Ultraviolet Laser Questionnaire - AVCO Everett Research Laboratory
Topics: everett, pulsed, avco, laboratory, laser, pulses, repetition, revere, pulse, parkway, pulse...
Solar System has an abundant form of renewable energy which has potential to fulfill billions of watt of electricity. Now a day solar system is required to generate electricity due to sky rocketing price of oil, natural gas, coal. A solar lighting system which can make a 18x3 w lamp glow continuously for about (10) hours if the battery is fully charged has been constructed. Here, solar energy is collected with the aid of a solar panel and thus, a battery is charged during day time with the help...
Topics: Solar Power Street Light(SPSL) with Auto Intensity Control, Max Peak Power Tracker (MPPT),...
This report describes progress during the 8th quarter of this program and summarizes the current status of the research. Technical activities this period included investigation and application of a simple but clarifying wave-mapping methodology that provides guidance in making more-effective use of curved platform surfaces. This results in conformal designs that provide both higher gain and greater peak power handling. In particular, this design perspective steered us to a notable success...
Topics: DTIC Archive, SCIENTIFIC APPLICATIONS AND RESEARCH ASSOCIATES INC CYPRESS CA, *ANTENNAS, PEAK...
Results are reported for a three year research program with the goal of generating high power microwaves over long-pulselengths. Three types of cyclotron maser devices were developed and utilized in experiments on the Michigan Electron Long Beam Accelerator, (MELBA) at electron beam parameters of 0.6-0.9 MV, 0.52-2 kA, and 0.5-5 microsec: (1) The gyrotron backward-wave- oscillator, (gyro-BWO) produced the optimal combination of high power (1-8 MW) and long pulse (0.5-1.2 microsec) microwave...
Topics: DTIC Archive, Gilgenbach, Ronald M, MICHIGAN UNIV ANN ARBOR INTENSE ENERGY BEAM INTERACTION LAB,...
The U. S. Army Research Laboratory (ARL) is evaluating silicon carbide switches and diodes to determine the range of high power and pulsed power applications for which SiC is a sensible material to use. This study focused on 6 kV, SiC P-i-N diodes which were designed by Cree Inc. and packaged and pulse tested at ARL. Diodes were pulsed at a single shot rate both individually and in parallel. Individual diodes were pulsed as high as 5.9 kA (corresponding to an action of 4.5 x 10(3) A2s) for 25...
Topics: DTIC Archive, ARMY RESEARCH LAB ADELPHI MD, *SWITCHES, DIODES, ELECTRIC CURRENT, HIGH VOLTAGE, PEAK...
Techniques were developed for predicting the reliability of electronic equipments and systems during the early planning stages. The techniques are based on correlation factors which would relate system, equipment, or sub-equipment functions (radar transmitters for instance) by specific characteristics (such as, peak power) to reliability levels achievable within the existing state-of-the-art. The correlation studies performed were categorized into three areas; radar, ground communication and...
Topics: DTIC Archive, FEDERAL ELECTRIC CORP PARAMUS NJ, *RELIABILITY(ELECTRONICS), *RADAR TRANSMITTERS,...
ARC Technology is developing pulse generators for extremely compact geometries requiring megawatts of power and milliJoule to Joule of total energy. These devices are to be constructed with surface mount components and circuit board fabrication techniques to minimize volume, cost, and production time. Clearly, the components in these circuits are operating well beyond their design specifications. Therefore, this paper examines the energy storage and peak power capabilities of various surface...
Topics: DTIC Archive, ARC TECHNOLOGY WHITEWATER KS, *PULSE GENERATORS, *ENERGY STORAGE, *CIRCUIT BOARDS,...
The goal of this program is to develop reliable, ultrafast, high peak-power lasers. These lasers will be used in the military for cloud penetration, reconnaissance, remote sensing, and active illumination; in the microelectronic industry for repair of photomasks and for memory yield improvement; in the automotive industry for sensors and fuel injector machining; and in the aerospace industry for turbine blade machining. We met all of our Phase I objectives. We built a fiber based front-end...
Topics: DTIC Archive, Bado, Philippe, CLARK-MXR INC DEXTER MI, *FIBER OPTICS, *HIGH ENERGY LASERS,...
This study has focused on advanced concepts for generating high peak power, low energy, nanosecond time-scale pulses, and demonstrating that nanosecond pulsed power is an enabling technology. The project has also supported transitions of nanosecond pulsed power to important applications. Single, repetitive, and/or highly repetitive bursts of high peak power pulses can enable and/or enhance physical processes. Applications include combustion, compact, portable pulsed power generators,...
Topics: DTIC Archive, UNIVERSITY OF SOUTHERN CALIFORNIA LOS ANGELES, *PLASMAS(PHYSICS), IGNITION,...
The results of four tests on an explosive-driven sweeping-wave coaxial generator are reported. The first shot of the series used a capacitor bank to supply the initial current. The remaining three shots used an explosive-driven sweeping-wave helical generator to boost the initial current. On the final shot,a peak current of 50 MA was reached in a 12 nH load,corresponding to a peak energy of 15 MJ. The peak power was 1.5 TW and the final current-doubling time was 12.5 microsecond In addition to...
Topics: DTIC Archive, LOS ALAMOS NATIONAL LAB NM, *CAPACITORS, *GENERATORS, BOOST PHASE, DETECTORS,...
During Phase I of the HRS program, the team from the University of Nebraska, Lincoln(UNL) made use of the unique capabilities of their high-power laser system to perform an extensive study of the physical phenomena and control mechanisms involved in one such module: the conversion of laser light into high-brightness, nearly monoenergetic electron beams. During Phase II of the project, we continued work on the development of laser-driven accelerators. The work performed encompassed the...
Topics: DTIC Archive, NEBRASKA UNIV LINCOLN, *HIGH ENERGY LASERS, ELECTRON ACCELERATORS, ELECTRON BEAMS,...
Topics: DTIC Archive, Aleshire,Chris E, MIT Lincoln Laboratory Lexington United States, peak power, yag...
The output energy and pulse shape of XeF/KrF lasers pumped by fast discharges were measured at various gas compositions and total pressures. For the KrF laser, the maximum output (1.6 mJ) was obtained in a gas mixture of He:Kr:NF3 = 100:5:0.2 at a total pressure of 700 Torr. The output energy density was 160 mJ/l, and the wall-plug efficiency was 0.06%. The peak power was 55 kW. For the XeF laser, the maximum output (10 mJ) was obtained in a gas mixture of He:Xe:NF3 = 100:4:2 at a total...
Topics: DTIC Archive, Wang, C. P., AEROSPACE CORP EL SEGUNDO CA LAB OPERATIONS, *HIGH ENERGY LASERS, PEAK...
Microgrids are increasingly being adopted throughout the Department of Defense due to their ability to increase energy security. Though each microgrid is unique, one commonality is that each contains loads that could strain the distributed generators on the grid during starting transients. This is especially important in shipboard applications or Marine Corps forward operating bases, where generator droop characteristics could result in unfavorable effects on running machinery during a...
Topics: microgrid, peak power shaving, shipboard power, three-phase, active power, power flow, voltage...
A self-contained High Power Microwave (HPM) Source With a peak power of 2.2 GW in the frequency range of 150-550 MHz is addressed.
Topics: DTIC Archive, ARMY SPACE AND MISSILE DEFENSE COMMAND REDSTONE ARSENAL AL, *MICROWAVES, ANTENNAS,...
Aethercomm has shown that a high efficiency power amplifier can be developed to enhance efficiency over specific bands over frequencies ranging between 400MHz through 4000MHz with up to 67% efficiencies. These frequencies can be extended down to 30MHz and offer consistent performances by adding additional band functionality allowing support for both HMS, GMR and various commercial applications. The high efficiency power amplifier performance levels shall be maintained with high PAR modulated...
Topics: DTIC Archive, AETHERCOMM INC CARLSBAD CA, *TRANSMITTERS, *EFFICIENCY, *WAVEFORMS, AMPLIFIERS,...
Topics: DTIC Archive, AIR FORCE OFFICE OF SCIENTIFIC RESEARCH ARLINGTON VA, *AIR FORCE RESEARCH, *LASERS,...
Repetitive operation of symmetric 125-mm thyristors has been demonstrated under burst conditions consistent with some electric gun applications. The thyristor was produced by Silicon Power Corp. and utilizes a unique compact package that provides for double-sided cooling with a thermal resistance from junction to sink of 0.0033 K/W. Single shot testing 1 was performed using a 10-m omega pulse-forming network with a total capacitance of 21 mF into a matched load to determine operational limits....
Topics: DTIC Archive, ARMY RESEARCH LAB ADELPHI MD, *ELECTRIC GUNS, *THYRISTORS, ELECTRIC CURRENT, PEAK...
A pulsed, beamless HPM oscillator is described. The oscillator operates in the frequency band of 120-600 MHz and has a peak RF power of 1.8 GW.
Topics: DTIC Archive, ARMY SPACE AND MISSILE DEFENSE COMMAND REDSTONE ARSENAL AL, *OSCILLATORS, FREQUENCY...
Previously reported results of a pulse forming network (PFN) end-of-line clipper (EOLC) point out that solid-state diode EOLC stacks are deficient in important pulser requirements; namely stack reverse leakage, forward current rate-of-rise, forward recovery and high forward drop. Some of these deficiencies can be reduced through an improved understanding of silicon diode rectifier operation at high pulsed power conditions. The apparent current rate-of- rise limitation for high pulsed currents...
Topics: DTIC Archive, ARMY ELECTRONICS TECHNOLOGY AND DEVICES LAB FORT MONMOUTH NJ, *CLIPPER CIRCUITS,...
In this research, experiments and simulations were performed to determine the effects of capacitive VS conductive coupling for the electroporation of cells. The experiment is performed with a fast risetime pulser to expose samples of cells to electric fields at peak voltage of 24.4 kV, 0.6 ns risetime, and 1.6 ns FWHM. Experiments performed compare the direct-conductive connection of the cell suspension versus a capacitively coupled cell suspension. The main conclusion of this research is that,...
Topics: DTIC Archive, MICHIGAN UNIV ANN ARBOR, *CELLS, CONDUCTIVITY, DISPLACEMENT, SUSPENSION DEVICES,...
The U. S. Army Research Laboratory (ARL) is evaluating silicon carbide Super GTOs (SGTOs) [1] to determine the extent of silicon carbide's capabilities as a possible replacement for silicon in future pulsed switching applications. Individual SiC die measuring 4 mm x 4 mm were pulsed at high temperatures and varying pulse widths. These SGTOs were switched in an RLC circuit at temperatures up to 150 deg C. At this peak temperature, they were switched as high as 3.2 kA and repetitively pulsed at...
Topics: DTIC Archive, O'Brien, Heather, ARMY RESEARCH LAB ADELPHI MD, *SILICON CARBIDES, HIGH TEMPERATURE,...
Power devices made on Silicon Carbide (SiC) are expected to offer significant advantages over silicon due to the unique material properties. With the continuing improvement in both material quality (defect density and carrier lifetime) and SiC device fabrication process, SiC power devices are increasingly fabricated with higher blocking rating and larger die size. This paper describes the benefits of using SiC Gate Turn-Off thyristors (GTO) in power electronics, especially for pulse power...
Topics: DTIC Archive, SILICON POWER CORP CLIFTON PARK NY, *POWER EQUIPMENT, *PULSE GENERATORS, ELECTRIC...
This report describes the design and measured performance of a superconducting Josephson array oscillator. An array of Josephson junctions was fabricated to function as a 12 to 18-GHz frequency agile voltage controlled oscillator for application in analog-to-digital conversion. At a temperature of 4.2 K, measured peak RF power was approximately -84 dBm in a 300 kHz bandwidth. This work was performed in support of MITRE Sponsored Research project 91080, Superconducting Analog-to-Digital...
Topics: DTIC Archive, McClay, C P, MITRE CORP BEDFORD MA, *SUPERCONDUCTORS, RADIOFREQUENCY POWER, ANALOG TO...
The research project involved two graduate students, Mr. David B. Goldstein and Ms. Laurie B. Schneider. Both students have obtained the Master Degrere at the end of the first year of the program. David Goldstein was dedicated to the measurements of nuclear reactions in hot plasmas generated from plasma focus discharges with peak electrode current of not less than 0.6 MAmp. Laurie Schneider was dedicated to optimizing the characteristics of scintillaton detector/phoromultiplier systems for...
Topics: DTIC Archive, Nardi, V., STEVENS INST OF TECH HOBOKEN NJ, *PLASMAS(PHYSICS), ION BEAMS, PEAK POWER,...
Our overall goal is to develop and qualify devices capable of repetitively switching high peak currents (1 MA) and large quantities of charge (500 C). In 1988 we designed and tested a hollow-anode ignitron at levels of up 925 kA and 280 C per shot[1]. This level is three times that previously achieved with standard, commercially available tubes[2]. Our latest designs, developed with the cooperation of industry, incorporate a hollow anode into an industrial ignitron. Prototypes have recently...
Topics: DTIC Archive, LAWRENCE LIVERMORE NATIONAL LAB CA, *ANODES, *IGNITRONS, CAPACITORS, CURRENTS, ENERGY...
Peak optical power from single 1-cm diode laser bars is advancing rapidly across all commercial wavelengths. Progress in material performance is reviewed and we show that current trends imply there is no fundamental barrier to achieving peak powers of 1-kW per 1-cm diode laser bar. For bars with such high peak powers. commercially available reliable devices would be expected to deliver 300-W per bar. Progress to date has allowed us to demonstrate 400-W peak output from single 1-cm diode laser...
Topics: DTIC Archive, Crump, Paul, NLIGHT PHOTONICS CORP VANCOUVER WA, *DIODE LASERS, HIGH POWER,...
The objective is to develop a free electron laser (FEL) for the far infrared that will be modest in cost and size, and therefore be suitable for placement in an individual laboratory or hospital. The oscillator would operate in the range from 80 to 500 micrometers, with megawatts of peak power and a 10 micro s macropulse.
Topics: DTIC Archive, Pantell, Richard H., STANFORD UNIV CA DEPT OF ELECTRICAL ENGINEERING, *FREE ELECTRON...
Korad lasers and laser accessory equipment - Korad, Union Carbide 1967
Topics: laser, lasers, model, pulse, giant, korad, power, raman, radiation, ruby, giant pulse, lasers...
To design and validate accelerated life tests of RF MEMS capacitive switches, acceleration factors of charging effects in switch dielectric were quantitatively characterized. From the measured charging and discharging transient currents at different temperatures and control voltages, densities and time constants of dielectric traps were extracted. A charging model was constructed to predict the amount of charge injected into the dielectric and the corresponding shift in actuation voltage under...
Topics: DTIC Archive, Yuan, Xiaobin, MEMTRONICS PLANO TX, *DIELECTRICS, *ELECTRIC CHARGE, ACCELERATION,...
Evaluation of high power thyratrons designed and fabricated by IT&T and EEV for SDIO applications will be discussed. Results will be presented on switches for burst mode applications and continuous duty operation. For burst mode conditions of interest for LLNL's LINAC programs IT&T's F259 and F266 and EEV's CX 1547, 1547(R), and 1536(R) were evaluated at pulse repetition rates up to 6 kilohertz at peak forward voltages of 25 and 40 kilovolts. The feasibility of EEV's CX 1700 type...
Topics: DTIC Archive, ARMY ELECTRONICS TECHNOLOGY AND DEVICES LAB FORT MONMOUTH NJ, *HIGH POWER,...
The goal is to design the Spring Ankle with Regenerative Kinetics (SPARKy) which seeks to develop a new generation of powered prosthetic devices based on the Robotic Tendon actuator. This actuator is a lightweight motor and transmission in series with a helical spring that significantly minimizes the peak power requirement of an electric motor and total system energy. The Robotic Tendon has kinetic advantages and stores and releases energy to provide SPARKy users with 100% of required push-off...
Topics: DTIC Archive, ARIZONA STATE UNIV TEMPE, *PROSTHETICS, ACTUATORS, ELECTRIC MOTORS, JOINTS(ANATOMY),...
A modification of the 0.6 omega, 10 TW BLACKJACK 5 pulser has reduced its output impedance to 0.3 omega without a commensurate increase in pulser diameter. This new configuration is named BLACKJACK 5' and demonstrates convoluted power flow concepts as applied to coaxial water dielectric pulse lines. In this modification, a dual pulseforming line and ground plane shielded output switch provides the initial power flow convolution and the resultant parallel power flow is subsequently recombined in...
Topics: DTIC Archive, MAXWELL LABS INC SAN DIEGO CA, *POWER LEVELS, *PULSE GENERATORS, DIODES, FLOW,...
The objective is to develop a free electron laser (FEL) for the far infrared that will be modest in cost and size, and therefore be suitable for placement in an individual laboratory or hospital. The oscillator would operate in the range from 80 to 500 micrometers, with megawatts of peak power and a 10 microseconds macropulse. The accelerator is compact and simple, consisting of a 1.5 cavity RF gun using a thermionic emitter and an accelerator length of 8 cm. In this manner, beam energies in...
Topics: DTIC Archive, Pantell, Richard H., STANFORD UNIV CA, *FREE ELECTRON LASERS, OSCILLATORS, LASER...
Silicon carbide avalanche breakdown diodes (ABDs) were fabricated with different P+ implant depths, drift layer thicknesses, and doping concentrations. ABDs from 4 different designs, having breakdown voltages near 1 kV, were pulse tested in an inductive load circuit at peak powers of over 110 kW. Total pulsed-energy dissipation was kept nearly the same among the ABDs for a defined pulse subinterval. Results of the pulsed-current tests are presented and conclusions are drawn from comparisons of...
Topics: DTIC Archive, Urciuoli,Damian, US Army Research Laboratory Adelphi United States, silicon carbides,...
Recent extensions of the peak power capabilities of planar triodes have made possible the latter's use as very fast pulse amplifiers, to drive optical gates within high-power Nd:glass laser chains. These pulse amplifiers switch voltages in the 20 kV range with rise times of a few nanoseconds, into crystal optical gates that are essentially capacitive loads. This paper describes a simplified procedure for designing these pulse amplifiers. It further outlines the use of bridged-T constant...
Topics: DTIC Archive, LAWRENCE LIVERMORE NATIONAL LAB CA, *GLASS LASERS, *PEAK POWER, *PULSE AMPLIFIERS,...
The parallel momentum spread of an intense relativistic electron beam (1 KA/CC, 700 KV) used in a Raman free electron laser, is determined by a Thomson backscattering experiment. Theory is reviewed to show that the relativistic effect combines with the backscattering geometry to provide maximum energy resolution, sensitivity, and scattered signal level for the energy diagnostic experiment. The electron beam is field-emitted from a cold cathode, apertured by the anode, and guided by a 9.5 KG...
Topics: DTIC Archive, Chen, S C, COLUMBIA UNIV NEW YORK PLASMA PHYSICS LAB, *ELECTRICAL LASERS, *FREE...
The flashover characteristics of the water/vacuum insulator assembly of the Gamble II pulsed power generator at the Naval Research Laboratory (NRL) were investigated to determine the insulator's applicability for use with the recently assembled Hawk generator, which features inductive store/plasma opening switch (POS) technology. Hawk produces a 1-microsecond voltage pulse with a peak value of 265 kV at the vacuum insulator during the POS conduction time. When the POS opens, a voltage pulse as...
Topics: DTIC Archive, NAVAL RESEARCH LAB WASHINGTON DC PLASMA PHYSICS DIV, *ELECTRIC GENERATORS, *PLASMA...
A dual resonant transformer, capable of charging a 40 pF pulse forming line to 350 kV, has been developed. Peak repetition rates of two kilo-Hertz have been obtained with the use of a self break high pressure hydrogen spark gap switch. The primary energy store of the device consists of 17.6 nF at 30 kV. This paper will discuss the design of the transformer, the development of the high pressure hydrogen switch, and the use of a high pressure SF6 environment to house the pulse transformer. Also...
Topics: DTIC Archive, MAXWELL LABS INC ALBUQUERQUE NM, *ENERGY STORAGE, *REPETITION RATE, *TRANSFORMERS,...
High power, fast recovery vacuum switches were used in a new repetitive counterpulse and transfer circuit to deliver a 5-kHz pulse train with a peak power of 75 MW (at 8.6 kA) to a 1-omega load, resulting in the first demonstration of fully controlled, high power, high repetition rate operation of an inductive energy storage and transfer system with nondestructive switches. New circuits, analytical and experimental results, and feasibility of 100-kA and 100-kV repetitive pulse generation are...
Topics: DTIC Archive, LOS ALAMOS NATIONAL LAB NM, *ENERGY STORAGE, *PULSE TRAINS, *VACUUM SWITCHES,...
We have investigated the acceleration of very thick cylindrical aluminum liners using the Pegasus II capacitor bank. These accelerated solid liners will be used to impact other objects at velocities below 1.5 km/set, allowing us to generate and sustain shocks of a few 100 kilobar for a few microseconds. A cylindrical shell of 1100 series aluminum with an initial inner radius of 23.61 mm, an initial thickness of 3.0 mm, and a height of 20 mm, was accelerated using a current pulse of 7.15 MA peak...
Topics: DTIC Archive, LOS ALAMOS NATIONAL LAB NM, *ALUMINUM, *CAPACITORS, *LININGS, *VELOCITY,...
Topics: audio, noise, frequency, signal, output, input, module, crossover, high frequency, sine wave, input...
The U.S. Army Research Lab (ARL) is investigating the switching capabilities of advanced silicon devices for high current pulsed power applications. These solid state switches are intended to replace more traditional vacuum switches. The benefits of these switches are higher dI/dt, peak power levels and current densities, increased reliability and lifetime, and smaller switch volume. The peak current achieved by the device was 83.3 kA, with a 10% to 90% rise time of 3.5 microseconds while a...
Topics: DTIC Archive, Crowley, Tim, ARMY RESEARCH LAB ADELPHI MD, *SOLID STATE ELECTRONICS, *VACUUM...
This program called for the development of an octave band circulator in 7.5 - 18 GHz. Initially, a four port differential phase shift circulator using nonreciprocal phase shifter in a rectangular waveguide structure was studied. Nonreciprocal phase shifter design with H-plane displayed limitations in terms of broadband performance. With optimum phase shifter geometry, 90% of required bandwidth could be achieved. During the course of the circulator development program analytical studies on...
Topics: DTIC Archive, RAYTHEON CO NORTHBOROUGH MA SPECIAL MICROWAVE DEVICES OPERATION, *Waveguide...
Electron beam generator engineering trade-offs involved in decreasing the output duration of a large KrF laser by a factor of two so as to double the peak power delivered to an ICF target are discussed.
Topics: DTIC Archive, SANDIA NATIONAL LABS ALBUQUERQUE NM, *ELECTRON BEAMS, *HIGH ENERGY LASERS,...
Railguns have great potential in military roles; however, they currently lack a fieldable power supply. Recent advances in the state of low voltage power storage devices may enable practical Pulse Forming Inductive Network power supplies to be developed if a suitable current interruption device is developed. A solid-state device in a counterpulsed opening switch configuration is a possible solution. A demonstration counterpulsed solid-state opening switch was constructed and successfully...
Topics: DTIC Archive, Graham, Michael, NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *ELECTROMAGNETIC GUNS, *SOLID...
Atlas is a facility designed and being constructed at Los Alamos National Laboratory (LANL) to perform high energy-density experiments in support of weapon-physics and basic-research programs. It is designed to be an international user facility, providing experimental opportunities to researchers from national laboratories and academic institutions. For hydrodynamic experiments, it will be capable of achieving pressures exceeding 10 Mbar in a several cm3 volume. The 23-MJ capacitor bank will...
Topics: DTIC Archive, LOS ALAMOS NATIONAL LAB NM, *PULSE GENERATORS, CAPACITORS, ELECTRIC CURRENT, ENERGY...
The ability to control chromatic dispersion is in serial time encoded amplified microscopy (STEAM) where dispersion is used to slow down fast signals so that they can be digitized in real-time. Unfortunately, these dispersive elements suffer from one or more of the following restrictions: (i) limited operational bandwidth, (ii) limited total dispersion, (iii) low peak power handling, or (iv) large spatial footprint. This project was aimed at identifying new dispersive device technologies that...
Topics: DTIC Archive, CALIFORNIA UNIV LOS ANGELES, *DISPERSIONS, *FOURIER TRANSFORMATION, BROADBAND, FIBER...
The effect of the patterning process on the nonlinearity of the microwave surface resistance RS of YBCO thin films is investigated. With the use of a sapphire dielectric resonator and a stripline resonator, the microwave RS of YBCO thin films was measured before and after the patterning process, as a function of temperature and the rf peak magnetic field in the film. The microwave loss was also modeled, assuming a J2 rf dependence of ZS(Jrf ) on current density Jrf . Experimental and modeled...
Topics: DTIC Archive, MASSACHUSETTS INST OF TECH CAMBRIDGE, *MICROWAVES, *THIN FILMS, *NONLINEAR SYSTEMS,...
The laser diodes are efficient sources of optical radiation. The maximum optical peak power depends on the pulse duration of the driving current pulse - reducing the pulse duration the safety peak power is increased. The aim of the study is to elaborate a methodology to determine the safety operation area of the high power laser diodes designed for CW operation. Using this methodology, the designer of certain laser devices may exploit the maximum of the laser diode under pulsed operation. The...
Topics: DTIC Archive, Yankov, Plamen, Y AND S COMPANY SOFIA (BULGARIA), *HIGH POWER, *REPETITION RATE,...