منابع مشابه
A quantum optical shutter
A time-dependent dielectric cmedium is used to model a time-varying beam-splitter inside a cavity. The time-varying boundary conditions smoothly evolve from a highly transmitting to a highly reflecting beam-splitter. These approximately correspond to a transformation from a single cavity to a pair of cavities. Quantum field-theoretic calculations show that such a smooth change yields non-singul...
متن کاملLight Efficient Flutter Shutter
Light&Efficient&Flutter&Shutter& ! Moshe!Ben)Ezra! August!2012! ! ! Abstract& ! Flutter! shutter! is! technique! in! which! the! exposure! is! chopped! into! segments! and! light! is! only! integrated!part!of! the! time.!By! carefully! selecting! the! chopping! sequence! it! is!possible! to!better! condition! the! data! for! reconstruction! problems! such! as!motion! deblurring,! focal! sweepin...
متن کاملThe Shutter of Snow
aware of the situations which aggravated the patient and resulted in setbacks to her recovery. On entering the Hospital the patient is bewildered, resentful, suspicious, emotionally uncontrolled, confused by delusions and illusions, hallucinations. As time goes on her imaginings become less morbid; her delusions of grandeur and persecution diminish; her resistance to authority weakens; the visi...
متن کاملA Simple Self - Triggered Plasma Shutter
Kecently it has been shown that a laser induced gas breakdown can be triggered by injecting the starting electrons into the focal volume [ 11. This “plasma shutter” has been applied to the generation of ultrashort CO, puises by optical free induction decay and has potential application as an optical isolator in high power laser systems. It has also been reported that the delay and the jitter ar...
متن کاملSynthetic Shutter Speed Imaging
Hand held long exposures often result in blurred photographs due to camera shake. Long exposures are desirable both for artistic effect and in low-light situations. We propose a novel method for digitally reducing imaging artifacts, which does not require additional hardware such as tripods or optical image stabilization lenses. A series of photographs is acquired with short shutter times, stab...
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ژورنال
عنوان ژورنال: Journal of the Franklin Institute
سال: 1917
ISSN: 0016-0032
DOI: 10.1016/s0016-0032(17)90929-9