Search Results for: fiber lasers
Counterfeit Currency Detection: UV and Magnetic Sensors
Introduction Counterfeit currency has plagued the United States economy since before the time of our founding fathers. This article will give a brief history on the origins of fraudulent money in the ...
Hybrid Near-IR Spectroscopy Technique for Stroke Diagnosis
Modern Stroke Diagnosis As discussed in a recent article, strokes are one of the most common causes of death in the world. One study found that about 90% of all strokes occur due to cerebral ischemia while ...
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?
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
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 ...
Photoacoustic Imaging for Cardiovascular Disease Diagnosis
Cardiovascular Disease and Photoacoustic Imaging Cardiovascular diseases (CVDs) are the number one cause of death in the world, accounting for 31% of all deaths. This class of diseases includes heart ...
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 ...
Laser Ignition for Eco-Friendly, Gas-Fueled Automobiles
Greenhouse Gas Emission: A Case Study In 2007, German officials pledged that the country would reduce greenhouse gas emissions 40% by the year 2020. The country dedicated $580 billion and passed over ...
Charge Coupled Devices and CMOS Sensors for Superior Imaging
Imaging tools help us see into the world that is not possible with our naked eyes. It was with the invention of the microscope and the telescope that big frontiers in science were reached. We unlocked the ...
Laser Doppler Flowmetry: Measuring Blood Flow with Light
In 1842, Johann Doppler delivered his paper on Doppler effect to Royal Bohemian Society. In his paper “On the Colored Light of Double Stars and Some Other Heavenly Bodies”, he arrived at the ...