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2. 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 ...

3. Laser linewidth - Wikipedia

   en.wikipedia.org/wiki/Laser_linewidth

   Laser linewidth from high-power high-gain pulsed laser oscillators, comprising line narrowing optics, is a function of the geometrical and dispersive features of the laser cavity. [29] To a first approximation the laser linewidth, in an optimized cavity, is directly proportional to the beam divergence of the emission multiplied by the inverse ...

4. Distributed-feedback laser - Wikipedia

   en.wikipedia.org/wiki/Distributed-feedback_laser

   A distributed-feedback laser (DFB) is a type of laser diode, quantum-cascade laser or optical-fiber laser where the active region of the device contains a periodically structured element or diffraction grating. The structure builds a one-dimensional interference grating (Bragg scattering), and the grating provides optical feedback for the

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 equipment of the Royal Danish Army - Wikipedia

   en.wikipedia.org/wiki/List_of_equipment_of_the...

   With visible laser, ... but there are still 15.000 in storage for the total defense to a level where it was questioned in Folketinget [169] ... 7.62×51mm NATO:

7. L9A1 51 mm light mortar - Wikipedia

   en.wikipedia.org/wiki/L9A1_51_mm_Light_Mortar

   The L9A1 51 mm light mortar was a man-portable platoon-level mortar used by the British Army from 1988 to 2007. The 51 mm mortar replaced the World War II -vintage 2-inch mortar in the late 1980s. It was due to be phased out by the use of the 40 mm L17A2 underslung grenade launcher (UGL) mounted on the L85A2 service rifle; however, operational ...