نتایج جستجو برای: pulsed power technology

تعداد نتایج: 946931  

Journal: :Sensors 2023

The 2 μm wavelength belongs to the eye-safe band and has a wide range of applications in fields lidar, biomedicine, materials processing. With rapid development military, wind power, sensing, other industries, new requirements for solid-state laser light sources have emerged, especially field lidar. This paper focuses on research progress lasers lidar over past decade. technology performance pu...

Journal: :journal of artificial intelligence in electrical engineering 2012
mozhgan balavar

facts technology has considerable applications in power systems, such as; improving the steady stateperformance, damping the power system oscillations, controlling the power flow, and etc. statcom is oneof the most important facts devices used in the parallel compensation, enhancing transient stability andetc. since three phase fault is widespread in power systems, in this paper statcom is used...

Journal: :Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus 2007
Evelyn A Paysse Mohamed A W Hussein Aaron M Miller Kathryn M Brady McCreery David K Coats

OBJECTIVE To compare structural and functional outcomes and efficiency of diode laser photocoagulation for retinopathy of prematurity (ROP) when delivered in a pulsed mode versus a near-continuous mode. METHODS A retrospective study was conducted of 138 patients who underwent diode laser photocoagulation for threshold ROP using either pulsed or near-continuous delivery. Laser-related complica...

In this paper, we have presented an X band high power amplifier based on MMIC (Monolithic Microwave Integrated Circuit) technology for satellite remote sensing systems. We have used GaN HEMT process with 500 nm gate length technology with VD= 40 V and VG= -2 V in class E structure. The proposed two-stage power amplifier provides 25 dB power gain with maximum output power of 49.3 dBm at 10 GHz. ...

2004
C. Chang-Hasnain

The ability to fabricate monolithic two-dimensional (2D) diode laser arrays is a key step towards making high-power lasers at low cost, because the manufacture of such laser arrays eliminates labour-intensive fabrication and packaging [ 11. The surface-normal topology of the vertical cavity surface-emitting laser (VCSEL) makes it ideally suited to the formation of 2D arrays for high power appli...

1995
P. B. Wilson

The development of rf systems capable of producing high peak power (hundreds of megawatts) at relatively short pulse lengths (0.1-5 microseconds) is currently being driven mainly by the requirements of future high energy linear colliders, although there may be applications to industrial, medical and research linacs as well. The production of high peak power rf typically involves four basic elem...

2003
S. B. Mirov V. V. Fedorov K. Graham I. S. Moskalev I. T. Sorokina E. Sorokin V. Gapontsev D. Gapontsev V. V. Badikov V. Panyutin

Demonstrations of CW and pulsed microchip lasing in Cr2þ:ZnS and Cr2þ:ZnSe crystals are reported. Slope efficiencies up to 53% with output power up to 150 mW for CW and energy up to 1 mJ for pulsed pumping were achieved. Two compact diode and Er fibre laser directly pumped external cavity Cr2þ: ZnS lasers are also described.

Journal: :Journal of Research of the National Institute of Standards and Technology 1996

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