asteroza + flourescent   9

OSA | Luminescent detector for free-space optical communication
Facebook improving fresspace lasercomm receivers by doping optical waveguides with frequency shifter dyes to catch scintillation diffracted laser light for a wide field of view.
scintillation  effect  compensation  flourescence  flourescent  dye  doping  luminescent  concentrator  optical  fiber  wave  guide  waveguide  detector  large  FoV  optics  materials  science  research  technology  facebook  freespace  laser  communications  lasercomm  receiver  Delicious 
july 2016 by asteroza
Revolutionary radiation-sensitive plastic (trademark "Scintirex") with a performance superior to plastic scintillators used for measuring radiation and enabling a major reduction in production costs : NIRS
Sintirex is a recycled PET plastic based plastic scintillator, which basically means the chunk of plastic glows in the dark if hit by radiation. So you put it in a sealed case with a simple optical sensor like a cheap CCD to make a crude but effective low cost radiation detector. Apparently it should be possible to make portable detectors that currently cost $500 for around $100 or less now.
japan  materials  science  research  technology  recycled  PET  plastic  scintillator  Sintirex  radiation  sensitive  flourescent  flourescence  low  cost  detector  sensor  Delicious 
august 2011 by asteroza
They demoed the diabetes monitoring blood sugar nanosensor tattoo using an iPhone with a UV LED and a filter lens.
glucose  sensitive  flourescent  dye  polymer  nanodroplet  nanosensor  sensor  molecule  UV  light  reactive  tattoo  diabetes  blood  sugar  monitoring  health  medicine  research  materials  science  nanotechnology  technology  Delicious 
july 2011 by asteroza
Single-cell biological lasers : Nature Photonics : Nature Publishing Group
Externally pumped laser using external blue light, with external micromirrors, using the cell as a lasing medium of sorts. So the next issue is producing blue light to pump the GFP, and biologically secreted mirrors, and pretty soon the laser shark meme will become real.
single  cell  biological  laser  biology  research  natural  light  green  flourescent  protein  GFP  blue  external  pumped  Delicious 
june 2011 by asteroza
GreenSun Energy - Home page
Using edge concentrator prism tricks with fluorescent nanoparticle dye infused plexiglass as a kind of spectrum prism.
nanoparticle  plexiglass  glass  panel  plate  light  optics  redirection  edge  concentrator  flourescent  dye  solar  power  generator  green  energy  materials  science  research  technology  nanotechnology  Delicious 
september 2009 by asteroza

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