Moving Picture Recording and Observation of Visible Femtosecond Light Pulse Propagation

Kakue, Takashi; Aihara, Masayuki; Takimoto, Tetsuya; Awatsuji, Yasuhiro; Nishio, K.; Ura, Shogo; Kubota, Toshihiro

doi:10.7567/jjap.50.050205

Cited by 5 publications

(2 citation statements)

References 25 publications

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“…There were many experiments made by light-in-flight recording at the framing rate of 10 10 fps, such as the wavefront of light reflected by a mirror and focused by a lens and light passing through interferometers. After that, the framing rate of 10 12 fps, using the just developed colliding mode-locked dye laser, was reached in China [22], the propagation process of a picosecond light pulse diffracted in diffuse transmission medium was recorded by Japanese scholars [23], and the propagation process of a femtosecond light pulse was recorded [24][25][26][27]. This imaging technique, unifying the shuttering and framing functions, is more available to study ultra-short laser pulse transmission and luminescence very cleanly and sharply.…”

Section: Table 1 Atomic Time Scalementioning

confidence: 99%

Simulation and fabrication of one dimensional terahertz photonic filter

Ling¹,

Liao²,

Huang³

et al. 2012

JOURNAL OF SHENZHEN UNIVERSITY SCIENCE AND ENGINEERING

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Atomic time scale imaging, opening a new era for studying dynamics in microcosmos, is presently attracting immense research interesting on the global level due to its powerful ability. On the atom level, physics, chemistry, and biology are identical for researching atom motion and atomic state change. The light possesses twoness, the information carrier and the research resource. The most fundamental principle of this imaging is that light records the event modulated light field by itself, so called all optical imaging. This paper can answer what is the essential standard to develop and evaluate atomic time scale imaging, what is the optimal imaging system, and what are the typical techniques to implement this imaging, up to now. At present, the best record in the experiment, made by multistage optical parametric amplification (MOPA), is realizing 50 fs resolved optical imaging with a spatial resolution of ~83 lp/mm at an effective framing rate of 15×10 12 fps for recording an ultrafast optical lattice with its rotating speed up to 13.5×10 12 rad/s.

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Section: Table 1 Atomic Time Scalementioning

confidence: 99%

Simulation and fabrication of one dimensional terahertz photonic filter

Ling¹,

Liao²,

Huang³

et al. 2012

JOURNAL OF SHENZHEN UNIVERSITY SCIENCE AND ENGINEERING

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show abstract

“…This method is not relevant for our application since SL is spectrally dependent and its characterization is envisaged at a specific wavelength. Finally, a method called light-in-flight holography, popularized by Abramson [25], [26] allows tagging temporal photons through spatial multiplexing in holographic plates [27], [28] , or more recently via digital hologram recording [29] , making use of low-coherence light pulses. Despite the interesting spatial and temporal resolution (up to ~100 fs [29] ), holography seems unsuitable for recording multiple SL components over a large dynamic range.…”

Section: Introductionmentioning

confidence: 99%

Time resolved characterization of stray light

Clermont

Uhring²,

Georges

2021

Optical Measurement Systems for Industrial Inspection XII

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Traditional approach to stray light characterization is intrinsically limited. While the stray light level in an optical instrument can be measured, it is not possible to derive from experimental measurements the origin of the different features. Consequently, when unexpectedly high stray light is present, it is extremely difficult to find how to improve the system. In this paper, we introduce a new method where a pulsed laser and an ultra-fast sensor is used. As different stray light contributors have different optical path lengths, they reach the detector at different times and resolving them temporally allows to measure them separately. Their origin can be retrieved by using the optical path length as a mean of identification. We present the conceptual study and the experimental proof of concept of this new method. We were able to characterize individually the different stray light components in an imaging system and determine their origin. We show how the measurements allow to reverse engineer the instrument properties and even verify sub-system requirements.

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Motion picture of short pulses

Abramson

2011

Nature Photon

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Moving Picture Recording and Observation of Visible Femtosecond Light Pulse Propagation

Cited by 5 publications

References 25 publications

Simulation and fabrication of one dimensional terahertz photonic filter

Simulation and fabrication of one dimensional terahertz photonic filter

Time resolved characterization of stray light

Motion picture of short pulses

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