Results 11 to 20 of about 101,946 (198)
Review of 1.55 μm Waveband Integrated External Cavity Tunable Diode Lasers
Photonics, 2023 The 1.55 μm waveband integrated external cavity tunable diode lasers have excellent merits such as their small volume, low cost, low power consumption, wide tuning range, narrow linewidth, large side mode suppression ratio, and high output power.
Linyu Zhang +13 more
doaj +1 more source
Sensors, 2023 Frequency-difference-stabilized dual-frequency solid-state lasers with tunable and large frequency difference have become an ideal light source for the high-accuracy absolute-distance interferometric system due to their stable multistage synthetic ...
Mingxing Jiao +6 more
doaj +1 more source
Mid-infrared III–V semiconductor lasers epitaxially grown on Si substrates
Light: Science & Applications, 2022 There is currently much activity toward the integration of mid-infrared semiconductor lasers on Si substrates for developing a variety of smart, compact, sensors based on Si-photonics integrated circuits.
Eric Tournié +8 more
doaj +1 more source
Current Applications and Future Directions of Lasers in Endodontics: A Narrative Review
Bioengineering, 2023 The utilization of lasers has been regarded as a novel technique for the purposes of clinical use in the dental field. Recently, numerous studies have been conducted on the potential applications of laser therapy in endodontics.
Qin Huang +4 more
doaj +1 more source
Nueva modalidad de tratamiento de la fractura complicada de corona y raíz
Medimay, 2005 Se presenta el caso de una fractura complicada oblicua de corona y raíz del incisivo central superior izquierdo, que se extiende hasta la porción superior del tercio gingival que involucra la pulpa dentaría de un diente con completa formación apical; se ...
LucÍa Pedroso Ramos +1 more
doaj +4 more sources
Carbon nanotube mode-locked fiber lasers: recent progress and perspectives
Nanophotonics, 2020 Carbon nanotubes (CNTs) possess remarkable nonlinear optical properties; a particular application is to function as a mode locker used in ultrafast fiber lasers to produce ultrashort optical pulses.
Dai Lilong +7 more
doaj +1 more source
Remote Sensing, 2022 The Global Ecosystem Dynamics Investigation (GEDI), specifically designed to measure vertical forest structures, has acquired, since April 2019, more than 35 billion waveforms of Earth’s surface on a nearly global scale. GEDI is equipped with 3 identical
Ibrahim Fayad +2 more
doaj +1 more source
Active waveguide Bragg lasers via conformal contact PDMS stamps
Scientific Reports, 2022 Lasing is observed in Bragg lasers formed through conformal contact of a patterned PDMS stamp with a plain active film, spincoated on glass. The thresholds, output efficiencies and spectral characteristics are compared to standard substrate patterned ...
Yun Li, Girish Lakhwani
doaj +1 more source
Results in Optics, 2023 We examined the effect and influence of power stability of different commonly used lasers on the outcome of phase-stepping shearographic experiments.
Kazi Monowar Abedin +2 more
doaj +1 more source
Ion-Doped Photonic Crystal Fiber Lasers
Frontiers in Chemistry, 2021 Compared with conventional solid-state lasers, fiber lasers have the advantages of small size, simple cooling system, and good output beam quality, enabling them an extended service lifetime in industrialized environments.
Ya-Chong Hou +15 more
doaj +1 more source