Search Results for: detectors

Perovskite Quantum Dots
Perovskite Quantum Dots
Quantum dots, sometimes referred to as semiconductor nanocrystals, are an exciting emerging technology that we have covered previously on our blog. Quantum dots are artificial nanoparticles (on the order ...
Laser Doppler Flowmetry: Measuring Blood Flow with Light
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 ...
Nitride Semiconductors: Diode Lasers for Visible and UV Light
Nitride Semiconductors: Diode Lasers for Visible and UV Light
Semiconductor lasers apart from silicon itself have dominated the LED industry because of their better efficiency in light emission. However, at first, most of such devices emitted light in the red to ...
Lanthanide Nanoparticles for Medical Imaging and Therapy
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 ...
Bionic Limb Advancements with Fiber Optics and Light Detection
Bionic Limb Advancements with Fiber Optics and Light Detection
Introduction   Bionic limbs exist in a number of books, movies, and TV shows. Science fiction fans will remember the Steve Austin’s Bionic Arm from his role in The Six Million Dollar Man. Even ...
Mirrors and the James Webb Space Telescope: Probing the Origins of the Universe
Mirrors and the James Webb Space Telescope: Probing the Origins of the Universe
Work with Mirrors in Advanced Scientific Disciplines Many times when people think of mirrors they fail to think about their advanced scientific applications. However, telescopes and other devices contain ...
Computational Ghost Imaging: An Unconventional Solution
Computational Ghost Imaging: An Unconventional Solution
X-Rays and Imaging We commonly associate x-ray imaging with hospitals and broken bones, but why are x-rays the chosen source of radiation instead of visible light or electron beams? The high initial energy ...
Skin-Like Device Design Using the Monte Carlo Method
Skin-Like Device Design Using the Monte Carlo Method
Researchers from Tsinghua University in Beijing, China, recently published their findings on using the Monte Carlo method during the design of skin-like optical devices. The Monte Carlo method allows for ...
A Novel Handheld Viscosity Sensor for Medical and Industrial Applications
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 ...
Visual SLAM: Sensor Application in Autonomous Mobile Robots
Visual SLAM: Sensor Application in Autonomous Mobile Robots
Visual SLAM is now a trending approach in autonomous mobile robot development. Mobile robot is the one capable of transporting itself from place to place. For example, the first mobile robot emerged as a ...