Femto-photography

Femto-photography wata dabara ce ta yin rikodin yaɗuwar bugun haske mai ɗan gajeren lokaci ta hanyar wani abu a cikin babban gudu (har zuwa firam 10 13 a kowace daƙiƙa). Femto-photograph daidai yake da amsawar motsin gani na wani abu kuma an nuna shi da kalmomi kamar rikodin haske a cikin jirgin sama  ko hoto na ɗan lokaci.   An fara nuna Femto-photography na abubuwa macroscopic ta amfani da tsarin holographic a cikin shekarun 1970 ta Nils Abramsson a Cibiyar Fasaha ta Royal ( Sweden ).  Wata ƙungiyar bincike a MIT Media Lab karkashin jagorancin Ramesh Raskar, tare da masu ba da gudummawa daga Graphics and Imaging Lab a Jami'ar Zaragoza, Spain, kwanan nan sun sami babban ƙaruwa a ingancin hoto ta amfani da kyamarar layi da aka daidaita zuwa laser mai pulsed kuma an gyara don samun hotuna 2D maimakon layin scanning guda ɗaya kawai.  

A cikin wallafe-wallafen su, ƙungiyar Raskar ta yi iƙirarin cewa tana iya ɗaukar hotunan da suka yi gajeru sosai har haske ya ratsa 0.6 kawai. mm (daidai da 2 picoseconds, ko daƙiƙa 2 ×   ) a lokacin fallasa,  adadi wanda ya yi daidai da ƙudurin da aka ƙayyade na samfurin kyamarar Hamamatsu C5680,   wanda tsarin gwajinsu ya dogara da shi.  Rikodin da aka ɗauka ta amfani da saitin sun kai ga yaɗuwa mai yawa a cikin manyan kafofin watsa labarai, gami da gabatarwar Raskar a TEDGlobal 2012.  Bugu da ƙari, ƙungiyar ta sami damar nuna sake gina abubuwan da ba a sani ba "a kusa da kusurwoyi," watau, a wajen layin ganin tushen haske da kyamara, daga hotunan femto-photographs. 

A shekarar 2013, masu bincike a Jami'ar British Columbia sun nuna wata dabarar lissafi wadda ke ba da damar cire hotuna na wucin gadi daga bayanan firikwensin lokacin tashi ba tare da buƙatar tushen haske ko na'urorin gano abubuwa masu sauri ba. 

 Sauran amfani da kalmar 
Kafin aikin da aka ambata a sama, an yi amfani da kalmar "femto-photography" don wasu hanyoyin da aka tsara a fannin kimiyyar nukiliya na gwaji. 

 Nassoshi