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Old 07-20-2010, 10:25 PM #1
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Question Star Cap Laser Safety

Hello All, I am new to the forum. I recently became interested in lasers after returning from a festival where many people were carrying around 50mW lasers (red & green) fitted with star caps being sold as "Galaxy Wands" by a company called Mystik Toyz. Upon returning home, I discovered this forum and was shocked to find that 50mV lasers present a significant danger to the eye. However, people at this festival were firing them at each other willy nilly (I was hit myself by a few) and I saw no one suffer any sort of eye problems from this. Which brings me to my question: does firing a laser through a star cap split the energy of a laser into the individual beams, thereby making the individual beams weaker and safer, or does a star cap merely split the beam into many equally powerful beams. I am currently awaiting the arrival of a 30mW green laser with 5 star caps and would like to know the dangers of using them before I show the laser to my friends.


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Old 07-21-2010, 09:26 AM #2
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Default Re: Star Cap Laser Safety

Quote:
Originally Posted by Moofian View Post
Hello All, I am new to the forum. I recently became interested in lasers after returning from a festival where many people were carrying around 50mW lasers (red & green) fitted with star caps being sold as "Galaxy Wands" by a company called Mystik Toyz. Upon returning home, I discovered this forum and was shocked to find that 50mV lasers present a significant danger to the eye. However, people at this festival were firing them at each other willy nilly (I was hit myself by a few) and I saw no one suffer any sort of eye problems from this. Which brings me to my question: does firing a laser through a star cap split the energy of a laser into the individual beams, thereby making the individual beams weaker and safer, or does a star cap merely split the beam into many equally powerful beams. I am currently awaiting the arrival of a 30mW green laser with 5 star caps and would like to know the dangers of using them before I show the laser to my friends.
As long as the star cap is on I can't see it being too harmful. The 30mw beam is split into like 50 <1mw beams all over the place.
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Old 07-21-2010, 11:34 PM #3
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Default Re: Star Cap Laser Safety

Thank you for the information. I suspected that was the case, but the consequences for being wrong in this situation would have been tragic.
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