Search Results for: fiber lasers
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 ...
Photoacoustic Communication: Using Light to Deliver Audible Messages
Introduction to the Photoacoustic Effect Alexander Graham Bell, a prolific inventor most celebrated for inventing the telephone, first observed the photoacoustic effect in 1880. Bell was experimenting with ...
Wearable Photonics: A Further Representation of Technology in Everyday Life
New Changes in the Hands of the Everyday Individual: Photonics in Wearable Technology With rapid advancements in common devices like phones and watches, technology has become more prominent in everyday ...
Beam Profiling Systems and Their Applications
Beam profiling systems are an essential technology to ensure the quality and uniformity of lasers. Beam profilers measure the optical spatial intensity of an input laser beam, providing information about ...
Lanthanide Nanoparticles for Medical Imaging and Therapy
Non-linear techniques in photonics have opened up new avenues for sensing and manipulating materials. In the 1960s, non-linear techniques were used to discover multiphoton absorption processes in ...
Laser Tissue Interactions: Biological Factors to Consider for Dermatology
In 1963, Leon Goldman became the first person to report using lasers in dermatology. Goldman reported the effects of Ruby laser in the selective destruction of cutaneous pigmented structures, like black ...
A Novel Handheld Viscosity Sensor for Medical and Industrial Applications
A research team at Keio University in Japan devised a novel handheld viscosity sensor capable of quick, non-contact in situ measurements. Viscosity is a fundamental property for liquid analysis in a wide ...
A Practical and Low-Cost Approach to Artificial Compound Eyes
Compound eyes provide insects with the ability to quickly react to danger. These eyes posses a much wider field-of-view, higher light sensitivity, and superior sensitivity to motion when compared to the ...