Small spot size versus large spot size: Effect on plan quality for lung cancer in pencil beam scanning proton therapy
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13512
Abstract: Abstract Purpose The purpose of the current study was to evaluate the impact of spot size on the interplay effect, plan robustness, and dose to the organs at risk for lung cancer plans in pencil… read more here.
Keywords: spot; spot size; lung; spot plans ... See more keywords
Effects of spot size on biomarker levels of field‐collected dried blood spots: A new algorithm for exact dried blood spot size measurement
Sign Up to like & getrecommendations! Published in 2022 at "American Journal of Human Biology"
DOI: 10.1002/ajhb.23777
Abstract: The quality of blood values analyzed from survey‐collected dried blood spot (DBS) samples is affected by fieldwork conditions, particularly spot size. We offer an image‐based algorithm that accurately measures the area of field‐collected DBS and… read more here.
Keywords: blood; collected dried; dried blood; spot size ... See more keywords
Novel 40 µm spot size 3050/3200 nm DFG laser versus CO2 laser for laser‐assisted drug delivery
Sign Up to like & getrecommendations! Published in 2024 at "Lasers in Surgery and Medicine"
DOI: 10.1002/lsm.23755
Abstract: The use of ablative fractional lasers to enhance the delivery of topical drugs through the skin is known as laser‐assisted drug delivery. Here, we compare a novel 3050/3200 nm difference frequency generation (DFG) fiber laser (spot… read more here.
Keywords: laser; spot size; size; delivery ... See more keywords
Single-pulse characterization of the focal spot size of X-ray free-electron lasers using coherent diffraction imaging
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s1600577523000887
Abstract: A new spot characterization method is proposed, based on coherent diffraction imaging that can accurately determine the focal spot size of a single X-ray free-electron laser pulse. This method was successfully applied to characterize the… read more here.
Keywords: spot; free electron; spot size; focal spot ... See more keywords
EXPRESS: Knife-Edge Technique Using Raman Spectrometers to Determine the Effective Laser Spot Size on Powders: Implications for Planetary Exploration.
Sign Up to like & getrecommendations! Published in 2025 at "Applied spectroscopy"
DOI: 10.1177/00037028251404964
Abstract: Raman spectroscopy is an analytical technique of choice for Earth and planetary sciences, which was recently selected as part of robotic exploration missions on Mars. Indeed, several miniaturized Raman spectrometers have been included into the… read more here.
Keywords: laser; spot size; size; raman spectrometers ... See more keywords
Ultra-compact dual-band grating coupler for visible wavelengths with shape-optimized spot size converter.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.570898
Abstract: Here, we theoretically and numerically present, to the best of our knowledge, the first ultra-compact dual-band grating coupler for visible wavelengths based on a silicon nitride (Si3N4) platform. The device can be divided into two… read more here.
Keywords: ultra compact; coupler; spot size; grating coupler ... See more keywords
Polymer spot size converter on silicon photonics chip for enabling high coupling to single-mode fiber.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.481663
Abstract: Silicon photonics (SiPh) technology has gained considerable attention as a result of the growing demand for high-bit-rate optical interconnections. Low coupling efficiencies, resulting from the difference in spot size between silicon photonic chips and single-mode… read more here.
Keywords: spot size; silicon; photonics; chip ... See more keywords
The Effect of Spot Size Combination Mode on Ablation Morphology of Aluminum Alloy by Millisecond-Nanosecond Combined-Pulse Laser
Sign Up to like & getrecommendations! Published in 2018 at "Materials"
DOI: 10.3390/ma11081419
Abstract: Ablation morphology affects the quality of laser processing. Therefore, the control of ablation morphology is very important. The influence of spot size combination mode on the ablation morphology of aluminum alloy is studied for the… read more here.
Keywords: ablation; ablation morphology; size combination; spot size ... See more keywords
Research on Optimized Design of In Situ Dynamic Variable-Aperture Device for Variable-Spot Ion Beam Figuring
Sign Up to like & getrecommendations! Published in 2025 at "Micromachines"
DOI: 10.3390/mi16080849
Abstract: Ion beam figuring (IBF) is an ultra-high-precision surface finishing technology characterized by a distinct trade-off between the spot size of the removal function and its corresponding figuring capabilities. A larger spot size for the removal… read more here.
Keywords: aperture; spot size; spot; beam ... See more keywords
Silicon Nitride Spot-Size Converter with Coupling Loss < 1.5 dB for Both Polarizations at 1W Optical Input
Sign Up to like & getrecommendations! Published in 2024 at "Photonics"
DOI: 10.3390/photonics12010005
Abstract: Microwave photonics (MWP) applications often require a high optical input power (>100 mW) to achieve an optimal signal-to-noise ratio (SNR). However, conventional silicon spot-size converters (SSCs) are susceptible to high optical power due to the… read more here.
Keywords: optical input; input; spot size; power ... See more keywords
Estimate of the Cathodic Arc Spot Size in a Nontransferred Arc Plasma Torch by Comparing the Results of a Numerical Analysis with the Experimental Results
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Korean Physical Society"
DOI: 10.3938/jkps.74.785
Abstract: The cathodic arc spot size of a nontransferred arc plasma torch is an important parameter that can predict the thermionic emission phenomenon for arc channel formation and the ion flux that impinges on the cathode… read more here.
Keywords: cathodic arc; arc spot; spot; spot size ... See more keywords