Simple, low-jitter, scanning nanosecond delay generator

Benetti, P.; Bonelli, A.; Gobbi, Pier Giorgio

doi:10.1063/1.1137204

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1985

2023

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Cited by 4 publications

(1 citation statement)

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“…The LEAFS instrumentation used for this work is listed in Table I and shown in Figure 1. The excimer pump laser was externally triggered at 60 Hz by a laboratory-constructed line frequency synchronized oscillator (14). The trigger signal was transmitted between the oscillator and the laser power supply by use of an optical fiber.…”

Section: Methodsmentioning

confidence: 99%

Photomultiplier gating for improved detection in laser-excited atomic fluorescence spectrometry

Seltzer¹,

Hendrick²,

Michel³

1985

Anal. Chem.

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Section: Methodsmentioning

confidence: 99%

Photomultiplier gating for improved detection in laser-excited atomic fluorescence spectrometry

Seltzer¹,

Hendrick²,

Michel³

1985

Anal. Chem.

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Cross-Section Determination Of An Autoionizing Transition In Atomic Uranium Through Laser Induced Photoionization In Hollow Cathode Lamp

1987

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Correction of non-uniform angular velocity and sub-pixel jitter in optical scanning

2021

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Optical scanners are widely used in high-resolution scientific, medical, and industrial devices. The accuracy and precision of these instruments are often limited by angular speed fluctuations due to rotational inertia and by poor synchronization between scanning and light detection, respectively. Here we demonstrate that both problems can be mitigated by recording scanner orientation in synchrony with light detection, followed by data resampling. This approach is illustrated with synthetic and experimental data from a point-scanning microscope with a resonant scanner and a non-resonant scanner. Fitting of the resonant scanner orientation data to a cosine model was used to correct image warping and sampling jitter, as well as to precisely interleave image lines collected during the clockwise and counterclockwise resonant scanner portions of the rotation cycle. Vertical scanner orientation data interpolation was used to correct image distortion due to angular speed fluctuations following abrupt control signal changes.

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Simple, low-jitter, scanning nanosecond delay generator

Abstract: We present a simple and inexpensive TTL variable delay generator with nanosecond time step resolution and subnanosecond jitter. Its application is intended for the synchronization of pulsed multilaser systems to be used in resonant ionization spectroscopy studies.

Cited by 4 publications

References 6 publications

Photomultiplier gating for improved detection in laser-excited atomic fluorescence spectrometry

Photomultiplier gating for improved detection in laser-excited atomic fluorescence spectrometry

Cross-Section Determination Of An Autoionizing Transition In Atomic Uranium Through Laser Induced Photoionization In Hollow Cathode Lamp

Correction of non-uniform angular velocity and sub-pixel jitter in optical scanning

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