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The concept of a laser level has been around since at least the early 1970s, [2] the original spinning-mirror design laser plane and line level was patented by the late 1980s, [3] and the compact lens-based laser line level (as produced by many tool manufacturers today) was patented in the late 1990s. It was invented by Oscar Soliz in the late ...
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 ...
ANSI Z136.8 – Safe Use of Lasers in Research, Development, or Testing; Provides guidance for the safe use of lasers and laser systems found in research, development, or testing environments, where safety controls common for commercial lasers may either be missing or disabled. [16] ANSI Z136.9 – Safe Use of Lasers in Manufacturing Environments
Pricier than its red laser cousin the GLL30, but more powerful into the bargain, this compact laser level will provide as much guidance as most DIY enthusiasts need, with the advantage of brighter ...
Laser material is radioactive. Once demonstrated in use at LLNL in 1987, room temperature 4 level lasing in 147 Pm doped into a lead-indium-phosphate glass étalon. Chromium-doped chrysoberyl (alexandrite) laser Typically tuned in the range of 700 to 820 nm Flashlamp, laser diode, mercury arc (for CW mode operation)
Topcon Positioning Systems Inc., provides positioning technology for surveyors, civil engineers, construction contractors, equipment owners and operators. Topcon Corporation acquired Advanced Grade Technology in 1995 and became known as Topcon Laser Systems.