A comprehensive resource for safe and responsible laser use

For additional information visit the LaserPointerForums.com safety forum

For additional information visit the
LaserPointerForums.com safety forum

Concerned about laser pointers? Want them used safely?

Welcome to LaserPointerSafety.com. We are an independent resource for users, regulators, pilots, media, law enforcement and others concerned with handheld portable lasers.

While laser pens are useful and fun, they are all too often misused. This website has details such as…
…and much more information. Check the menu at left or the sitemap page for a list of our many pages.

New:  U.K. government asks for ways to crack down on laser misuse; deadline for comments is October 6

The U.K. government on August 12 2017 issued “a call for evidence into the regulation of laser pointers, including the potential value of retail licensing schemes, advertising restrictions, and potential restrictions on ownership in order to address serious public safety concerns.”

The government is concerned both with hazards from aiming laser pointers at pilots, drivers and train operators, and the potential for retinal damage among consumers when high-powered lasers are aimed into eyes.

They opened a consultation asking for suggestions for eight weeks, starting August 12 and closing at 11:45 pm on October 6 2017. A 23-page Call For Evidence PDF document is posted at the open consultation webpage. It includes background information on laser hazards and misuse.

There are 19 specific questions asked by the government, plus it is possible to respond with free-form text. Persons can respond via an online survey, by postal mail, or by sending an email.

From the UK government press release “Government crackdown on misuse of laser pointers”, the open consultation “Laser pointers: Call for evidence” webpage, and the call for evidence online survey webpage.

2017 U.S. laser illumination reports projected to be less than 2015 and 2016

As of June 30 2017, there have been 2,933 laser illumination incidents reported to the U.S. Federal Aviation Administration. This compares with 3,441 reports in 2016, and 2,692 reports in 2015 over the same Jan. 1 - June 30 time period.

Based on historical data from 2007 through 2016, LaserPointerSafety.com projects that there will be around 7,200 reported incidents in 2017. This compares with 7,442 reports in all of 2016, and 7,703 reports in all of 2015.

Additional detail, plus two data charts, is in a story recently posted to the News/Statistics page.
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Update October 2016: FDA wants to allow only sales of red laser pointers

On October 25 2016, the Food and Drug Administration proposed significant changes to U.S. federal laser pointer laws. Their intent is to designate all laser pointers that are not red as “defective.” This designation would prohibit U.S. sales of green, blue and other non-red pointers and would make it easier for FDA to control and seize imports of such lasers.
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For a detailed description of the proposal, and FDA’s rationale behind this move, see our October 26 2016 news story or this even more detailed 10-page paper presented at the 2017 International Laser Safety Conference.

Laser/aircraft illumination incidents — numbers and stats

See the Laser/aircraft incident statistics page, for charts from various countries, plus links to additional statistics.

Informative charts and videos

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A helicopter being deliberately targeted by a laser pointer. The light is a distraction and, if bright enough, can cause temporary flashblindness. A video of the incident is here.

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Public domain photo from the U.S. FAA, showing how a laser beam spreads over long distances and can fill the windscreen. The FAA’s highest-resolution version is here.

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This diagram shows the hazard distances of a 5 mW green laser pointer. Click to enlarge.

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This diagram shows various ways to help reduce laser pointer incidents. Click to enlarge.

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Click for a 2015 video from the U.S. Food and Drug Administration, about the eye and bright light hazards of laser pointers. Includes tips about safe purchase and use.
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These colorful characters depict “Dumb Ways to Blind”, a 2014 public service video that warns the Internet generation about the many ways lasers can be misused. As of January 2017, this has had over 5.6 million views on YouTube.

Learn from his mistake — don’t aim lasers at aircraft

A California man wrote a letter apologizing for aiming a laser at a sheriff’s helicopter. He describes how it ruined his life:
     I was convicted of one count of aiming a laser pointer at an aircraft and sentenced to 24 months in a federal penitentiary, then 36 more months of supervised release for a total of 60 months — five years — plus ordered to pay a special assessment fee of $10,000. I am very lucky the pilot was an expert and highly skilled at piloting the helicopter.

     I also want to educate anyone who owns a laser and might be inclined to use it the way I did: Learn from my mistake. I am now just getting out of prison. I have paid dearly, for I have lost my girlfriend, my dog, my home, my vehicle. Everything I owned, everything I have worked for 30 years of my life, is gone.

     For shining a laser at a helicopter for three seconds, I lost my entire life. I am now 54 years old and I have no one and nothing but the clothes I was given when I was released from prison.
More details on this unfortunate situation are in an in-depth December 2016 Ars Technica article by Cyrus Farivar, which is summarized here.

See how far lasers can be a hazard

Laser Hazard Distance Calculator
Eye hazard results
( 32.8 / [mrad] ) * ( sqrt ( 0.5 * [mw] ) )
The Nominal Ocular Hazard Distance is where laser light entering the eye is considered safe. (Specifically, at this distance there is “a negligible probability of damage” according to the laser safety standard ANSI Z136.1). Beyond the NOHD, the laser beam irradiance falls below the Maximum Permissible Exposure.
( ( 32.8 / [mrad] ) * ( sqrt ( 0.5 * [mw] ) ) / 3.16 )
At the ED50 distance, there is roughly a 50-50 chance that a fixed laser beam aimed into an unmoving eye under laboratory conditions will cause the smallest medically detectable change to the retina.
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The ED50 distance is about 1/3 of the NOHD. The extra space between the ED50 distance and the NOHD gives an added “safety margin” or “reduction factor.” Beyond the NOHD, the laser light is considered unlikely to cause any eye injury.

Being exposed to laser light within the NOHD does NOT mean that a person will automatically receive an eye injury, or even is likely to have an injury. The NOHD is a “nominal” hazard distance, not an actual hazard distance. The closer the person is to the laser, the greater the chance of an injury, as indicated by the colors above.
Visual interference results
( ( 32.8 / [mrad] ) * ( sqrt ( 12.7 * [mw] * ( [vcf] / 1 ) ) ) )
( ( 32.8 / [mrad] ) * ( sqrt ( 12.7 * [mw] * [vcf] ) ) ) * 4.47
( ( 32.8 / [mrad] ) * ( sqrt ( 12.7 * [mw] * [vcf] ) ) ) * 44.7 0 0 0
For a full-featured laser hazard distance calculator which explains the inputs and the results in detail, click here.

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Why laser beams are less hazardous at greater distances

While laser beams may look thin, they do get wider with distance.

Take for example a laser pointer with a tight 1 milliradian beam. The beam is a millimeter or two in diameter at the exit aperture. At 50 feet (15 m) it has spread to over 1/2 inch (15 mm) in diameter. At 500 feet (150 m) — the height of a hovering helicopter — it has spread to 6 inches (150 mm) across.

A human pupil is about 4-7 mm wide, depending on lighting conditions. If a beam is, say, 150 mm across, then clearly most of the beam power does not go through the pupil.

That’s why a laser beam that can pop balloons or light cigarettes up close, could be eye safe tens or hundreds of feet away.

If the example laser pointer had an output power of 5 milliwatts, the beam would be considered eye safe for momentary exposure (blink or turn away within 1/4 second) after about 50 feet. At 500 feet, even deliberate staring into the beam would not cause an injury.

Now, an eye-safe beam may still be very bright. It could cause temporary flashblindness, or vision-blocking glare, or be a distraction. This would be a hazard to persons such as pilots during critical phases of flight. The second part of the calculator above lists the distances for those visual interference hazards.    

A special message for laser pointer users

There are far too many incidents where airplanes, helicopters, vehicles, athletes and ordinary citizens are harassed by laser pointer beams. It is annoying, at best. It can be unsafe if the beam gets in someone’s eye or if it causes a driver or pilot to be distracted or flashblinded. You personally can get arrested and even jailed.

Plus, laser incidents create a bad image and can lead to laser pointers being banned. This has happened in a number of areas. (In New South Wales, you can be fined for possessing a laser pointer, and you can go to jail for up to 14 years for a laser assault.) There are strong calls in Canada, the U.S., and the U.K. to restrict or ban lasers.

It is really simple: NEVER aim a laser beam at an aircraft, a vehicle, or towards strangers. In other words, DON’T ANNOY PEOPLE WITH THE LASER BEAM.

For more specific information about laser pen hazards and safe use, see the various topics in the menu at left. For a quick summary aimed at consumers, check out the FDA’s December 2010 safety notification.