Search Results for: detectors
VLC Enabled Indoor Navigation Systems for Visually Impaired People
VLC a.k.a Visual Light Communication Indoor Navigation systems are part of an inclusive, smart technology future for the visually impaired. As of 2018, there are about 1.3 billion people worldwide that ...
Li-Fi Technology: A New Avenue for Wireless Data Communications
Light Fidelity, also known as Li-Fi, was invented by Professor Suat Topsu from Paris-Saclay University and introduced worldwide by German Physicist Harald Haas in a 2011 Ted talk. Haas did a demonstration ...
STEM and Inclusion: Women’s Contributions to Optics and Photonics
Introduction: Women make up about 19% of SPIE Optics and Photonics (one of the leading optics/photonics exhibitions and conferences) plenary speakers, representative of an overall lack of diversity in ...
LADAR (Laser Radar Systems) for 3-D Active Detection
The first radar systems were developed in 1935 by the German military. The term RADAR (Radio Detection And Ranging) was coined in 1940 by the U.S. navy. It was used during WWII to detect missiles, ships, ...
Perfect Solar Panels Require Perfect Lasers
Introduction Solar energy is an industry that has gained passionate and widespread support, given its environmental impact. Solar is key to providing sustainable energy and weaning humanity’s dependence on ...
Digital Holography: Interferometric Imaging of Biological Samples
High Resolution Microscopy Image quality in high-resolution optical microscopy is predominately restricted by the diffraction limit– a fundamental consequence of using lenses. High-resolution ...
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 ...
Semiconductors: Two High Impact Applications
Semiconductors are essential for modern day life as we know it. From their usage in integrated circuits for computers’ logic functions to satellite communications, semiconductors allow for efficient ...
Pulsed Diode Lasers: Devices for Frequency Combs and Data Transfer
Ultrafast optics is a very popular field for using short pulses to investigate phenomena that have remained a mystery with traditional optics. It has enabled investigation of fast reactions, high power ...
Quantum Dot Applications: Green Lasers and Quantum Optics
Nanotechnology continues to fascinate us with smaller and smaller devices. Engineers all around the world are constantly pushing and perfecting our manufacturing capabilities to fit more devices within a ...