Green Laser
is this possible to use green laser except the red laser light to do the experiments?
in the lab generally we are doing the expts by using the red colour laser light.then why we are not uning the green colour light or some other colours? what are the disadvantages of it?
It is possible to get pure 532nm green color laser for experiments , but what experiments are you going to do ??? I am the first time to hear .
Just when you want to buy with your supplier , you need to ask them install a spare part , IR-proof accessory , then you can get more than 95% pure 532nm , of course this part need to add some money separately .
Because normal green laser usually contain invisible IR wave .
Astronomy Laser Pointers – Green Laser Pointers for Astronomy
High power green laser pointers are becoming more and more popular for use in astronomy. Whether you are star-gazing with your astronomy club buddies or conducting an astronomy lecture outdoors, there is nothing more frustrating than unsuccessfully trying to identifying a star or constellation in the sky. Before portable lasers were available, the only ways were to either point to it with your index finger or describe the approximate position verbally. With new technology comes new hope for astronomers worldwide! By using a high power laser pointer, it is now possible to aim a visible laser beam virtually touching the star or constellation you want to point out. The era of astronomy laser pointers is here.
Green Laser Pointers for Astronomy
Green laser pointers are considerably brighter than all other visible color lasers because the human eye is most sensitive to the color green. At the same output power, a green portable laser will appear much brighter than either a yellow, blue or red laser. When we speak of the term “astronomy laser pointer,” it is most often associated with a green laser pointer.
Telescope Alignment with a Laser Pointer
Green laser pointers are not only useful for pointing out stars and constellations, it has other uses in astronomy as well. You can mount a green portable laser onto a telescope using its factory provided brackets (make sure to align the laser parallel to the telescope). If brackets are not available, you can just hold the laser down using your hands. A green laser pointer mounted on a telescope can make aligning the telescope to objects in the sky much faster and easier.
Power Output
Green laser pointers come in a variety of power output ranging from 1mW to 500mW. Which one is suitable for astronomy? More specifically, which is most suitable for your needs? What power output should you choose?
1) A 5mW green laser pointer has a bright laser end “spot”. The actual laser beam is only faintly visible. These are more suitable for presentation purposes and not astronomy.
2) A 15mW – 75mW green laser pointers emit a bright laser beam making them a good choice for astronomy.
3) At 95mW – 150mW, the green beam is even brighter offering extreme brightness, visibility and distance.
4) As you increase in power output, the laser beam will become brighter and more solid in color. The best suggestions if you are looking for an astronomy laser is to purchase something you are comfortable with paying.
5) SKYlasers offers power adjustable lasers where you can adjust the power output between a high-power and low-power setting.
Warning
Do not point any laser pointer devices at any flying aircrafts in the sky; it is a very serious offense in most countries.
About the Author
Learn more about SKYlasers laser pointer or more specifically, our high power green laser pointers.
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$650 Burning Green Laser Contest!
