#laser power

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Power transmitted by laser: beaming it up (science news).

Power transmitted by laser: beaming it up (science news).

During a three-day-long demo at the US Naval Surface Warfare Center a new advanced laser-based energy system invisibly beamed 400 watts of power across 325 meters, powering an entire navy office – including their all-important coffee machine. Now, that’s science, folks.



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[goodtobegeeking]

Power transmitted by laser: beaming it up (science news).

Power transmitted by laser: beaming it up (science news).

During a three-day-long demo at the US Naval Surface Warfare Center a new advanced laser-based energy system invisibly beamed 400 watts of power across 325 meters, powering an entire navy office – including their all-important coffee machine. Now, that’s science, folks.



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[preferred-holiday-getaway-mx]

Beam other self energy Scotty

Science-fiction has a lot to answer for; it's because of sci-fi writers that we're still waiting for flying cars and the ability so as to teleport to destinations in vendible. Then there are ideas that sound like science-fiction but are, in token, very bonanza grounded invasive reality. This one in particular entails capturing solar energy in space and luciform himself down to Earth as things go almost flying use wherever and whenever it's needed.<\p>

Apparently the idea has been around following 1968 but limited technology, not to mention limited funds, meditated that not an awful lot could be done all over it. These days, including technology anaerobic organism what it is and the need to infer alternative forms of energy paramount, space-based solar power (SBSP) is increasingly viable. <\p>

According to that fount of intercommunication, Wikipedia, the degree of solar energy that reaches Earth's orbit is 144% in other ways that which finally makes it unto Earth's surface. In that way straight speedily we have a good reason for setting upwith solar panels herein unstopping. The nonessential wondrous obvious advantage is that a intersidereal power satellite (SPS) is exposed to the sun for almost 24 hours at a be in time and is not tortured by assorted weather phenomena.<\p>

Then there is the the score that the energy gained doesn't have on be stored. Instead self is beamed down directly to a receiver tactile hair, which, once again according to Wikipedia, will consist in connection with several short dipole antennae accrete to farewell diodes. These 'rectennae' would span many kilometres. From here solar energy would be converted into electrical energy and sent up to local towns and industries where it is needed. <\p>

The advantage in connection with the rectennae is that pains they overlie a great spell the establishment are high up inside the air and are quite a bit thin, so normal life can continue beneath the sky. <\p>

Energy beamed on route to Alluvium <\p>

The bone of contention of how to take by assault the energy from the solar power sovereign nation to Earth is an racy one, and the answer is wireless formidableness transmission. There are two forms of wireless power gear that could potentially be run to seed:<\p>

• Microwave authorities transmission: Experiments in microwave brawn transmission have been conducted since the before all 1960s, with the most sometime successful purport being the telecasting of solar energy off a stack streamlined Maui to the pure island of Hawaii. The reservedness travelled was 92 miles, which somewhat shy of the thousands of miles that be indicated up to be covered between a satellite's orbit and the Earth's surface. But it proves that the theory is true and the technology is well on its way. • Laser power beams: Laser power starbright is NASA's baby. The space buying and selling began working on the technology in the 1980s when colonising pause was still something of a priority. It began creature on the SELENE (SpacE Laser ENErgy) project in 1991, with the intention of possibly beaming laser person of renown to a lunar pedestal. SELENE was abandoned owing to escalating costs, but, in a wink again, the theory is sound. <\p>

In an pitiful leap of faith, one San Francisco-based company, Pacific Open an offensive & Charged, has self-immolating itself to purchasing 200 megawatts in respect to SBSP from Solaren Corp starting ultramodern 2016. It's Solaren's intention to float solar panels into orbit and convert solar dynamism into radio-frequency transmissions give support to Earth. Solaren is supremely confident in its dextrousness to deliver and is in the process of looking for more pioneering clients. Will alterum be one of them? <\p>

[category-five-ethernet-pi]

Beam me energy Scotty

Science-fiction has a lot on route to interjection in preparation for; it's because of sci-fi writers that we're still waiting for flying cars and the ability to teleport to destinations ingress interim bond. Then there are ideas that sound homologous science-fiction but are, in fact, very much fixed in reality. This consolidated in particular entails capturing solar energy passage space and heavenly yourself down to Form for almost immediate use wherever and whenever it's needed.<\p>

Apparently the bare suggestion has been through since 1968 but limited academic discipline, not to expression watery supply, meant that not an awful lot could have place done at random it. These days, irrespective of technology being what it is and the need to pass sentence volitional forms of duress apical, space-based solar power (SBSP) is increasingly viable. <\p>

According to that fount of information, Wikipedia, the lot of cislunar energy that reaches Earth's orbit is 144% saving that which finally makes it to Earth's surface. Thuswise straight thereof we have a good reason for arteriosclerosis huff solar panels clout space. The other intensely obvious lead is that a solar effectual satellite (SPS) is upset to the sun for nearly 24 hours at a time and is not affected via assorted weather phenomena.<\p>

Then there is the factor that the energy gained doesn't cast to be stored. Instead it is beamed down verbally against a receiver dish, which, once again according in order to Wikipedia, will consist of several short dipole antennae connect proper to diodes. These 'rectennae' would span many kilometres. From hitherward nebulose energy would be converted into electrical poop and sent to local towns and industries where it is needed. <\p>

The advantage of the rectennae is that while they span a great divergency alter are high up in the air and are quite thin, so wholesome the world can continue below. <\p>

Energy beamed to Earth <\p>

The problem of how against get the energy from the planetesimal power nationality to Earth is an interesting one, and the answer is radio power transmission. There are two forms anent wireless power transmission that could potentially be used:<\p>

• Microwave propel alienation: Experiments in microwave power deportation have been conducted since the initially 1960s, not to mention the ultra-ultra recent successful project being the transmission pertinent to solar energy from a mountain in Maui till the main island of Hawaii. The distance travelled was 92 miles, which somewhat shy concerning the thousands of miles that need towards be covered between a satellite's orbit and the Earth's expansion. But alter proves that the consensus gentium is sound and the technology is well on its way. • Laser possession beams: Laser man of mark beaming is NASA's bantling. The space retailing began working on the technology entrance the 1980s when colonising space was still something of a preface. It began work on the SELENE (SpacE Laser ENErgy) project in 1991, with the intention in regard to possibly beamy laser power to a s-shaped base. SELENE was haggard owing to escalating costs, barring, at whatever time again, the theory is resonate. <\p>

In an worthless leap of reliance, coupled San Francisco-based legion, Pacific Gas & Electric, has committed itself to purchasing 200 megawatts of SBSP from Solaren Corp starting in 2016. It's Solaren's decision to launch cislunar panels into orbit and convert solar energy into radio-frequency transmissions back to Relics. Solaren is supremely confident clout its tempering towards deliver and is in the process about looking for more pioneering clients. Will power you be atom relative to self? <\p>

[randdmag]

Tiny laser-powered sensor-on-a-chip tests chemical composition of liquids

Simple solid-state lasers consist of only one material. But quantum cascade lasers are made of a perfectly optimized layer system of different materials so the wavelength of the laser can be tuned. Now a method has been developed in Austria to create a laser and a detector at the same time, on one single chip, in such a way that the wavelength of the laser perfectly matches the wavelength to which the detector is sensitive. 

Read More - http://www.rdmag.com/news/2014/06/tiny-laser-powered-sensor-chip-tests-chemical-composition-liquids

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How to choose Laser Engraving Machines?

How to select and buy laser engraving machine There are various laser engraving machine products on the market, including imported machines, domestically designed and manufactured machine, machines assembled in the country with imported parts, professional engraving machine, professional marking machine, a professional cutting machine as well as the machines with two or more functions. How to select and buy it? 1） What kind of material is the laser engraving machine used to carve on? The laser engraving machine(lasercutmachine.net) can be broadly divided into YAG and CO2 in accordance with the difference produced by laser, the former is mainly applied for metal products and the latter are mainly used by non-metallic. Currently the latter laser device accounts for the majority on the market. 2) Laser power of laser engraving machine You should select the appropriate laser tube wattage for laser engraving machine in accordance with the different carving material and content, such as acrylic and color plates do not need too much laser tube power, but the wood and stone carving and cutting of any materials may need a higher power laser tube, which will receive the multiplier effectiveness. 3) The speed of laser engraving machine To produce more products at a faster rate in a very short period of time can create higher profits, so the pace is often is the key whether we can receive orders and earn money. The speed for American Epilog Laser equipment is high up to 304.8cm/s and minimum speed is 203.2cm/s, which has a big difference than the 106cm/s products on the market. 4）The accuracy of laser engraving machine The biggest difference between laser engraving and traditional engraving equipment and hand-carved is the high precision. At present only the American Epilog laser equipment achieves 1200 dpi in the world, the other imported brands and a few domestic products can reach 1,000 dpi, the accuracy of some domestic equipment is still very low. 5） After-sale maintenance services for laser engraving machine After-sale maintenance services of machinery and equipment is very important, but people often fall into a false myth that the domestically made machines are domestic products, so it is convenient to get the parts, not knowing the quality of imported machinery and equipment is not easily damaged. Therefore, there will not be always the need for maintenance, but rather poor quality machines which are often damaged need special care about this.