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2. DJ lighting - Wikipedia

   en.wikipedia.org/wiki/DJ_lighting

   With the technology of halogen lamps improving, the 80s and early 90s saw a new breed of DJ light starting to evolve. This was a projection-style DJ light that used a halogen lamp and a mirror to reflect the light. A halogen lamp shines onto a mirror via a filter gel sheet to create the color and sometimes via a gobo wheel to create shapes. In ...

3. Laser lighting display - Wikipedia

   en.wikipedia.org/wiki/Laser_lighting_display

   A laser lighting display or laser light show involves the use of laser light to entertain an audience. A laser light show may consist only of projected laser beams set to music , or may accompany another form of entertainment , typically musical performances.

4. CD player - Wikipedia

   en.wikipedia.org/wiki/CD_player

   The tracking mechanism moves the lens system along the spiral tracks in which information is encoded, and the lens assembly reads the information using a laser beam produced by a laser diode. The laser reads information by focusing a beam on the CD, which is reflected off the disc's mirrored surface back to a photodiode array sensor. The sensor ...

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. List of laser types - Wikipedia

   en.wikipedia.org/wiki/List_of_laser_types

   Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).

7. Powerlight Technologies - Wikipedia

   en.wikipedia.org/wiki/Powerlight_Technologies

   The electrical-to-optical conversion efficiency of modern laser technology can be as high as 85%, [8] and off-the-shelf semiconductor diode lasers can have an output efficiency of around 50%. [9] The optical-to-electrical conversion efficiency of a photovoltaic receiver can be over 50% for monochromatic (or laser) light. [10]