Search Results for: led

Semiconductor Nanowire Photodetectors and Lasers
Semiconductor Nanowire Photodetectors and Lasers
Nanowires are truly one-dimensional structures that are long in one direction and short on the lateral dimension. This dimensional reduction gives rise to interesting new phenomena such as quantized ...
Laser Eye Surgeries: Excimer, Ultrafast and State of the Art
Laser Eye Surgeries: Excimer, Ultrafast and State of the Art
Understanding the emergence of New Developments Laser eye surgeries such as LASIK are used to treat a number of eye conditions including retinal tears and detachments, macular degeneration, and glaucoma. ...
Raman Lasers: Non-Linear Light Generation for Broadband Applications
Raman Lasers: Non-Linear Light Generation for Broadband Applications
Raman scattering phenomenon can be used to engineer broadband tunable lasers and to generate a broad band of frequencies in the IR spectrum. These light sources are instrumental for probing and detecting ...
Laser Detectors and Power & Energy Meters: A Primer
Laser Detectors and Power & Energy Meters: A Primer
For any high-sensitivity laser application, it is essential that all necessary characteristics of the laser beam in use can be quantified and characterized beforehand. To this end, we have written ...
Nanophotonics: Big Developments In a Small World
Nanophotonics: Big Developments In a Small World
  An Introduction to Nanophotonics: Something Big from Something Small In recent years there has been a lot of work with nanophotonics in optical physics and engineering. This is a part of the rising ...
Ultrafast Light Pulses: The Next Step of Information Transfer?
Ultrafast Light Pulses: The Next Step of Information Transfer?
As we have noted several times previously on our blog, Moore’s law, the phenomenon of exponential growth of computing power due to ever more compact transistor technology, can only continue so far ...
Photoacoustic Elastography: Using Light & Sound for Tissue Diagnosis
Photoacoustic Elastography: Using Light & Sound for Tissue Diagnosis
Introduction to Elastography Elastography is a type of imaging modality that provides information on the elastic properties and stiffness of the tissue being reviewed based on spatial distribution. It is ...
Laser Diode-Pumped Phosphor Light Sources
Laser Diode-Pumped Phosphor Light Sources
Comparison Between Laser Diode-Pumped Light Sources, LEDs, and HIDs There is a great push in society today to offer light sources that are brighter, clearer, and more energy efficient. For many years now, ...
Nitrogen Vacancy Centers: Robust Magnetic Field Sensors
Nitrogen Vacancy Centers: Robust Magnetic Field Sensors
Nitrogen vacancy centers in diamond are an exciting platform to build very accurate sensors. These vacancy centers provide very precise energy levels that can be influenced and controlled by various ...
Variable-Focus Adaptive Lenses for Presbyopia Correction
Variable-Focus Adaptive Lenses for Presbyopia Correction
Introduction to Presbyopia As we grow older the lens of the eye becomes much more rigid, hindering the ability to properly focus light onto the retina. This condition, presbyopia, affects approximately two ...