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2. The 7 Best Laser Levels of 2023, Tested and Reviewed - AOL

   www.aol.com/lifestyle/7-best-laser-levels-2023...

   Hychika Green Laser Level: Another fairly inexpensive option, this laser level wins points for its “very crisp and easy to see” green lines and serious durability, according to our tester ...

3. Laser level - Wikipedia

   en.wikipedia.org/wiki/Laser_level

   A rotary laser level set up and used to level sand fill in trenches. The graduated staff is leaning on the pile of sand. In surveying and construction, the laser level is a control tool consisting of a rotating laser beam projector that can be affixed to a tripod. The tool is leveled according to the accuracy of the device and projects a fixed ...

4. Laser-induced fluorescence - Wikipedia

   en.wikipedia.org/wiki/Laser-induced_fluorescence

   Laser-induced fluorescence. Laser-induced fluorescence ( LIF) or laser-stimulated fluorescence ( LSF) [1] is a spectroscopic method in which an atom or molecule is excited to a higher energy level by the absorption of laser light followed by spontaneous emission of light. [2] [3] It was first reported by Zare and coworkers in 1968.

5. Laser line level - Wikipedia

   en.wikipedia.org/wiki/Laser_line_level

   A laser line level is a tool combining a spirit level and/or plumb bob with a laser to display an accurately horizontal or vertical illuminated line on a surface the laser line level is laid against. Laser line levels are used wherever accurate verticals and horizontals are required, typically in the construction and cabinetry industries. Some ...

6. Ultrafast laser spectroscopy - Wikipedia

   en.wikipedia.org/wiki/Ultrafast_laser_spectroscopy

   Ultrafast laser spectroscopy is a category of spectroscopic techniques using ultrashort pulse lasers for the study of dynamics on extremely short time scales (attoseconds to nanoseconds). Different methods are used to examine the dynamics of charge carriers, atoms, and molecules.

7. Ruby laser - Wikipedia

   en.wikipedia.org/wiki/Ruby_laser

   Ruby is one of the few solid state lasers that produce light in the visible range of the spectrum, lasing at 694.3 nanometers, in a deep red color, with a very narrow linewidth of 0.53 nm. [3] The ruby laser is a three level solid state laser. The active laser medium (laser gain/ amplification medium) is a synthetic ruby rod that is energized ...