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created on 07/17/2015  |  http://fubar.com/-/b363911

How does powerful laser light affect the eyes?

 

50mw Green Laser Pointer may be inexpensive to buy, but there's fun in making your own. A homemade laser pointer will work as well as one from a store and give you a sense of accomplishment every time you see the laser beam. The process of making a homemade laser is not complicated and just requires buying a laser module and an LED flashlight.

Twist the AixiZ laser pointer 300mw housing between your hands to separate the front and back casings from each other. Discard the front casing of the AixiZ laser housing. Heat up the soldering iron. Take the back section of the AixiZ laser housing that has the exposed laser diode now showing and place it down on the towel.

Solder a conductive pin each to the positive and to the negative contacts on the body of the laser diode. Let the solder cool.Insert the back half of the AixiZ laser housing, conductive pins first, into the LED flashlight. Apply a thin layer of bonding glue to hold the AixiZ 100mw green laser housing to the inside of the LED flashlight. Let the bonding glue dry.

Screw the reflector back onto the LED flashlight. Put the batteries back into the LED flashlight and screw on the battery cap.Aim the LED flashlight that has now been turned into a homemade laser pointer at a wall across the street. Press the button to project the Red laser pointer 5mW 3in1 light onto the wall.

How does laser light affect the eyes?

Several variables change how the eye is affected. Power level of the laser, duration of exposure, and the wavelength of the light all impact the negative affects of laser light on the eye. Green laser light is also far more damaging than red laser light, appearing 30 times brighter to the human eye. According to the FAA, most incidents involve handheld green laser pointers.

 

Laser Sights for Handguns

 

Boeing explains that visible laser light is magnified once it enters the optical system, targeting the retina of the eye. The mildest form of laser light causes glares that temporarily impair a pilot’s vision, and at long distances this is usually just an annoyance. However, when the light is stronger or the pilot is flying closer to the source, this annoyance escalates into the inability to see landmarks and even the instrument panel right in front of them. Strong light can also cause flash blindness, which causes the pilot to lose their vision for a brief period of time ranging from few seconds to a few minutes.

Afterimages often occur from very strong laser light exposure, resulting in colored dots appearing in front of a pilot’s eyes for a brief time. Serious retinal damage is a possibility if the pilot is exposed to very powerful laser lights in close proximity. This causes burned retinal tissue, resulting in permanent blind spots in a pilot’s vision.

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High Power Laser Pointer Blue can cause flash blindness

A helicopter used by the sheriff’s office was struck by a Green 1mW Laser Pointer pen on Sept. 18 and 26 in Antioch and Nov. 1 in Pittsburg, sheriff’s officials said today. The three separate incidents all resulted in an arrest of individuals.Sheriff’s officials did not provide these suspects’ identities.In each case, the suspects were pinpointed using the helicopter’s infrared and mapping technology, sheriff’s officials said. Local police then responded to the locations and arrested the suspects.

Discharging a Laser Sights for Handguns at an aircraft is considered a federal crime, sheriff’s officials said. It can result in up to three years in prison or a $2,000 fine for offenders.Sheriff’s officials said it creates a dangerous situation for pilots, who can become disoriented and lose their night vision for several minutes after being struck by a laser.

“Discharging a Laser 50000mw at an aircraft not only poses a danger to the those onboard the helicopter, but also those on the ground,” Lt. Jose Beltran of the sheriff’s office’s air support unit said in a statement.

Laser pointers at one time were primarily used for presentation purposes in boardrooms and classrooms, they are now wildly available at trinket shops, flea markets, retailers and on the Internet, and are much more powerful. According to the FDA, laser pointers can be momentarily hazardous when staring directly at the beam. For pilots, these Laser Pointer Blue 30000mw can cause flash blindness, a temporary or permanent loss of vision when the light-sensitive parts of the eye are exposed to an intensity of light they are not physically meant to handle. 

 

Laser Pointer Blue 30000mw

In addition, research suggests green lasers are more dangerous to the eye than red lasers because the light spectrum is more easily absorbed by the retina and more susceptible to damage. In fact, green lasers are considered to be more than double the strength of other colored lasers and can travel for miles, according to many media reports and health and aviation experts. 

Schumer there are certain types of lasers for which manufacturers must obtain FDA permission before they can be sold in the U.S., and green lasers should be included in that category so they are only sold to professionals, rather than would-be pranksters.

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Laser Sights for Handguns are the latest product

The series of laser pointer Mini 5mW Red will be on display at the ANZCOP Conference in Adelaide, South Australia from Nov 29-Dec 3rd, 2015.

The following link has further information about the conference, being held at the University of Adelaide.

Lastek, an Adelaide based laser and optics company, will have a booth at the conference, with samples of the laser module to demonstrate. Representatives from Lastek will be there to answer any questions from interested parties who attend.

The series of Laser Sights for Handguns are the latest product developed by Technologies.

Unscrew the two halves of the laser module with your fingers. Remove the laser diode assembly from out of the back half of the laser module using the needle-nosed pliers. Place the laser diode assembly down on the beach towel.

Insert the two pins of the CD 50mw Green Laser into the two holes in the laser diode assembly. Solder a conductive pin each to the two contacts on the bottom of the laser diode assembly. Let the solder cool for a minute or two.

Place the laser diode assembly back into the back half of the laser module, taking care that the two conductive pins go cleanly through the hole in the bottom of the back half of the laser module.

Insert the back half of the Green 1mW Laser Pointer pen into the flashlight, conductive pins first. Put the retaining ring back onto the flashlight. Screw the reflector back onto the flashlight.

Apply silicone paste around the laser diode assembly so that it is held firmly inside of the flashlight and against the sides of the reflector. Let the silicone paste set for 10 minutes.

 

 

 

Laser Sights for Handguns

Put the batteries back into the flashlight. Put the battery cap back on the flashlight. Aim the laser pointer you have made using the laser diode from a CD player at a far wall. Press the flashlight’s “On” button to project a beam of laser light on the wall.

Applications:

Aiming, Pointing & Industrial Alignment
Dimensional Scanning
Machine Vision
Inspection
Fluorescence
Illumination
Imaging

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Consumer Laser 50000mw products include classesⅣ

Previously, the FDA has noted concern about the increased availability of some laser products. According to a March 2013 study by the National Institute of Standards and Technology (NIST), Green 1mW Laser Pointer pen generate green light from infrared light, from which the eye cannot protect itself. In that NIST report, the agency noted that ideally, the device should be designed and manufactured to confine the infrared light within the laser housing. However, according to the NIST results, more than 75 percent of the devices tested emitted infrared light in excess of the Code of Federal Regulations (CFR) limit.

Schumer said in New York incidents of green lasers pointed at aircraft have been numerous and significant. In addition to the most recent one in Jamestown, there were 39 Laser Sights for Handguns incidents between January 1, 2015 and May 15, 2015 in New York City alone. In 2014, there were 17 green laser incidents out of a total 19 laser incidents at JFK airport; 37 green laser incidents out of a total 41 laser incidents at LaGuardia Airport; 20 green laser incidents out of a total 28 at Newark.

There are four major hazard classes (I to IV) of lasers, including three subclasses (IIa, IIIa, IIIb). The higher the class, the more powerful the laser. Consumer Laser 50000mw products include classes I, II and IIIa and lasers for professional use may be in classes IIIb and IV. Laser pointers are included in Class IIIa. The FDA requires warning labels on most laser products, including the power output and the hazard class of the product. Some lasers are strictly for use by medical, industrial or entertainment professionals and can only be used by a person with a license and training.

On condition that users are making use of the most advanced 445nm blue laser diode as its cross line laser source, it can always ensure much more stable and reliable laser beam emission than 473nm blue Laser Pointer Blue 30000mw . Although this crosshair laser gets wide output power up 50mW, however, it can still ensure its quite stable cross line generation as expected. In continuous cross line positioning works, laser tech engineers always pay high attention to its thermal stabilization, thus always making sure of constant power supply for its internal laser diode.

 

Laser Pointer Blue 30000mw

 

In order to get high efficiency thermal emission performance, laser tech engineer just takes no consideration of formal air or water cool, but just selects metal heat sink as its cooling system. Among all available cooling systems, metal heat sink always gets at least 5 times brighter laser beam emission. When users are taking full consideration of proper size laser tube diameter of 16mm and 26mm, this advanced cross laser alignment tool always gets the most efficient cooling down of internal part of 445nm blue laser diode and electric driving circuit.

Because the FDA has the authority to regulate these lasers and their manufacturers, Schumer is strongly urging the federal agency to make high-powered, green laser pointers unavailable for public sale; they should be restricted to those with a ‎specific professional purpose. Schumer said that while perpetrators convicted of pointing a laser at a plane can be sentenced to 20 years in prison and a $250,000 fine, they are often hard to track down following an incident. Because the products are merely required to have a warning label, Schumer said more must be done to limit public availability in order to protect public health and safety.

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HTPOW Green laser pointer drives birds is best for you.

 

Green laser pointer is a very popular laser targeting which is widely applied for a wide variety of working fields. Although it is extremely dangerous for users once it is pointed on aircraft at night, however, it is still very applicable for presentation in special working fields. A low powered Class IIIa green laser pointer is always making great work by workers in airport for bird driving. Usually a low powered 5mW green laser pointer is enough to get ideal result.

There are a wide selection of visible lasers, however, only green laser pointer is always a very useful tool for bird driving. 532nm laser wavelength stands the middle part of visible laser spectrums, which gets the most sensitive color green laser light to human eyes. Although users are making selection of low power green laser, however, it is always efficient enough to get the most visible and the brightest green laser beam to human eyes.

green laser pointer drives birds
Comparing with other visible lasers, 532nm green laser pointer gets the special laser beam transverse mode of TEM00. It gets the most sensitive color light to human eyes. On basis of this special laser specification, it always generates a high brightness green laser beam. Once exact working distance extends, green laser beam diameter becomes larger. As a result, when it is pointed into sky, it just forms into a laser beam with certain diameter. When green laser beam is pointed onto the body of birds, a green laser pointer seems like a highly visible laser weapon, thus getting perfect result of bird driving. It is just a super nice bird driving system widely used in all airports efficiently.

On November 24 2015, Sen. Chuck Schumer (D-NY) called for the U.S. Food and Drug Administration to “establish new regulations that would prevent individuals from obtaining green lasers for non-professional use.” This would include Class IIIa, IIIb and IV lasers, meaning any green laser with an output 1 milliwatt or more.

Administration (FDA) to ban the sale of high-powered, long-range green laser pointers to the public. Schumer’s push comes on the heels of multiple incidents in which green lasers were pointed at aircraft and temporarily blinded and disoriented pilots mid-flight. This includes the recent incident two weeks ago when the pilot of a FedEx plane flying over Jamestown reported a green beam of light coming from a laser on the ground lighting up the aircraft. Schumer said that while it is lucky no one was harmed in the Jamestown incident or any other green laser attack, the federal government should act before a horrific event occurs, not after.

Simply put: these green, long-range, high-powered laser pointers are a danger to our pilots and the hundreds of passengers whose lives depend on their eyesight and training. While we are very lucky the recent incident in Jamestown did not yield devastating results, we cannot sit idly by and wait for a horrific incident to occur before we act,” said Schumer.

 

 

 

Your presentation skills will be greatly improved when you decide to use presenter with Green 1mW Laser Pointer pen to deliver your presentation. You will have the power of a small portable handheld presenter with laser pointer in the palm of your hand, the power of controlling your presentation rest with you when you use presenters. You will have the ability to seamlessly change page or pages of your presentation at the push of a button. With the built-in laser pointer you may use the laser light beam to direct the attention of the audience to key points of the presentation easily highlighting and clarifying without obscuring the visual from anywhere in the auditorium.

presenter with Laser Sight works best with power point, word documents and other computer software programs. No longer will you require providing handouts for referencing of key points your audience would be able to easily follow along; you would now be able to make memorable and interesting presentation.

presenters with Laser 50000mw are the best tools to use for educational and business presentations or any other presentation for that matter.
Because we are a small Online based laser supplies stores we do not have expensive operating costs; resulting in savings which are passed to you, allowing us to offer the very best remote control presenter with laser pointer presentation tools at cheap discounted sale prices.

A laser pointer is a single colored, unified wavelength beam of light -- where individual beams come together as one -- that focuses on one small spot. The term “laser” is actually an acronym meaning “light amplification by stimulated emission of radiation.” Laser Blue 30000mw come in red, orange, green and violet. Red laser pointers are the most common and least expensive of the laser pointers, simply because the visual wavelength is weaker than that of the other colors. They are a favorite in classrooms, boardrooms and any other venue that requires pointing out an object. Of course there’s also the living room and the family pet, but there are also some cool experiments you can try with a red laser pointer that would make a great science fair or class project.

 

 

Laser Pointer Blue 30000mw

With a clear bowl and some red and yellow Jell-O, you can see how light changes directions (refraction) when passing through one medium to another. Make the red Jell-O first. Wait for it to become solid, then make the yellow Jell-O on top of it. Experiment with the red laser pen by shining it into the Jell-O at different angles. Notice how when shining it from the bottom, the light bends slightly (refracts) when it passes through the two layers of Jell-O. Mist the air around the Jell-O using a water spray bottle to expose the beam as it leaves the Jell-O and you will see that the beam bends even more.

Experiment with the beam to find the critical angle. At this angle, the laser beam trying to leave the Jell-O will refract at such a sharp angle that it actually bends back into the Jell-O.

http://bloggers.nl/buylaserpointer/1108472/+Green+1mW+Laser+Pointer+pen+to+deliver+your+presentation.html

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http://blog.livedoor.jp/buylaserpointer/archives/1046736127.html

 

 

With the intense and long distance visible inexperienced Laser Pointer Blue 30000mw beam, high output power green laser pointer also can also be functional as a handy survival tool in forest, out of doors activities. The intense beam will unfold miles far, and other people will use the laser pointer as a rescue signal in emergencies. The signal is well visible to aircraft and different parties each in the dark and through daytime even in extreme distance. At an equivalent time, high powered laser pointers have begun to be applied in trade.

For example, construction corporations could use high power 100mw laser pointer  to reinforce the accuracy of showing specific distances. It's terribly useful whereas functioning on massive scale comes. The long distance visible beam of inexperienced laser pointer is extremely helpful in measurement, accuracy of project, which is taken into account as an ideal gadget of your time saving and high operating potency.

Comparing with lasers with same output power, the Nether series inexperienced 50mw Green Laser Pointer is far additional powerful and brighter than its actual output power. The sunshine is adjusted by screwing the top circle of the laser to create the sunshine spot tinniest within the shortest time. The adjustable focus green laser pointer is featured by its adjustable focus which might adjust the laser gadget within the paramount condition consistent.

Technical Parameters : Wavelength 532nm, Output power 300mW, Laser category category III, Divergence ~1.5mRad,Beam mode TEMoo, Beam diameter at aperture ~1.5 mm, Crystal kind Nd:VYO4:KTP, Power supply 1×CR123A Li battery, Operating time w/ new batteries -1hr. looking on model, Housing material Brass, coated, Expected Lifetime >8000hours, Warranty amount One year.

Our goals include:
Educating the public to never aim 5mW laser pointer at aircraft.
Providing background material for the press, regulators and legislators.
Helping manufacturers make safer lasers, and better inform their customers.
Making suggestions for all parties -- users, manufacturers, pilots, regulators -- on how to reduce incidents and improve safety.
Finding reasonable, practical solutions for laser misuse issues.

Laser Sight

The website’s author has over three decades of experience with laser technology and 1mw Laser Pointer safety, especially in the area of laser/aircraft issues:Patrick Murphy holds a B.A. degree in Laser Art and Technology from Oberlin College (1981) and an MBA degree from the Keller Graduate School of Management (2006). In 1986 he founded Pangolin Laser Systems, which became a leader in the field of software for laser light shows and displays. He served as President of the International Laser Display Association (ILDA) during 1996, was Airspace Issues Coordinator for ILDA from 1996 to 1999, and has served as executive director of ILDA since 2006.

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http://blogs.dotnethell.it/buylaserpointer/Aircraft-pilots-shot-by-300mw-laser-pointer__19922.aspx

 

A law that promises up to five years of prison time for someone aiming a Laser Pointer 50000mw at an aircraft was unanimously passed by the Judiciary Committee of the US House of Representatives.

"It's only a matter of time before one of these laser-beam-pranksters ends up killing over 200 people in a commercial airline crash," said the bill抯 author, Ric Keller, a Republican congressman from Orlando, Florida. Although the Securing Airplane Cockpits Against Laser Pointer Blue 30000mw Act still has a long path of head of it before it becomes law, the arguments made by Keller greatly exaggerate the danger posed by laser pointers.

In a speech supporting his bill, Keller said "These easily available pen-sized 100mw laser pointer , like the one I purchased here for $12 at the House of Representatives Office Supply Store, have enough power to cause vision problems in pilots from a distance of two miles.

The skin and other tissues of all patients and all personnel present in the laser room must be protected from unintended exposure to the laser beam.

Flammability is a potential laser hazard associated with most high power systems, but only rarely in the use of low power or diffuse beams. Many flammable products are used routinely in clinical procedures, and the LSO, as well as the everyone on the laser team, must continually assess products and devices in use in the 50mw Green Laser Pointer target site, for compatibility with the beam, and potential hazards. These items may include: dry or non-woven fabrics, plastic, rubber, solutions containing alcohol, tape removers, skin degreasers, foam devices, and skin preparation solutions.

 

Laser Sight

 

 

Solutions that contain iodophors, (Hibiclens, Betadine, etc.) must be thoroughly dry before firing the Cat Chasing Laser Pointer, as heat can cause a chemical burn to the skin if it interacts with wet solution. All of these, as well as many other products, can become a fire hazard, when exposed to the heat produced by a high intensity laser beam.

The common 5.0 milliwatt laser pointer is classified as a "distraction" by safety officials at distances of 3,000 feet (less than two miles), and in the worst case scenario (at a distance of 300 feet) is considered to be a temporary visual nuisance, similar to the glare from an oncoming car's headlights or the flash from a point-and-shoot camera. Although pilots should never be the target of a laser pointer.

Focusable Cat Chasing Laser Pointer are very much in use these days. All kinds of laser pointers are shown on internet in different kinds of sites so that you can check all the details before you purchase a laser pointer for yourself. So go get yourself nice stylish laser pointers to point at things and to party.

However, remember don't ever misuse it. A violet Laser Pointer Green 1000mw will be a nice choice for all the things you need to do with the laser.In order to get high quality fiber testing in all kinds of working fields, fiber optic detector is always equipped with universal acceptable ST, SC, FC fiber optic connector. In front part of fiber testing 650nm red laser pen, it is always equipped with pulse mode and continuous wavelength mode laser beam emitting methods.

According to simple press of on/off button, fiber tester can make free adjustment of Class IIIa Green Laser Pointer beam emitting mode, thus always getting high efficiency fiber testing in all occasions.Most often used in the military, laser sights are said to be important specifically for missions in dim light. They help its user to clearly make an aim on the opponent despite the absence of light.

These 50mw Green Laser Pointer Pen sights are also useful devices that can help hunters, precision shooters and fighters in accomplishing their different tasks because of the laser’s outstanding performance in places with less brightness. There are two colors available currently, the green and the red laser sights.

These sights were first launched in the late part of the 80’s. They were usually attached to weapons parallel to the barrel which gives an accurate direction of where the bullet would go. Most of what was initially produced was the Laser Sights for Handguns .

 

Laser Sight

Available with portable pen style design, in all kind of fiber optic detection work, fiber optic detector always allows free adjustment, easy carry and easy operation. Even though sometimes users are required to make continuous fiber testing, only after users are making proper adjustment of CW laser beam emission mode, it begins to generate continuous red laser beam, thus always making sure of high efficiency fiber optic test for all occasions efficiently. This fiber testing red laser pen is always an ideal choice for all kinds of fiber onsite construction works.

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Though Cat Chasing Laser Pointer are not so expensive it is always better to go for the reasonably priced ones because you can be sure to get good quality and high performance. If you are looking for god quality laser pens that will last you a long time then you should visit dinodirect.com/pure-green-laser-pointer-pen-532nm-50mw-flashlight-handheld.html. This Firedragon-VII 532nm 50mw flashlight handheld green laser pen with its certified power guaranteed is a handy tool to have no matter which field of work you are in.

There are various types of functional Class IIIa Green Laser Pointer you can select from. The Ultra fire WF- 501B laser pointers are some of the most popular type. They have been produced using the latest and most advanced technology. This has resulted to its high performance and effectiveness.

Some of the unique features linked to these types of laser pointers include the fact that it has been made with one of the best type of material. This is the aluminum alloy material. This material is known for its strong nature thereby making anything including the Laser Pointer Green 1000mw produced by this material to be quite durable. It can last for a very long time regardless of how often you use your laser pointers.

Most 50mw Green Laser Pointer Pen have in the past used Automatic Current Control (ACC) - a constant current driver. The result is generally fluctuations in output power as the pointer heats up. These may be quite large and result in either a very dim spot or an excessive and illegal super bright beam. The trend now is to use an APC driver to eliminate variability and also make it harder to "boost" the output to an illegal and dangerous power level.

Laser Sight

Life expectancy and warranty: Sometimes there will be a spec like "2,000 hour lifetime". This is probably mostly relevant for the expensive green laser pointers and may be reasonable. Certainly, anything over 1,000 hours is adequate for a pointer used as a Laser Sights for Handguns within one's (human) lifetime (or until it becomes obsolete). However, any lifetime claim isn't of much value unless there is an enforceable warranty!

The shape and size of a pointer is determined largely by the type of battery used. The tiniest red pointers use button cells like the one shown in Components of Simplest Red Laser Pointer. Long thin pointers (red or green) use a pair of AAA Alkaline cells like the one shown in Components of Typical Green Laser Pointer. The fat squat type shown in Components of Edmunds Scientific L54-101 Green Laser Pointer uses a CR2 lithium cell. Whether aesthetics determines the battery design choice or vice-versa is anyone's guess.

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http://buylaserpointer.cms4people.de/_blog/2015/11/03/-safety-laser-pointer-light-has-the-following-properties/

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