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Ukurasa 1 kutoka 36 matokeo
Semiconductor laser
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a semiconductor laser and a method for manufacturing the same. More particularly, the present invention relates to a method for manufacturing a semiconductor laser with excellent heat resistant properties to avoid
Semiconductor laser device
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a semiconductor laser device, used as a light source for an optical disc, such as DVD or the like. More particularly the present invention relates to a semiconductor laser device having a photodetector for
Semiconductor laser device
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
FIELD OF THE INVENTION
The present invention relates to a semiconductor laser device producing visible light and having high performance and long lifetime.
BACKGROUND OF THE INVENTION
FIG. 5 is a cross-sectional view showing a structure of a visible light semiconductor laser. In FIG. 5, reference
Vertical cavity semiconductor lasers
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
TECHNICAL FIELD
This invention relates to semiconductor lasers and more particularly to those which have vertical cavities for the emission of light (optical radiation) through a major ("horizontal") surface of the semiconductor.
BACKGROUND OF THE INVENTION
In prior art, the structure of one useful
Distributed feedback laser for isolator-free operation
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
Semiconductor laser devices are widely used in fiber optic communication systems. Distributed feedback (DFB) lasers have proven particularly successful in achieving narrow-linewidth, single-mode light for high-speed data transmission applications. The DFB device employs a
Misalignment-tolerant, grating-tuned external-cavity laser
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
Field of the Invention
This invention relates generally to lasers and more particularly to tunable external cavity semiconductor lasers. In the following discussion, the first digit of a reference numeral will indicate the first figure in which is presented the element
2-laser optical head and recording/reproducing apparatus
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
The invention relates to a 2-laser optical head having at least a semiconductor laser device for recording, a semiconductor laser device for reproduction, a beam splitter for separating and combining two light beams emitted from the semiconductor laser devices, and one
Cholecystoscopic cannula and cholecystoscopic gallbladder laser-sclerosis procedure
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
The present invention relates to a cannula and a procedure for gallbladder elimination.
The accepted medical practice in resolving gallbladder lithiasis is the complete elimination of the gallbladder and its stones. There are two methods in present usage which achieve
Devices, methods and compositions for presbyopia correction using ultrashort pulse laser
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
FIELD OF INVENTION
The invention relates to devices, compositions and methods used to improve vision and/or to treat an eye lens disease or condition. In some embodiments, the invention relates to altering or removing eye lens material for the treatment of presbyopia. In additional embodiments, the
Reduction of damage initiation density in fused silica optics via UV laser conditioning
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
1. Field of Endeavor
The present invention relates to optics and more particularly to the reduction of damage in optics.
2. State of Technology
The abstract of U.S. Pat. No. 3,999,865 for method and apparatus for determining the mechanism responsible for laser-induced
Apparatus for treating age-related macular degeneration (ARMD)
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
The present invention relates to an apparatus used in opthalmology for treating age-related macular degeneration (ARMD), and more particularly ARMD of the exudative type, by means of a light beam, and more particularly by means of a "non-thermal" laser.
BACKGROUND OF THE INVENTION
Age-related
Method to treat age-related macular degeneration
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
FIELD OF THE INVENTION
The invention is directed generally to an ophthalmological process, and more specifically to a process to improve, maintain, or reduce loss of visual acuity in a patient having or at risk for developing macular degeneration.
BACKGROUND OF THE INVENTION
In the mammalian eye,
Method to treat age-related macular degeneration
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
FIELD OF THE INVENTION
The invention is directed generally to an ophthalmological process, and more specifically to a process to improve, maintain, or reduce loss of visual acuity in a patient having or at risk for developing macular degeneration.
BACKGROUND OF THE INVENTION
In the mammalian eye,
Detecting analyte light absorption utilizing degenerate four wave mixing
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a method and apparatus for nonlinear laser spectroscopy, and more particularly, to a method and apparatus using two or three input laser beams in a nonlinear four-wave mixing setup for ultrasensative analytical
Lidar countermeasure using amplitude and phase front modulation and degenerate four-wave mixing
Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
CROSS REFERENCE TO RELATED APPLICATIONS
This application is related to the subject matter disclosed and claimed in copending U.S. Ser. No. 07/829,793 entitled Fast Acquisition Optical Frequency Locked Loop by Dennis W. Davis and Stanley Scalise filed on even date herewith and assigned to the same
Hifadhidata kamili ya mimea ya dawa inayoungwa mkono na sayansi
- Inafanya kazi katika lugha 55
- Uponyaji wa mitishamba unaungwa mkono na sayansi
- Kutambua mimea kwa picha
- Ramani ya GPS inayoshirikiana
- Soma machapisho ya kisayansi yanayohusiana na utafutaji wako
- Tafuta mimea ya dawa na athari zao
- Panga maslahi yako na fanya tarehe ya utafiti wa habari, majaribio ya kliniki na ruhusu
Andika dalili au ugonjwa na usome juu ya mimea ambayo inaweza kusaidia, chapa mimea na uone magonjwa na dalili ambazo hutumiwa dhidi yake.
* Habari zote zinategemea utafiti wa kisayansi uliochapishwa
