Results 201 to 210 of about 65,642 (268)
Transmission of Radio‐Frequency Waves and Nuclear Magnetic Resonance in Lanthanum Superhydrides
Advanced Science, EarlyView.1H NMR and radio‐frequency transmission measurements of lanthanum superhydrides at 165 GPa reveals a transition at 260–280 K by a strong suppression of the signal intensity, significant changes in NMR spectra, including a dramatic decrease of the relaxation rate 1/T1T, and pronounced shielding effect, which may have a superconducting nature.
Dmitrii V. Semenok +8 more
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Emerging Device Applications From Strong Light–Matter Interactions in 2D Materials
Advanced Science, EarlyView.Two‐dimensional semiconductors enable extremely compact optoelectronic devices such as solar cells, sensors, LEDs, and lasers. Their strong light–matter interactions allow efficient light emission, detection, and energy conversion. This review article discusses the recent progress in integrating these materials with optical cavities and nanostructures ...
Janani Archana K +7 more
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Effect of 980 nm diode laser irradiation in comparison with conventional irrigation on smear layer removal from radicular dentin-an in vitro experimental study. [PDF]
BDJ OpenTanveer SA, Ghafoor R, Omerson A.
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DIODE LASER ENDOPHOTOCOAGULATION
RETINA, 1995To evaluate the utility, safety, and reliability of diode laser endophotocoagulation in a sizable clinical series.Two hundred twenty-six consecutive eyes treated with diode endophotocoagulation were studied prospectively. Surgical indications included proliferative diabetic retinopathy (134 eyes), proliferative vitreoretinopathy (27 eyes), complicated ...
M, Sasoh, W E, Smiddy
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Toward Nonepitaxial Laser Diodes
Chemical Reviews, 2023Thin-film organic, colloidal quantum dot, and metal halide perovskite semiconductors are all being pursued in the quest for a wavelength-tunable diode laser technology that does not require epitaxial growth on a traditional semiconductor substrate. Despite promising demonstrations of efficient light-emitting diodes and low-threshold optically pumped ...
William B. Gunnarsson +6 more
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Australian and New Zealand Journal of Ophthalmology, 1991
AbstractDiode laser is a solid state Gallium Aluminium Arsenide (Ga AIAs) laser with a wavelength of approximately 800 nm (near infrared radiation). It has a similar penetration to, and absorption within the ocular tissues as, Krypton red. Diode laser trabeculoplasty (DLT) was carried out on 20 glaucomatous eyes resulting in a mean fall in intraocular ...
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AbstractDiode laser is a solid state Gallium Aluminium Arsenide (Ga AIAs) laser with a wavelength of approximately 800 nm (near infrared radiation). It has a similar penetration to, and absorption within the ocular tissues as, Krypton red. Diode laser trabeculoplasty (DLT) was carried out on 20 glaucomatous eyes resulting in a mean fall in intraocular ...
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Semiconductor Diode Laser Endophotocoagulation
Ophthalmic Surgery, Lasers and Imaging Retina, 1989ABSTRACT We successfully used a semiconductor diode laser to deliver endophotocoagulation burns to the retina of a rabbit. The diode laser employed emits light at a wavelength of 817 nm (near infrared). It has a power output of up to 1.0 W in the continuous-wave mode, equivalent to the capability of current argon laser endophotocoagulators. A
J S, Duker +3 more
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Laser-diode holographic recording
Optics Letters, 1986We report the recording of optical holograms in both holographic plate films and thermoplastic film using a commercial single-mode laser diode having a wavelength of 787.3 nm. Holographic film characteristics and laser-diode coherence length studies as well as experimental results with simple plane-wave holograms are discussed.
J A, Davis, M F, Brownell
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Physical Review Letters, 1987
A foilless diode usually requires an externally applied magnetic field to control expansion and transport of a relativistic electron beam. A new foilless diode has been developed that does not require an external magnetic field. A low pressure organic gas is introduced into the diode and the transport region.
, Shope, , Frost, , Leifeste, , Poukey
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A foilless diode usually requires an externally applied magnetic field to control expansion and transport of a relativistic electron beam. A new foilless diode has been developed that does not require an external magnetic field. A low pressure organic gas is introduced into the diode and the transport region.
, Shope, , Frost, , Leifeste, , Poukey
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DIODE LASER PERIPHERAL IRIDECTOMY
International Ophthalmology Clinics, 1990We examined the creation of peripheral iridectomies using the semiconductor diode laser in ...
J J, Jacobson +3 more
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