceOptica·DateApr 20, 2011

Insect eyes inspire improved solar cells

Researchers have created an antireflective coating based on moth eyes that improves the performance of photovoltaic modules in laboratory and field experiments. The film reduces reflections by up to 30% and increases solar cell efficiency by 5-6%.

SourceOptica·JournalOptics Express·DateJan 20, 2011

World's first microlaser emitting in 3-D

Researchers develop a microdroplet 3D laser system using cholesteric liquid crystals, producing the world's first practical three-dimensional laser. The design is small, tunable, cheap, and can be made by millions in seconds.

SourceOptica·JournalOptics Express·DateDec 8, 2010

The hair brush that reads your mind

Researchers developed a novel 'brush optrode' that threads fibers through hair to improve functional near-infrared spectroscopy (fNIRS) signal levels 3-5 fold. The device increases scalp contact, enhances brain imaging, and is more comfortable for patients compared to conventional fiber ends.

SourceOptica·DateOct 19, 2010

Long distance, top secret messages

Physicists at Georgia Tech have developed a critical component of a quantum repeater, allowing for secure encryption key transmission over longer distances. The new technology enables the relay of entangled particles over 1,000 kilometers, significantly improving the security of quantum cryptography.

SourceOptica·DateOct 19, 2010

Treating cancer with light

Scientists at UC Irvine have designed a new device using spatial frequency domain imaging to image cancerous lesions and monitor the effectiveness of photodynamic therapy (PDT) for skin cancer. The device, which uses an array of LEDs, can provide detailed images of the biochemistry of tissue, enabling targeted treatment.

SourceOptica·DateOct 18, 2010

OSA to launch new journal, Optical Materials Express

The Optical Society (OSA) has launched a new peer-reviewed journal called Optical Materials Express, which will focus on advances in novel optical materials. The journal aims to cover a wide range of topics in optical materials, including biomaterials, detector materials and metamaterials.

SourceOptica·JournalOptical Materials Express·DateJun 3, 2010

Back to the future for computers: A return to the 1980s?

Emerging optical technologies will enable warehouse-scale computing data centers, allowing users to access their data from anywhere and at any time. Google's Cedric Lam highlights the importance of low-cost, high-bandwidth, and high-density optical fiber interconnects in powering cloud computing.

SourceOptica·DateMar 11, 2010

From the desk lamp to the desktop?

Researchers from Germany have developed a way to encode wireless broadband signals using desk lamps, exploiting synergy between illumination and information. The system uses visible-frequency wireless with all the bandwidth one could want, achieving record speeds of up to 230 Mbit/s with commercial LEDs.

SourceOptica·DateMar 9, 2010

Police sketch artist evolves

A new computer program called EFIT-V is being used by European police departments to help witnesses remember and recognize suspects. The software generates multiple faces that evolve based on the witness' memories, increasing identifications of suspects compared to traditional methods.

SourceOptica·DateOct 5, 2009

Diamonds are a laser's best friend

Researchers in Australia have developed the first efficient diamond Raman laser, achieving an efficiency of 63.5%, comparable to existing lasers built with other materials. This technology has potential applications in defense technologies, trace gas detectors, medical devices, and satellite mapping.

SourceOptica·JournalOptics Letters·DateSep 18, 2009

Open wide and say 'zap'

Researchers developed a non-destructive way to measure the elasticity of human teeth using lasers, enabling early detection of oral health issues. The new method can help predict emerging dental problems like tooth decay and cavities.

SourceOptica·JournalOptics Express·DateAug 18, 2009

Lettuce gets a healthy suntan

Plant physiologists use UV LEDs to create darker, redder lettuce rich in antioxidants, potentially improving human health. The effect is most noticeable at specific wavelengths and increases with light intensity.

SourceOptica·DateMay 18, 2009

Creating the astro-comb to locate Earth-like planets

Researchers at Harvard-Smithsonian Center for Astrophysics have created an 'astro-comb' to help detect lighter planets around distant stars. The technique sharpens spectroscopy, enabling more accurate pinpointing of planet locations and opening possibilities for detecting more Earth-like planets.

SourceOptica·DateMay 7, 2009

Spreading high-speed Internet to rural areas

A new device using a Raman amplifier has successfully transmitted data over 37 miles of single-mode fiber, error-free, at a speed of 2.5 Gb/s. This technology could provide high-speed Internet to 99% of Australians living in Victoria, closing the digital divide.

SourceOptica·DateMar 16, 2009

Shining light on diabetes-related blindness

Researchers have developed a new way to detect early stages of diabetic retinopathy using beams of light to measure blood flow in the back of the eye. This technique may provide a more quantitative and less invasive method for diagnosing the condition, potentially cutting costs.

SourceOptica·JournalOptics Express·DateMar 11, 2009

Engineers ride 'rogue' laser waves to build better light sources

Engineers at UCLA have successfully harnessed 'rogue' laser waves to produce brighter, more stable white light sources. The new technology reduces fluctuations by at least 90% and decreases energy needed by 25%. This breakthrough could pave the way for better clocks, faster cameras, and more powerful radar and communications technologies.

SourceOptica·DateMar 5, 2009