Results 21 to 30 of about 103,281 (241)

Sistemas Lidar para control de tráfico [PDF]

open access: yes, 1995
Peer ...
Comerón Tejero, Adolfo   +1 more
core   +2 more sources

Recent advances in self-frequency-doubling crystals

open access: yesJournal of Materiomics, 2016
The self-frequency-doubling (SFD) crystal is a representative of multifunctional crystals. In recent years, SFD crystals and lasers have gained renewed attention based on the progress on SFD crystals and lasers and Nd:RECa4O(BO3)3 (RE = Y or Gd) crystals,
Haohai Yu   +3 more
doaj   +1 more source

Development of Solution-Processed Perovskite Semiconductors Lasers

open access: yesCrystals, 2022
Lead halide perovskite is a new photovoltaic material with excellent material characteristics, such as high optical absorption coefficient, long carrier transmission length, long carrier lifetime and low defect state density. At present, the steady-state
Nan Zhang   +3 more
doaj   +1 more source

Física contemporánea en la escuela secundaria : una experiencia en el aula involucrando formación de profesores [PDF]

open access: yes, 2000
In this paper we describe our experience in teaching two contemporary physics topics --elementary particles and superconductivity-- at high school level.
Moreira, Marco Antonio   +1 more
core   +2 more sources

Laser as an innovative tool, its implications and advances in dentistry: A systematic review

open access: yesJournal of Photochemistry and Photobiology, 2022
Introduction: Since the 1960s, lasers have been used in dentistry, and their clinical uses have been evaluated. Many dental procedures involve lasers, which are noted for their simplicity, efficiency, comfort, and superiority over older methods.
Saad Liaqat   +8 more
doaj   +1 more source

Crystalline waveguides with carbon nanomaterials for miniaturized pulsed lasers - INVITED [PDF]

open access: yesEPJ Web of Conferences, 2023
This presentation discusses the recent results on miniaturized pulsed solid-state lasers by utilizing femtosecond-laser inscribed crystalline channel waveguides and carbon-nanomaterial-based saturable absorbers.
Bae Ji Eun, Rotermund Fabian
doaj   +1 more source

Fiber Lasers Based on Dynamic Population Gratings in Rare-Earth-Doped Optical Fibers

open access: yesPhotonics, 2022
Long dynamic population gratings (DPGs) formed in rare-earth-doped fibers have unique spectral characteristics compared to other types of fiber gratings, making them suitable for controlling the spectral composition of lasers.
Nikita R. Poddubrovskii   +3 more
doaj   +1 more source

Current concepts in the use of lasers in periodontal and implant dentistry

open access: yesJournal of Indian Society of Periodontology, 2015
Lasers have various periodontal applications including calculus removal (Er: YAG, Er, Cr: YSGG lasers); soft tissue excision, incision and ablation; decontamination of root and implant surfaces; biostimulation; bacteria reduction; and osseous surgery ...
Georgios Romanos
doaj   +1 more source

How to perform ablative laser surgery for skin resurfacing?

open access: yesTurkderm Turkish Archives of Dermatology and Venereology, 2022
The target chromophore of ablative lasers is water.The ablative lasers in dermatologic practice include carbon dioxide (CO2) and Erbium: yttrium-aluminium-garnet (YAG) lasers.
Ercan Çalışkan, Ayşenur Botsalı
doaj   +1 more source

Resultados a largo plazo de depilación laser : seguimiento mayor a doce meses [PDF]

open access: yes, 2012
Introducción: Estudios de depilación láser (DL) con seguimientos a largo plazo son limitados. Resultados en reducción del pelo oscilan entre 60-80% en la literatura disponible.
Ballesteros López, Martha
core   +1 more source

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