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5 DERNIERS ARTICLES
- The Latest Development of High Power Single - mode Fiber
- HTPOW Laser pointer weapon conquer your life
- HTPOW Laser
- Laser Weapon Has Been Deployed at Navy
- The power of America Navy.
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 The Latest Development of High Power Single - mode Fiber Alerter l'administrateur Recommander à un ami Lien de l'article 

If there is a clear trend in the field of laser technology, that is the rise of fiber lasers. In high power cutting and welding applications, fiber lasers have been from the high-power CO2 lasers and solid-state lasers to seize a large number of market share. At present, some mainstream fiber laser pointer manufacturers are exploring many new applications to meet more market demand. In high-power fiber lasers, single-mode systems have satisfactory characteristics: they have high brightness, can focus to a few microns to the highest strength. They also have the largest depth of focus, which makes them ideal for remote machining.

What are the challenges of this single-mode high-power fiber laser? These challenges can be divided into three main areas: improved pumping, designing active fibers with low optical losses and operating only in single-mode operation, and correct measurement of the resulting radiation. In the active fiber design for high power single mode operation, there are two general parameters to optimize: doping and geometry. All parameters must be determined to achieve minimum loss, single mode operation, and final high power amplification. The perfect fiber amplifier will provide over 90% of the high conversion rate, perfect beam quality, and output power limited only by the available pump power.

laser pen

However, lifting a single mode system to a higher power may result in a higher power density within the active core, an increased thermal load, and many non-linear optical effects such as stimulated Raman scattering (SRS) and stimulated Brillouin scattering (SBS). The most striking is the typical effect of the ytterbium-doped quartz fiber, and it is well known in the early days when fiber lasers are not as pure as today, and this is phototaxis. In this process, due to the interaction of the green laser pointer material, a defect center or a color center is formed in the material. This effect is parasitic: it converts pump photons into heat, which results in lower magnification and increased heat load.

Yb (Yb) fiber is a typical main medium for high power single mode fiber lasers. But over a certain threshold, they will show a new effect, the so-called transverse mode instability (TMI). At a particular power level, a high-order mode or even a cladding pattern occurs, where energy is dynamically transferred between these modes and the beam quality is reduced. The beam starts to fluctuate at the output. Since the discovery of TMI, TMI has been observed in various fiber designs from step index fiber to photonic crystal fiber. Only its threshold varies with geometry and doping, but it is roughly estimated that this effect occurs after the output power exceeds 1 kW. At the same time, this effect is combined with the thermal effect inside the fiber, and has a strong correlation with the photo-induced darkening effect. In addition, the sensitivity of fiber blue laser pointer to TMI seems to be affected by the core modal composition.

Step Geometry The geometry of the fiber produces a number of parameters for optimization. The diameter of the core, the size of the pump cladding, and the difference in refractive index between the core and the pump cladding can be adjusted. This tuning depends on the doping concentration, that is, the concentration of Yb ions can be used to control the absorption length of the pumped radiation in the active fiber. Other dopants may be added to reduce the thermal effect and to control the refractive index step.

red laser pointer

But there are some opposite requirements. In order to reduce the nonlinear effect, the fiber should be shorter. However, in order to reduce the heat load, the fiber should be longer. The photodegradation increases with the square of the dopant concentration, so it will be better to have a longer doped fiber. The initial advice on these parameters can be found in the simulation. Some parameters, such as thermal behavior, can be simulated but are difficult to predict, especially since the photo-darkening is low and can not be measured by accelerated testing. Therefore, direct measurement of the thermal behavior in the fiber will contribute to the experimental planning.

Another important parameter in fiber red laser pointer design is the cut-off wavelength, which is the longest wavelength that allows more modes in the active core. High-order mode greater than this wavelength is not supported. In addition to the nature of the fiber itself, there are several ways to influence the amplification process and loss mechanisms, such as fiber bending or seed beam time characteristics and spectral characteristics.

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  Aucun commentaire | Ecrire un nouveau commentaire Posté le 29-07-2017 à 05h40

 HTPOW Laser pointer weapon conquer your life Alerter l'administrateur Recommander à un ami Lien de l'article 

The built-in high powered laser pointer module can improve the heat dissipation of the equipment.This is an important specification to review before purchasing a laser product, and why all Aegis Laser products are either 650nM or 635nM.Two important considerations in choosing a laser collimator are the accuracy and stability of the laser beam alignment to the cylindrical axis of the collimator body.

Laser radiation will harm the eyes if you look directly at the high powered laser pointer beam for extended periods.This emits an intense beam of red laser light exactly along the central axis of the cylindrical collimator body.A Class 3B laser can be a distraction, glare or flashblindness hazard for pilots and drivers.NEVER aim any laser towards an aircraft or vehicle that is in motion.

The world got the first big sniff about China's secretive ' green laser pointer weapon system' program.The beam of the laser would be focused by a membrane telescope.He touted the MiG-35's laser weaponry as something that he said will be able "to cause irreparable damage to potential enemy warplanes' electronics."

Northrop Grumman notes that the exhaust from its Skyguard green laser pointer is non-toxic.Each individual fiber laser is able to stay below the thermal limit, while a single fiber laser at these levels.Lasers are also dependent on the quality of the air they pass through.So the space-based laser weapon system will be one of the major ASAT development projects.

1W laser pointer

UFOs could invade from space and abduct cattle or that giant weapon could battle with Laser Cutter beams.It approached the home masked, gloved, and armed with a pistol with a laser pointing at the doorway.The Paveway (with support of a laser-designator) would be used against moving targets.Next to it is a house made of red bricks and inside the case you will find the ATPIAL Laser Sight assault rifle rail.

Laser weapon has proved that it can automatically reflect Guardian Laser Cutter just by holding your shield up.Go pick up the laser and carry it onto the moving platform.So, while a laser sight for an M4A01 will work on all other assault rifles, it won't work on a submachine gun or a light machine gun.Army also launching laser-guided missiles to obliterate targets.

The red laser pen targeting clues you in. Hide behind a pillar to escape!China is developing its own arsenal of electromagnetic railguns, powerful microwave weapons, and high-powered lasers.China had a laser weapons program and warned that Beijing could be rapidly militarizing space.Jordan's anger over the disappearance of a laser-sight gun he had left at her home.

 

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  Aucun commentaire | Ecrire un nouveau commentaire Posté le 16-03-2017 à 09h28

 HTPOW Laser Alerter l'administrateur Recommander à un ami Lien de l'article 

http://www.htpow.com/htpow_lasers.html About HTPOW Laser Our History HTPOW is a global online company that delivers products directly to consumers around the world. Founded in 2006. HTPOW has offered customers a convenient way to shop for a wide selection of laser products at attractive prices through www.htpow.com, and other websites, which are available in multiple major languages. HTPOW offers lasers in the three core categories of laser pointer, laser flashlight,laser accessories,laser carver and other laser products. Our Guarantee We guarantee a 30-day money back return policy. We guarantee your laser will be free from defects for a full year from the date of receipt. We guarantee delivery to nearly every country in the world (include Asia,Europe, Africa,South and North America) or your money will be back.

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 13-08-2016 à 07h58

 Laser Weapon Has Been Deployed at Navy Alerter l'administrateur Recommander à un ami Lien de l'article 

The influence of the laser weapon on the military equipment of our army Laser weapons will be used in a large number of various types of combat platforms, to seize the commanding heights of this battle field. http://www.htpow.com/ultra-powerful-laser-pointer-blue-10000mw-class-iv-445nm-p-1028.html Laser weapon has the ability to attack without advance, and has the ability to find the target is equal to hit the target, once it is found, the target can not use their own ability to get rid of the burning laser pointer weapon attack. Therefore, on the one hand, we have the first enemy to discover the superior reconnaissance capabilities, on the other hand, the request of their own military equipment is not found in the enemy, around this point, our task is to: http://www.htpow.com/green-5000mw-laser-pointer-cheap-htpow-high-power-green-laser-pointers-starry-5-in-1-focus- adjustable-p-1004.html The mature 5000mw Laser Pointer weapon in the United States is a chemical laser weapon, which is produced by the atomic stimulated emission of a large number of chemical substances. But chemical laser weapons are bulky and should not be deployed. United States Air Force currently developed airborne oxygen iodine chemical laser weapon also weighs 50 tons. http://www.htpow.com/highquality-500mw-burning-waterproof-red-laser-pointer-p-1067.html In addition, filled with chemical laser chemical boxcar is needed to provide it "gas". But with toxic chemicals into the boxcar theater is very dangerous, a piercing shells can be detonated it. And chemical laser weapon to stop the launch, must be discharged heat of chemical substances, which emit a heat signal is easily monitored by the other side, so that they become a live target. The most powerful red laser weapon http://www.htpow.com/high-powered-30000mw-blue-laserpointer-445nm-worlds-brightest-p-1027.html So China's laser technology and laser weapons in the 30 years after the development of the level of how, how high the level of information technology because of confidentiality and therefore can not be used to analyze the exact data. But the domestic official media for the story of a late national treasure optical experts reported, but let the outside world for the first time surprised by the world's most powerful laser pointer of China in the development of laser weapons. http://www.figure.fm/en/post/57469/Missile+Defense+Agency+s+plan+on+laser+weapon.html http://jimolog.jp/384141/26525

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 02-08-2016 à 10h32

 The power of America Navy. Alerter l'administrateur Recommander à un ami Lien de l'article 

The United States Navy have large amounts of weapons and equipment, and in addition to the conventional guns forces are also in active testing new weapons, such as the 5000mw Laser Pointer cannons. Due to the precise positioning of the target, and no need to carry bulky and difficult to maintain the characteristics of the kind of ammunition, such weapons have been the great importance of the armed forces. http://www.htpow.com/green-5000mw-laser-pointer-cheap-htpow-high-power-green-laser-pointers-starry-5-in-1-focus-adjustable-p-1004.html The United States Navy have large amounts of burning laser weapons and equipment, and in addition to the conventional guns forces are also in active testing new weapons, such as the introduce of laser cannons. Due to the precise positioning of the target, and no need to carry bulky and difficult to maintain the characteristics of the kind of ammunition, such weapons have been the great importance of the armed forces. http://www.htpow.com/ultra-powerful-laser-pointer-blue-10000mw-class-iv-445nm-p-1028.html According to foreign media reports, the U.S. Navy announced that earlier this year, a successful test of a new laser weapon. In its release of the test video, a speed boat was hit by a laser after the explosion of fire. Reported that this weapon can accurately hit the target. The United States Naval Research Office released the video, showing the process of testing the laser weapon system (Laws) in the United States Navy's "Pang," in September of this year. http://www.htpow.com/200mw-green-laser-pointer-pen-532nm-belong-to-cass-llla-p-1003.html In the video, laser weapons were used to combat the test targets, including the speed boats, unmanned aerial vehicles, unmanned aerial vehicles and so on. The speed boat exploded on fire after being hit by a 200mw Green Laser weapon. Major general Clund, head of the United States Naval Research, said the powerful laser weapon system will play a crucial role in future naval operations. Reported that the video prototype weapons cost $40 million, in the "difficult" speed, as well as including sand dust storms, including adverse weather conditions in the environment, with the ability to "almost instantly kill" to destroy the target. Officials say the weapon can destroy its target with high precision. The United States Naval Research Office said the performance of the system is perfect. The United States Navy said the laser weapon is an important tool to protect its fleet, and want to be able to deploy in early 2020s to combat the laser weapon prototype. http://www.htpow.com/laser-beam-dot-sight-htpow-dot-laser-sight-rifle-green-laser-p-1104.html Before the start of director of the office of Naval Research speech said the United States to install Dot Laser Sight Rifle weapons on board test "exceeded all expectations". Russia is also in the development of the relevant, but we set out to develop and manufacture of space-based laser weapons. Of course, this kind of work needs to be concentrated, but it must be carried out in order to be able to work with the United States in this field in the future." Russia is also in the development of the relevant, but we set out to develop and manufacture of space-based laser weapons. Of course, this kind of work needs to be concentrated, but it must be carried out in order to be able to work with the United States in this field in the future." http://www.monkeybargains.com/merchant/htpow/ http://www.lzpazintys.com/blogs_post.php?id=784236

  Aucun commentaire | Ecrire un nouveau commentaire Posté le 21-07-2016 à 13h51


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  Blog créé le 14-07-2016 à 11h28 | Mis à jour le 29-07-2017 à 05h40 | Note : Pas de note