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Red Beam Laser

why laser beam contains red and green light only?

recently i went to a cultural show and they featured laser show in it and i can view only red and green light. why is that?

There's a simple answer to this: that's what can be manufactured. Making a laser is a rather complicated task and making any color is anything but trivial. There are a few colors we can make very well. Red, green, and a few colors of infrared (invisible to the human eye). We can make other colors, but we can not make them inexpensively nor with much power. For a laser show, you need both inexpensive lasers and powerful ones. To make a blue laser that was powerful enough to work in a laser show would cost hundreds of thousands of dollars, if not more. So powerful lasers at other colors are basically only used in research labs where there is a need for them and money to buy them.

30MW RED Beam Laser pointer $9.37 30mw,red laser.

New Ultra Powerful Red Laser Pen Pointer Beam LED Light $29.01 New Ultra Powerful Red Laser Pen Pointer Beam LED Light

Ultra Powerful Red Laser Pen Pointer Beam Led Light 5mW $4.2 Ultra Powerful Red Laser Pen Pointer Beam Led Light

New Powerful Red Laser Pointer Pen Beam Light 5mW $131 Ultra Powerful Red Laser Pointer Pen Beam Light 5mW. 100% brand new and high quality

Pistol Shaped Lighter with Red Laser Beam (Copper) $5.09 Overview:Pistol Shaped Lighter with Red Laser Beam (Copper)The lighter is easy to use.A designed good looking lighter.Also a good decoration combining the using of lighter.Bring more fun to your life.Refillable lighter takes regular lighter gas.Great ideo for gift. Nice, interesting model Specification:Weight Approx:93gSize Approx:11 x 10 x 1.8 cm

Pistol Shaped Lighter with Red Laser Beam (Silver) $4.29 Overview:Pistol Shaped Lighter with Red Laser Beam (Silver)The lighter is easy to use.A designed good looking lighter.Also a good decoration combining the using of lighter.Bring more fun to your life.Refillable lighter takes regular lighter gas.Great ideo for gift. Nice, interesting model Specification:Weight Approx:65gSize Approx:7.9 x 6 x 1.7 cm

Pistol Shaped Lighter with Red Laser Beam (Golden) $4.29 Overview:Pistol Shaped Lighter with Red Laser Beam (Golden)The lighter is easy to use.A designed good looking lighter.Also a good decoration combining the using of lighter.Bring more fun to your life.Refillable lighter takes regular lighter gas.Great ideo for gift. Nice, interesting model Specification:Weight Approx:65gSize Approx:7.9 x 6 x 1.7 cm

500mw red Laser Pointer ,blue Laser Pointer ,Green Laser Pointer 532nm 1x16340 Green Laser green laser pen green laser torch $36.84 532nm 1x16340 red Laser ,blue Laser ,Green Laser ,Green Laser pointer /high power green laser pointer pen/green beam laser

Ultra Powerful Red Laser Pointer Pen Beam Light 5mW $3.99 Laser Pointer Pen point to the target instead of hands with the laser Powered by two AAA batteries Laser light color:Red

Powerful Red Laser Point Pointer Beam Light Pen Blue $6.2 Attention German buyers: we cannot ship this item to the GermanyDescription:Powerful Red Laser Point Pointer Beam Light Pen Blue.This Powerful Laser Pen perfect for teachers, students, engineers, doctors, managers and more.Design with clip, can hold it in pockets or clip on notebooks.Lightweight and handy, suitable for put in your pocket or handbags.Use the Red Laser Pointer to point at any desired targets on projection screens, video monitors, and presentation graphics.Metal body with polished finish - Portable Laser Point Pen is comfortable grip.Clip Laser Pointer powered by 2 AAA batteries (not included).Cautions: Avoid direct eye exposure to laser beam.Press button for ON / OFF.Laser color: Red laser.Output Mode: Constant Wave.Size: ~5 1/2" x 1/2"(L*D).Weight: 22.9g.Package content:1 x Clip Laser Pointer.

OmniSistem MAGIC BOX WIDE BEAM Laser Effect - Red $269 The MAGIC BOX WIDE BEAM Laser Effect with its red diode gives you serious laser performance and 45 preset laser geometric patterns/effects, including a liquid sky, tunnel, and cloud for soaking in your audience. It's an ideal solution for mobile DJs and small-to-medium size clubs and discos. It works with DMX-512 (1 channel), stand alone, and master/slave modes.

Omnisistem Magic Box Wide Beam Laser Effect - Red $269 The MAGIC BOX WIDE BEAM Laser Effect with its red diode gives you serious laser performance and 45 preset laser geometric patterns/effects, including a liquid sky, tunnel, and cloud for soaking in your audience. It's an ideal solution for mobile DJs and small-to-medium size clubs and discos. It works with DMX-512 (1 channel), stand alone, and master/slave modes.Power: 117V/60HzControl:DMX-512 (1 Channels)Stand alone (sound active, auto)M/S (sound active, auto)Laser diode:532nm x 10mW red diodeNo variance requiredMetal housing

Khet Eye of Horus Laser Beam Splitter 2-Pack $11.95 You've already been captivated by Khet, the innovative laser-beam strategy game. Now you can add a whole new dimension to the game with the Eye of Horus Beam Splitter expansion pack. It contains two beam-spliting game pieces, one silver and one red, that have a semi-transparent mirrored coating, which reflects half the light that hits it and transmits the other half. An incoming laser beam gets split in two! With both game pieces in play, a beam can be split twice -- once by one piece and then again by the other piece -- blasting three beams around the board with one push of your laser button! Suddenly there are more ways to zap your opponent's pharaoh, but more ways for him to zap yours too -- so watch out! Each expansion pack comes with a full-color booklet including brand new starting setups and an explanation of the science of beam-splitting. High-tech strategy doubles with a single blink of the Eye of Horus -- as does your fun!

Black Red Laser Sight With Universal Barrel Mount $29.99 Product Features: All Aluminum Construction 635-655nm Red Laser Beam

Black Red Laser Sight With Trigger Guard Mount $29.99 Product Features: All Aluminum Construction 635-655nm Red Laser Beam

Pistol Shaped Windproof Lighter with Red Laser Beam $3.99 Overview:Pistol Shaped Windproof Lighter with Red Laser BeamThe lighter is easy to use.A designed good looking lighter.Also a good decoration combining the using of lighter.Bring more fun to your life.Refillable lighter takes regular lighter gas.Great ideo for gift. Nice, interesting model of pistal and windproof lighter.Specification:Weight Approx:82gSize Approx:8.8 x 7 x 1.5 cm

Venue Fat Beam Laser Pack $399.99 Venue FAT BEAM LASER PACK

Dynamite With A Laser Beam: Queen As Heard $11.99 Dynamite With A Laser Beam: Queen As Heard

LS650 Red laser Sight $24.94 The brilliant red beam of the laser sight finds your target quickly and precisely. Cables with momentary pressure pads that allow you to activate the laser with push button ease, are also included.

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Blur Soundtrack15 - Hexstatic - Red Laser Beam

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